First version of the newly restructured repository

21 files changed, 12280 insertions, 0 deletions

diff --git a/frontend/gamma/js/MochiKit/Async.js b/frontend/gamma/js/MochiKit/Async.js
new file mode 100644
index 0000000..c7408e7
--- a/dev/null
+++ b/frontend/gamma/js/MochiKit/Async.js
@@ -0,0 +1,640 @@
+/***
+
+MochiKit.Async 1.5
+
+See <http://mochikit.com/> for documentation, downloads, license, etc.
+
+(c) 2005 Bob Ippolito.  All rights Reserved.
+
+***/
+
+MochiKit.Base._module('Async', '1.5', ['Base']);
+
+/** @id MochiKit.Async.Deferred */
+MochiKit.Async.Deferred = function (/* optional */ canceller) {
+    this.chain = [];
+    this.id = this._nextId();
+    this.fired = -1;
+    this.paused = 0;
+    this.results = [null, null];
+    this.canceller = canceller;
+    this.silentlyCancelled = false;
+    this.chained = false;
+};
+
+MochiKit.Async.Deferred.prototype = {
+    /** @id MochiKit.Async.Deferred.prototype.repr */
+    repr: function () {
+        var state;
+        if (this.fired == -1) {
+            state = 'unfired';
+        } else if (this.fired === 0) {
+            state = 'success';
+        } else {
+            state = 'error';
+        }
+        return 'Deferred(' + this.id + ', ' + state + ')';
+    },
+
+    toString: MochiKit.Base.forwardCall("repr"),
+
+    _nextId: MochiKit.Base.counter(),
+
+    /** @id MochiKit.Async.Deferred.prototype.cancel */
+    cancel: function () {
+        var self = MochiKit.Async;
+        if (this.fired == -1) {
+            if (this.canceller) {
+                this.canceller(this);
+            } else {
+                this.silentlyCancelled = true;
+            }
+            if (this.fired == -1) {
+                this.errback(new self.CancelledError(this));
+            }
+        } else if ((this.fired === 0) && (this.results[0] instanceof self.Deferred)) {
+            this.results[0].cancel();
+        }
+    },
+
+    _resback: function (res) {
+        /***
+
+        The primitive that means either callback or errback
+
+        ***/
+        this.fired = ((res instanceof Error) ? 1 : 0);
+        this.results[this.fired] = res;
+        this._fire();
+    },
+
+    _check: function () {
+        if (this.fired != -1) {
+            if (!this.silentlyCancelled) {
+                throw new MochiKit.Async.AlreadyCalledError(this);
+            }
+            this.silentlyCancelled = false;
+            return;
+        }
+    },
+
+    /** @id MochiKit.Async.Deferred.prototype.callback */
+    callback: function (res) {
+        this._check();
+        if (res instanceof MochiKit.Async.Deferred) {
+            throw new Error("Deferred instances can only be chained if they are the result of a callback");
+        }
+        this._resback(res);
+    },
+
+    /** @id MochiKit.Async.Deferred.prototype.errback */
+    errback: function (res) {
+        this._check();
+        var self = MochiKit.Async;
+        if (res instanceof self.Deferred) {
+            throw new Error("Deferred instances can only be chained if they are the result of a callback");
+        }
+        if (!(res instanceof Error)) {
+            res = new self.GenericError(res);
+        }
+        this._resback(res);
+    },
+
+    /** @id MochiKit.Async.Deferred.prototype.addBoth */
+    addBoth: function (fn) {
+        if (arguments.length > 1) {
+            fn = MochiKit.Base.partial.apply(null, arguments);
+        }
+        return this.addCallbacks(fn, fn);
+    },
+
+    /** @id MochiKit.Async.Deferred.prototype.addCallback */
+    addCallback: function (fn) {
+        if (arguments.length > 1) {
+            fn = MochiKit.Base.partial.apply(null, arguments);
+        }
+        return this.addCallbacks(fn, null);
+    },
+
+    /** @id MochiKit.Async.Deferred.prototype.addErrback */
+    addErrback: function (fn) {
+        if (arguments.length > 1) {
+            fn = MochiKit.Base.partial.apply(null, arguments);
+        }
+        return this.addCallbacks(null, fn);
+    },
+
+    /** @id MochiKit.Async.Deferred.prototype.addCallbacks */
+    addCallbacks: function (cb, eb) {
+        if (this.chained) {
+            throw new Error("Chained Deferreds can not be re-used");
+        }
+        this.chain.push([cb, eb]);
+        if (this.fired >= 0) {
+            this._fire();
+        }
+        return this;
+    },
+
+    _fire: function () {
+        /***
+
+        Used internally to exhaust the callback sequence when a result
+        is available.
+
+        ***/
+        var chain = this.chain;
+        var fired = this.fired;
+        var res = this.results[fired];
+        var self = this;
+        var cb = null;
+        while (chain.length > 0 && this.paused === 0) {
+            // Array
+            var pair = chain.shift();
+            var f = pair[fired];
+            if (f === null) {
+                continue;
+            }
+            try {
+                res = f(res);
+                fired = ((res instanceof Error) ? 1 : 0);
+                if (res instanceof MochiKit.Async.Deferred) {
+                    cb = function (res) {
+                        self._resback(res);
+                        self.paused--;
+                        if ((self.paused === 0) && (self.fired >= 0)) {
+                            self._fire();
+                        }
+                    };
+                    this.paused++;
+                }
+            } catch (err) {
+                fired = 1;
+                if (!(err instanceof Error)) {
+                    err = new MochiKit.Async.GenericError(err);
+                }
+                res = err;
+            }
+        }
+        this.fired = fired;
+        this.results[fired] = res;
+        if (cb && this.paused) {
+            // this is for "tail recursion" in case the dependent deferred
+            // is already fired
+            res.addBoth(cb);
+            res.chained = true;
+        }
+    }
+};
+
+MochiKit.Base.update(MochiKit.Async, {
+    /** @id MochiKit.Async.evalJSONRequest */
+    evalJSONRequest: function (req) {
+        return MochiKit.Base.evalJSON(req.responseText);
+    },
+
+    /** @id MochiKit.Async.succeed */
+    succeed: function (/* optional */result) {
+        var d = new MochiKit.Async.Deferred();
+        d.callback.apply(d, arguments);
+        return d;
+    },
+
+    /** @id MochiKit.Async.fail */
+    fail: function (/* optional */result) {
+        var d = new MochiKit.Async.Deferred();
+        d.errback.apply(d, arguments);
+        return d;
+    },
+
+    /** @id MochiKit.Async.getXMLHttpRequest */
+    getXMLHttpRequest: function () {
+        var self = arguments.callee;
+        if (!self.XMLHttpRequest) {
+            var tryThese = [
+                function () { return new XMLHttpRequest(); },
+                function () { return new ActiveXObject('Msxml2.XMLHTTP'); },
+                function () { return new ActiveXObject('Microsoft.XMLHTTP'); },
+                function () { return new ActiveXObject('Msxml2.XMLHTTP.4.0'); },
+                function () {
+                    throw new MochiKit.Async.BrowserComplianceError("Browser does not support XMLHttpRequest");
+                }
+            ];
+            for (var i = 0; i < tryThese.length; i++) {
+                var func = tryThese[i];
+                try {
+                    self.XMLHttpRequest = func;
+                    return func();
+                } catch (e) {
+                    // pass
+                }
+            }
+        }
+        return self.XMLHttpRequest();
+    },
+
+    _xhr_onreadystatechange: function (d) {
+        // MochiKit.Logging.logDebug('this.readyState', this.readyState);
+        var m = MochiKit.Base;
+        if (this.readyState == 4) {
+            // IE SUCKS
+            try {
+                this.onreadystatechange = null;
+            } catch (e) {
+                try {
+                    this.onreadystatechange = m.noop;
+                } catch (e) {
+                }
+            }
+            var status = null;
+            try {
+                status = this.status;
+                if (!status && m.isNotEmpty(this.responseText)) {
+                    // 0 or undefined seems to mean cached or local
+                    status = 304;
+                }
+            } catch (e) {
+                // pass
+                // MochiKit.Logging.logDebug('error getting status?', repr(items(e)));
+            }
+            // 200 is OK, 201 is CREATED, 204 is NO CONTENT
+            // 304 is NOT MODIFIED, 1223 is apparently a bug in IE
+            if (status == 200 || status == 201 || status == 204 ||
+                    status == 304 || status == 1223) {
+                d.callback(this);
+            } else {
+                var err = new MochiKit.Async.XMLHttpRequestError(this, "Request failed");
+                if (err.number) {
+                    // XXX: This seems to happen on page change
+                    d.errback(err);
+                } else {
+                    // XXX: this seems to happen when the server is unreachable
+                    d.errback(err);
+                }
+            }
+        }
+    },
+
+    _xhr_canceller: function (req) {
+        // IE SUCKS
+        try {
+            req.onreadystatechange = null;
+        } catch (e) {
+            try {
+                req.onreadystatechange = MochiKit.Base.noop;
+            } catch (e) {
+            }
+        }
+        req.abort();
+    },
+
+
+    /** @id MochiKit.Async.sendXMLHttpRequest */
+    sendXMLHttpRequest: function (req, /* optional */ sendContent) {
+        if (typeof(sendContent) == "undefined" || sendContent === null) {
+            sendContent = "";
+        }
+
+        var m = MochiKit.Base;
+        var self = MochiKit.Async;
+        var d = new self.Deferred(m.partial(self._xhr_canceller, req));
+
+        try {
+            req.onreadystatechange = m.bind(self._xhr_onreadystatechange,
+                req, d);
+            req.send(sendContent);
+        } catch (e) {
+            try {
+                req.onreadystatechange = null;
+            } catch (ignore) {
+                // pass
+            }
+            d.errback(e);
+        }
+
+        return d;
+
+    },
+
+    /** @id MochiKit.Async.doXHR */
+    doXHR: function (url, opts) {
+        /*
+            Work around a Firefox bug by dealing with XHR during
+            the next event loop iteration. Maybe it's this one:
+            https://bugzilla.mozilla.org/show_bug.cgi?id=249843
+        */
+        var self = MochiKit.Async;
+        return self.callLater(0, self._doXHR, url, opts);
+    },
+
+    _doXHR: function (url, opts) {
+        var m = MochiKit.Base;
+        opts = m.update({
+            method: 'GET',
+            sendContent: ''
+            /*
+            queryString: undefined,
+            username: undefined,
+            password: undefined,
+            headers: undefined,
+            mimeType: undefined
+            */
+        }, opts);
+        var self = MochiKit.Async;
+        var req = self.getXMLHttpRequest();
+        if (opts.queryString) {
+            var qs = m.queryString(opts.queryString);
+            if (qs) {
+                url += "?" + qs;
+            }
+        }
+        // Safari will send undefined:undefined, so we have to check.
+        // We can't use apply, since the function is native.
+        if ('username' in opts) {
+            req.open(opts.method, url, true, opts.username, opts.password);
+        } else {
+            req.open(opts.method, url, true);
+        }
+        if (req.overrideMimeType && opts.mimeType) {
+            req.overrideMimeType(opts.mimeType);
+        }
+        req.setRequestHeader("X-Requested-With", "XMLHttpRequest");
+        if (opts.headers) {
+            var headers = opts.headers;
+            if (!m.isArrayLike(headers)) {
+                headers = m.items(headers);
+            }
+            for (var i = 0; i < headers.length; i++) {
+                var header = headers[i];
+                var name = header[0];
+                var value = header[1];
+                req.setRequestHeader(name, value);
+            }
+        }
+        return self.sendXMLHttpRequest(req, opts.sendContent);
+    },
+
+    _buildURL: function (url/*, ...*/) {
+        if (arguments.length > 1) {
+            var m = MochiKit.Base;
+            var qs = m.queryString.apply(null, m.extend(null, arguments, 1));
+            if (qs) {
+                return url + "?" + qs;
+            }
+        }
+        return url;
+    },
+
+    /** @id MochiKit.Async.doSimpleXMLHttpRequest */
+    doSimpleXMLHttpRequest: function (url/*, ...*/) {
+        var self = MochiKit.Async;
+        url = self._buildURL.apply(self, arguments);
+        return self.doXHR(url);
+    },
+
+    /** @id MochiKit.Async.loadJSONDoc */
+    loadJSONDoc: function (url/*, ...*/) {
+        var self = MochiKit.Async;
+        url = self._buildURL.apply(self, arguments);
+        var d = self.doXHR(url, {
+            'mimeType': 'text/plain',
+            'headers': [['Accept', 'application/json']]
+        });
+        d = d.addCallback(self.evalJSONRequest);
+        return d;
+    },
+
+    /** @id MochiKit.Async.wait */
+    wait: function (seconds, /* optional */value) {
+        var d = new MochiKit.Async.Deferred();
+        var m = MochiKit.Base;
+        if (typeof(value) != 'undefined') {
+            d.addCallback(function () { return value; });
+        }
+        var timeout = setTimeout(
+            m.bind("callback", d),
+            Math.floor(seconds * 1000));
+        d.canceller = function () {
+            try {
+                clearTimeout(timeout);
+            } catch (e) {
+                // pass
+            }
+        };
+        return d;
+    },
+
+    /** @id MochiKit.Async.callLater */
+    callLater: function (seconds, func) {
+        var m = MochiKit.Base;
+        var pfunc = m.partial.apply(m, m.extend(null, arguments, 1));
+        return MochiKit.Async.wait(seconds).addCallback(
+            function (res) { return pfunc(); }
+        );
+    }
+});
+
+
+/** @id MochiKit.Async.DeferredLock */
+MochiKit.Async.DeferredLock = function () {
+    this.waiting = [];
+    this.locked = false;
+    this.id = this._nextId();
+};
+
+MochiKit.Async.DeferredLock.prototype = {
+    __class__: MochiKit.Async.DeferredLock,
+    /** @id MochiKit.Async.DeferredLock.prototype.acquire */
+    acquire: function () {
+        var d = new MochiKit.Async.Deferred();
+        if (this.locked) {
+            this.waiting.push(d);
+        } else {
+            this.locked = true;
+            d.callback(this);
+        }
+        return d;
+    },
+    /** @id MochiKit.Async.DeferredLock.prototype.release */
+    release: function () {
+        if (!this.locked) {
+            throw TypeError("Tried to release an unlocked DeferredLock");
+        }
+        this.locked = false;
+        if (this.waiting.length > 0) {
+            this.locked = true;
+            this.waiting.shift().callback(this);
+        }
+    },
+    _nextId: MochiKit.Base.counter(),
+    repr: function () {
+        var state;
+        if (this.locked) {
+            state = 'locked, ' + this.waiting.length + ' waiting';
+        } else {
+            state = 'unlocked';
+        }
+        return 'DeferredLock(' + this.id + ', ' + state + ')';
+    },
+    toString: MochiKit.Base.forwardCall("repr")
+
+};
+
+/** @id MochiKit.Async.DeferredList */
+MochiKit.Async.DeferredList = function (list, /* optional */fireOnOneCallback, fireOnOneErrback, consumeErrors, canceller) {
+
+    // call parent constructor
+    MochiKit.Async.Deferred.apply(this, [canceller]);
+
+    this.list = list;
+    var resultList = [];
+    this.resultList = resultList;
+
+    this.finishedCount = 0;
+    this.fireOnOneCallback = fireOnOneCallback;
+    this.fireOnOneErrback = fireOnOneErrback;
+    this.consumeErrors = consumeErrors;
+
+    var cb = MochiKit.Base.bind(this._cbDeferred, this);
+    for (var i = 0; i < list.length; i++) {
+        var d = list[i];
+        resultList.push(undefined);
+        d.addCallback(cb, i, true);
+        d.addErrback(cb, i, false);
+    }
+
+    if (list.length === 0 && !fireOnOneCallback) {
+        this.callback(this.resultList);
+    }
+
+};
+
+MochiKit.Async.DeferredList.prototype = new MochiKit.Async.Deferred();
+
+MochiKit.Async.DeferredList.prototype._cbDeferred = function (index, succeeded, result) {
+    this.resultList[index] = [succeeded, result];
+    this.finishedCount += 1;
+    if (this.fired == -1) {
+        if (succeeded && this.fireOnOneCallback) {
+            this.callback([index, result]);
+        } else if (!succeeded && this.fireOnOneErrback) {
+            this.errback(result);
+        } else if (this.finishedCount == this.list.length) {
+            this.callback(this.resultList);
+        }
+    }
+    if (!succeeded && this.consumeErrors) {
+        result = null;
+    }
+    return result;
+};
+
+/** @id MochiKit.Async.gatherResults */
+MochiKit.Async.gatherResults = function (deferredList) {
+    var d = new MochiKit.Async.DeferredList(deferredList, false, true, false);
+    d.addCallback(function (results) {
+        var ret = [];
+        for (var i = 0; i < results.length; i++) {
+            ret.push(results[i][1]);
+        }
+        return ret;
+    });
+    return d;
+};
+
+/** @id MochiKit.Async.maybeDeferred */
+MochiKit.Async.maybeDeferred = function (func) {
+    var self = MochiKit.Async;
+    var result;
+    try {
+        var r = func.apply(null, MochiKit.Base.extend([], arguments, 1));
+        if (r instanceof self.Deferred) {
+            result = r;
+        } else if (r instanceof Error) {
+            result = self.fail(r);
+        } else {
+            result = self.succeed(r);
+        }
+    } catch (e) {
+        result = self.fail(e);
+    }
+    return result;
+};
+
+
+MochiKit.Async.__new__ = function () {
+    var m = MochiKit.Base;
+    var ne = m.partial(m._newNamedError, this);
+
+    ne("AlreadyCalledError",
+        /** @id MochiKit.Async.AlreadyCalledError */
+        function (deferred) {
+            /***
+
+            Raised by the Deferred if callback or errback happens
+            after it was already fired.
+
+            ***/
+            this.deferred = deferred;
+        }
+    );
+
+    ne("CancelledError",
+        /** @id MochiKit.Async.CancelledError */
+        function (deferred) {
+            /***
+
+            Raised by the Deferred cancellation mechanism.
+
+            ***/
+            this.deferred = deferred;
+        }
+    );
+
+    ne("BrowserComplianceError",
+        /** @id MochiKit.Async.BrowserComplianceError */
+        function (msg) {
+            /***
+
+            Raised when the JavaScript runtime is not capable of performing
+            the given function.  Technically, this should really never be
+            raised because a non-conforming JavaScript runtime probably
+            isn't going to support exceptions in the first place.
+
+            ***/
+            this.message = msg;
+        }
+    );
+
+    ne("GenericError",
+        /** @id MochiKit.Async.GenericError */
+        function (msg) {
+            this.message = msg;
+        }
+    );
+
+    ne("XMLHttpRequestError",
+        /** @id MochiKit.Async.XMLHttpRequestError */
+        function (req, msg) {
+            /***
+
+            Raised when an XMLHttpRequest does not complete for any reason.
+
+            ***/
+            this.req = req;
+            this.message = msg;
+            try {
+                // Strange but true that this can raise in some cases.
+                this.number = req.status;
+            } catch (e) {
+                // pass
+            }
+        }
+    );
+
+    m.nameFunctions(this);
+};
+
+MochiKit.Async.__new__();
+
+MochiKit.Base._exportSymbols(this, MochiKit.Async);
diff --git a/frontend/gamma/js/MochiKit/Base.js b/frontend/gamma/js/MochiKit/Base.js
new file mode 100644
index 0000000..d33c269
--- a/dev/null
+++ b/frontend/gamma/js/MochiKit/Base.js
@@ -0,0 +1,1452 @@
+/***
+
+MochiKit.Base 1.5
+
+See <http://mochikit.com/> for documentation, downloads, license, etc.
+
+(c) 2005 Bob Ippolito.  All rights Reserved.
+
+***/
+
+if (typeof(MochiKit) == 'undefined') {
+    MochiKit = {};
+}
+if (typeof(MochiKit.__export__) == "undefined") {
+    MochiKit.__export__ = true;
+}
+if (typeof(MochiKit.Base) == 'undefined') {
+    MochiKit.Base = {};
+}
+
+/**
+ * Registers a new MochiKit module. This function will insert a new
+ * property into the "MochiKit" object, making sure that all
+ * dependency modules have already been inserted. It will also make
+ * sure that the appropriate properties and default module functions
+ * are defined.
+ *
+ * @param {String} name the module name, e.g. "Base"
+ * @param {String} version the module version, e.g. "1.5"
+ * @param {Array} deps the array of module dependencies (as strings)
+ */
+MochiKit.Base._module = function (name, version, deps) {
+    if (!(name in MochiKit)) {
+        MochiKit[name] = {};
+    }
+    var module = MochiKit[name];
+    module.NAME = "MochiKit." + name;
+    module.VERSION = version;
+    module.__repr__ = function () {
+        return "[" + this.NAME + " " + this.VERSION + "]";
+    };
+    module.toString = function () {
+        return this.__repr__();
+    };
+    for (var i = 0; i < deps.length; i++) {
+        if (!(deps[i] in MochiKit)) {
+            throw 'MochiKit.' + name + ' depends on MochiKit.' + deps[i] + '!';
+        }
+    }
+}
+
+MochiKit.Base._module("Base", "1.5", []);
+
+/** @id MochiKit.Base.update */
+MochiKit.Base.update = function (self, obj/*, ... */) {
+    if (self === null || self === undefined) {
+        self = {};
+    }
+    for (var i = 1; i < arguments.length; i++) {
+        var o = arguments[i];
+        if (typeof(o) != 'undefined' && o !== null) {
+            for (var k in o) {
+                self[k] = o[k];
+            }
+        }
+    }
+    return self;
+};
+
+MochiKit.Base.update(MochiKit.Base, {
+    /** @id MochiKit.Base.camelize */
+    camelize: function (selector) {
+        /* from dojo.style.toCamelCase */
+        var arr = selector.split('-');
+        var cc = arr[0];
+        for (var i = 1; i < arr.length; i++) {
+            cc += arr[i].charAt(0).toUpperCase() + arr[i].substring(1);
+        }
+        return cc;
+    },
+
+    /** @id MochiKit.Base.counter */
+    counter: function (n/* = 1 */) {
+        if (arguments.length === 0) {
+            n = 1;
+        }
+        return function () {
+            return n++;
+        };
+    },
+
+    /** @id MochiKit.Base.clone */
+    clone: function (obj) {
+        var me = arguments.callee;
+        if (arguments.length == 1) {
+            me.prototype = obj;
+            return new me();
+        }
+    },
+    
+    _flattenArray: function (res, lst) {
+        for (var i = 0; i < lst.length; i++) {
+            var o = lst[i];
+            if (o instanceof Array) {
+                arguments.callee(res, o);
+            } else {
+                res.push(o);
+            }
+        }
+        return res;
+    },
+
+    /** @id MochiKit.Base.flattenArray */
+    flattenArray: function (lst) {
+        return MochiKit.Base._flattenArray([], lst);
+    },
+
+    /** @id MochiKit.Base.flattenArguments */
+    flattenArguments: function (lst/* ...*/) {
+        var res = [];
+        var m = MochiKit.Base;
+        var args = m.extend(null, arguments);
+        while (args.length) {
+            var o = args.shift();
+            if (o && typeof(o) == "object" && typeof(o.length) == "number") {
+                for (var i = o.length - 1; i >= 0; i--) {
+                    args.unshift(o[i]);
+                }
+            } else {
+                res.push(o);
+            }
+        }
+        return res;
+    },
+
+    /** @id MochiKit.Base.extend */
+    extend: function (self, obj, /* optional */skip) {
+        // Extend an array with an array-like object starting
+        // from the skip index
+        if (!skip) {
+            skip = 0;
+        }
+        if (obj) {
+            // allow iterable fall-through, but skip the full isArrayLike
+            // check for speed, this is called often.
+            var l = obj.length;
+            if (typeof(l) != 'number' /* !isArrayLike(obj) */) {
+                if (typeof(MochiKit.Iter) != "undefined") {
+                    obj = MochiKit.Iter.list(obj);
+                    l = obj.length;
+                } else {
+                    throw new TypeError("Argument not an array-like and MochiKit.Iter not present");
+                }
+            }
+            if (!self) {
+                self = [];
+            }
+            for (var i = skip; i < l; i++) {
+                self.push(obj[i]);
+            }
+        }
+        // This mutates, but it's convenient to return because
+        // it's often used like a constructor when turning some
+        // ghetto array-like to a real array
+        return self;
+    },
+
+
+    /** @id MochiKit.Base.updatetree */
+    updatetree: function (self, obj/*, ...*/) {
+        if (self === null || self === undefined) {
+            self = {};
+        }
+        for (var i = 1; i < arguments.length; i++) {
+            var o = arguments[i];
+            if (typeof(o) != 'undefined' && o !== null) {
+                for (var k in o) {
+                    var v = o[k];
+                    if (typeof(self[k]) == 'object' && typeof(v) == 'object') {
+                        arguments.callee(self[k], v);
+                    } else {
+                        self[k] = v;
+                    }
+                }
+            }
+        }
+        return self;
+    },
+
+    /** @id MochiKit.Base.setdefault */
+    setdefault: function (self, obj/*, ...*/) {
+        if (self === null || self === undefined) {
+            self = {};
+        }
+        for (var i = 1; i < arguments.length; i++) {
+            var o = arguments[i];
+            for (var k in o) {
+                if (!(k in self)) {
+                    self[k] = o[k];
+                }
+            }
+        }
+        return self;
+    },
+
+    /** @id MochiKit.Base.keys */
+    keys: function (obj) {
+        var rval = [];
+        for (var prop in obj) {
+            rval.push(prop);
+        }
+        return rval;
+    },
+
+    /** @id MochiKit.Base.values */
+    values: function (obj) {
+        var rval = [];
+        for (var prop in obj) {
+            rval.push(obj[prop]);
+        }
+        return rval;
+    },
+
+     /** @id MochiKit.Base.items */
+    items: function (obj) {
+        var rval = [];
+        var e;
+        for (var prop in obj) {
+            var v;
+            try {
+                v = obj[prop];
+            } catch (e) {
+                continue;
+            }
+            rval.push([prop, v]);
+        }
+        return rval;
+    },
+
+
+    _newNamedError: function (module, name, func) {
+        func.prototype = new MochiKit.Base.NamedError(module.NAME + "." + name);
+        module[name] = func;
+    },
+
+
+    /** @id MochiKit.Base.operator */
+    operator: {
+        // unary logic operators
+        /** @id MochiKit.Base.truth */
+        truth: function (a) { return !!a; },
+        /** @id MochiKit.Base.lognot */
+        lognot: function (a) { return !a; },
+        /** @id MochiKit.Base.identity */
+        identity: function (a) { return a; },
+
+        // bitwise unary operators
+        /** @id MochiKit.Base.not */
+        not: function (a) { return ~a; },
+        /** @id MochiKit.Base.neg */
+        neg: function (a) { return -a; },
+
+        // binary operators
+        /** @id MochiKit.Base.add */
+        add: function (a, b) { return a + b; },
+        /** @id MochiKit.Base.sub */
+        sub: function (a, b) { return a - b; },
+        /** @id MochiKit.Base.div */
+        div: function (a, b) { return a / b; },
+        /** @id MochiKit.Base.mod */
+        mod: function (a, b) { return a % b; },
+        /** @id MochiKit.Base.mul */
+        mul: function (a, b) { return a * b; },
+
+        // bitwise binary operators
+        /** @id MochiKit.Base.and */
+        and: function (a, b) { return a & b; },
+        /** @id MochiKit.Base.or */
+        or: function (a, b) { return a | b; },
+        /** @id MochiKit.Base.xor */
+        xor: function (a, b) { return a ^ b; },
+        /** @id MochiKit.Base.lshift */
+        lshift: function (a, b) { return a << b; },
+        /** @id MochiKit.Base.rshift */
+        rshift: function (a, b) { return a >> b; },
+        /** @id MochiKit.Base.zrshift */
+        zrshift: function (a, b) { return a >>> b; },
+
+        // near-worthless built-in comparators
+        /** @id MochiKit.Base.eq */
+        eq: function (a, b) { return a == b; },
+        /** @id MochiKit.Base.ne */
+        ne: function (a, b) { return a != b; },
+        /** @id MochiKit.Base.gt */
+        gt: function (a, b) { return a > b; },
+        /** @id MochiKit.Base.ge */
+        ge: function (a, b) { return a >= b; },
+        /** @id MochiKit.Base.lt */
+        lt: function (a, b) { return a < b; },
+        /** @id MochiKit.Base.le */
+        le: function (a, b) { return a <= b; },
+
+        // strict built-in comparators
+        seq: function (a, b) { return a === b; },
+        sne: function (a, b) { return a !== b; },
+
+        // compare comparators
+        /** @id MochiKit.Base.ceq */
+        ceq: function (a, b) { return MochiKit.Base.compare(a, b) === 0; },
+        /** @id MochiKit.Base.cne */
+        cne: function (a, b) { return MochiKit.Base.compare(a, b) !== 0; },
+        /** @id MochiKit.Base.cgt */
+        cgt: function (a, b) { return MochiKit.Base.compare(a, b) == 1; },
+        /** @id MochiKit.Base.cge */
+        cge: function (a, b) { return MochiKit.Base.compare(a, b) != -1; },
+        /** @id MochiKit.Base.clt */
+        clt: function (a, b) { return MochiKit.Base.compare(a, b) == -1; },
+        /** @id MochiKit.Base.cle */
+        cle: function (a, b) { return MochiKit.Base.compare(a, b) != 1; },
+
+        // binary logical operators
+        /** @id MochiKit.Base.logand */
+        logand: function (a, b) { return a && b; },
+        /** @id MochiKit.Base.logor */
+        logor: function (a, b) { return a || b; },
+        /** @id MochiKit.Base.contains */
+        contains: function (a, b) { return b in a; }
+    },
+
+    /** @id MochiKit.Base.forwardCall */
+    forwardCall: function (func) {
+        return function () {
+            return this[func].apply(this, arguments);
+        };
+    },
+
+    /** @id MochiKit.Base.itemgetter */
+    itemgetter: function (func) {
+        return function (arg) {
+            return arg[func];
+        };
+    },
+
+    /** @id MochiKit.Base.bool */
+    bool: function (value) {
+        if (typeof(value) === "boolean" || value instanceof Boolean) {
+            return value.valueOf();
+        } else if (typeof(value) === "string" || value instanceof String) {
+            return value.length > 0 && value != "false" && value != "null" &&
+                   value != "undefined" && value != "0";
+        } else if (typeof(value) === "number" || value instanceof Number) {
+            return !isNaN(value) && value != 0;
+        } else if (value != null && typeof(value.length) === "number") {
+            return value.length !== 0
+        } else {
+            return value != null;
+        }
+    },
+
+    /** @id MochiKit.Base.typeMatcher */
+    typeMatcher: function (/* typ */) {
+        var types = {};
+        for (var i = 0; i < arguments.length; i++) {
+            var typ = arguments[i];
+            types[typ] = typ;
+        }
+        return function () {
+            for (var i = 0; i < arguments.length; i++) {
+                if (!(typeof(arguments[i]) in types)) {
+                    return false;
+                }
+            }
+            return true;
+        };
+    },
+
+    /** @id MochiKit.Base.isNull */
+    isNull: function (/* ... */) {
+        for (var i = 0; i < arguments.length; i++) {
+            if (arguments[i] !== null) {
+                return false;
+            }
+        }
+        return true;
+    },
+
+    /** @id MochiKit.Base.isUndefinedOrNull */
+    isUndefinedOrNull: function (/* ... */) {
+        for (var i = 0; i < arguments.length; i++) {
+            var o = arguments[i];
+            if (!(typeof(o) == 'undefined' || o === null)) {
+                return false;
+            }
+        }
+        return true;
+    },
+
+    /** @id MochiKit.Base.isEmpty */
+    isEmpty: function (obj) {
+        return !MochiKit.Base.isNotEmpty.apply(this, arguments);
+    },
+
+    /** @id MochiKit.Base.isNotEmpty */
+    isNotEmpty: function (obj) {
+        for (var i = 0; i < arguments.length; i++) {
+            var o = arguments[i];
+            if (!(o && o.length)) {
+                return false;
+            }
+        }
+        return true;
+    },
+
+    /** @id MochiKit.Base.isArrayLike */
+    isArrayLike: function () {
+        for (var i = 0; i < arguments.length; i++) {
+            var o = arguments[i];
+            var typ = typeof(o);
+            if (
+                (typ != 'object' && !(typ == 'function' && typeof(o.item) == 'function')) ||
+                o === null ||
+                typeof(o.length) != 'number' ||
+                o.nodeType === 3 ||
+                o.nodeType === 4
+            ) {
+                return false;
+            }
+        }
+        return true;
+    },
+
+    /** @id MochiKit.Base.isDateLike */
+    isDateLike: function () {
+        for (var i = 0; i < arguments.length; i++) {
+            var o = arguments[i];
+            if (typeof(o) != "object" || o === null
+                    || typeof(o.getTime) != 'function') {
+                return false;
+            }
+        }
+        return true;
+    },
+
+
+    /** @id MochiKit.Base.xmap */
+    xmap: function (fn/*, obj... */) {
+        if (fn === null) {
+            return MochiKit.Base.extend(null, arguments, 1);
+        }
+        var rval = [];
+        for (var i = 1; i < arguments.length; i++) {
+            rval.push(fn(arguments[i]));
+        }
+        return rval;
+    },
+
+    /** @id MochiKit.Base.map */
+    map: function (fn, lst/*, lst... */) {
+        var m = MochiKit.Base;
+        var itr = MochiKit.Iter;
+        var isArrayLike = m.isArrayLike;
+        if (arguments.length <= 2) {
+            // allow an iterable to be passed
+            if (!isArrayLike(lst)) {
+                if (itr) {
+                    // fast path for map(null, iterable)
+                    lst = itr.list(lst);
+                    if (fn === null) {
+                        return lst;
+                    }
+                } else {
+                    throw new TypeError("Argument not an array-like and MochiKit.Iter not present");
+                }
+            }
+            // fast path for map(null, lst)
+            if (fn === null) {
+                return m.extend(null, lst);
+            }
+            // disabled fast path for map(fn, lst)
+            /*
+            if (false && typeof(Array.prototype.map) == 'function') {
+                // Mozilla fast-path
+                return Array.prototype.map.call(lst, fn);
+            }
+            */
+            var rval = [];
+            for (var i = 0; i < lst.length; i++) {
+                rval.push(fn(lst[i]));
+            }
+            return rval;
+        } else {
+            // default for map(null, ...) is zip(...)
+            if (fn === null) {
+                fn = Array;
+            }
+            var length = null;
+            for (var i = 1; i < arguments.length; i++) {
+                // allow iterables to be passed
+                if (!isArrayLike(arguments[i])) {
+                    if (itr) {
+                        return itr.list(itr.imap.apply(null, arguments));
+                    } else {
+                        throw new TypeError("Argument not an array-like and MochiKit.Iter not present");
+                    }
+                }
+                // find the minimum length
+                var l = arguments[i].length;
+                if (length === null || length > l) {
+                    length = l;
+                }
+            }
+            rval = [];
+            for (var i = 0; i < length; i++) {
+                var args = [];
+                for (var j = 1; j < arguments.length; j++) {
+                    args.push(arguments[j][i]);
+                }
+                rval.push(fn.apply(this, args));
+            }
+            return rval;
+        }
+    },
+
+    /** @id MochiKit.Base.xfilter */
+    xfilter: function (fn/*, obj... */) {
+        var rval = [];
+        if (fn === null) {
+            fn = MochiKit.Base.operator.truth;
+        }
+        for (var i = 1; i < arguments.length; i++) {
+            var o = arguments[i];
+            if (fn(o)) {
+                rval.push(o);
+            }
+        }
+        return rval;
+    },
+
+    /** @id MochiKit.Base.filter */
+    filter: function (fn, lst, self) {
+        var rval = [];
+        // allow an iterable to be passed
+        var m = MochiKit.Base;
+        if (!m.isArrayLike(lst)) {
+            if (MochiKit.Iter) {
+                lst = MochiKit.Iter.list(lst);
+            } else {
+                throw new TypeError("Argument not an array-like and MochiKit.Iter not present");
+            }
+        }
+        if (fn === null) {
+            fn = m.operator.truth;
+        }
+        if (typeof(Array.prototype.filter) == 'function') {
+            // Mozilla fast-path
+            return Array.prototype.filter.call(lst, fn, self);
+        } else if (typeof(self) == 'undefined' || self === null) {
+            for (var i = 0; i < lst.length; i++) {
+                var o = lst[i];
+                if (fn(o)) {
+                    rval.push(o);
+                }
+            }
+        } else {
+            for (var i = 0; i < lst.length; i++) {
+                o = lst[i];
+                if (fn.call(self, o)) {
+                    rval.push(o);
+                }
+            }
+        }
+        return rval;
+    },
+
+
+    _wrapDumbFunction: function (func) {
+        return function () {
+            // fast path!
+            switch (arguments.length) {
+                case 0: return func();
+                case 1: return func(arguments[0]);
+                case 2: return func(arguments[0], arguments[1]);
+                case 3: return func(arguments[0], arguments[1], arguments[2]);
+            }
+            var args = [];
+            for (var i = 0; i < arguments.length; i++) {
+                args.push("arguments[" + i + "]");
+            }
+            return eval("(func(" + args.join(",") + "))");
+        };
+    },
+
+    /** @id MochiKit.Base.methodcaller */
+    methodcaller: function (func/*, args... */) {
+        var args = MochiKit.Base.extend(null, arguments, 1);
+        if (typeof(func) == "function") {
+            return function (obj) {
+                return func.apply(obj, args);
+            };
+        } else {
+            return function (obj) {
+                return obj[func].apply(obj, args);
+            };
+        }
+    },
+
+    /** @id MochiKit.Base.method */
+    method: function (self, func) {
+        var m = MochiKit.Base;
+        return m.bind.apply(this, m.extend([func, self], arguments, 2));
+    },
+
+    /** @id MochiKit.Base.compose */
+    compose: function (f1, f2/*, f3, ... fN */) {
+        var fnlist = [];
+        var m = MochiKit.Base;
+        if (arguments.length === 0) {
+            throw new TypeError("compose() requires at least one argument");
+        }
+        for (var i = 0; i < arguments.length; i++) {
+            var fn = arguments[i];
+            if (typeof(fn) != "function") {
+                throw new TypeError(m.repr(fn) + " is not a function");
+            }
+            fnlist.push(fn);
+        }
+        return function () {
+            var args = arguments;
+            for (var i = fnlist.length - 1; i >= 0; i--) {
+                args = [fnlist[i].apply(this, args)];
+            }
+            return args[0];
+        };
+    },
+
+    /** @id MochiKit.Base.bind */
+    bind: function (func, self/* args... */) {
+        if (typeof(func) == "string") {
+            func = self[func];
+        }
+        var im_func = func.im_func;
+        var im_preargs = func.im_preargs;
+        var im_self = func.im_self;
+        var m = MochiKit.Base;
+        if (typeof(func) == "function" && typeof(func.apply) == "undefined") {
+            // this is for cases where JavaScript sucks ass and gives you a
+            // really dumb built-in function like alert() that doesn't have
+            // an apply
+            func = m._wrapDumbFunction(func);
+        }
+        if (typeof(im_func) != 'function') {
+            im_func = func;
+        }
+        if (typeof(self) != 'undefined') {
+            im_self = self;
+        }
+        if (typeof(im_preargs) == 'undefined') {
+            im_preargs = [];
+        } else  {
+            im_preargs = im_preargs.slice();
+        }
+        m.extend(im_preargs, arguments, 2);
+        var newfunc = function () {
+            var args = arguments;
+            var me = arguments.callee;
+            if (me.im_preargs.length > 0) {
+                args = m.concat(me.im_preargs, args);
+            }
+            var self = me.im_self;
+            if (!self) {
+                self = this;
+            }
+            return me.im_func.apply(self, args);
+        };
+        newfunc.im_self = im_self;
+        newfunc.im_func = im_func;
+        newfunc.im_preargs = im_preargs;
+        return newfunc;
+    },
+
+    /** @id MochiKit.Base.bindLate */
+    bindLate: function (func, self/* args... */) {
+        var m = MochiKit.Base;
+        var args = arguments;
+        if (typeof(func) === "string") {
+            args = m.extend([m.forwardCall(func)], arguments, 1);
+            return m.bind.apply(this, args);
+        }
+        return m.bind.apply(this, args);
+    },
+
+    /** @id MochiKit.Base.bindMethods */
+    bindMethods: function (self) {
+        var bind = MochiKit.Base.bind;
+        for (var k in self) {
+            var func = self[k];
+            if (typeof(func) == 'function') {
+                self[k] = bind(func, self);
+            }
+        }
+    },
+
+    /** @id MochiKit.Base.registerComparator */
+    registerComparator: function (name, check, comparator, /* optional */ override) {
+        MochiKit.Base.comparatorRegistry.register(name, check, comparator, override);
+    },
+
+    _primitives: {'boolean': true, 'string': true, 'number': true},
+
+    /** @id MochiKit.Base.compare */
+    compare: function (a, b) {
+        if (a == b) {
+            return 0;
+        }
+        var aIsNull = (typeof(a) == 'undefined' || a === null);
+        var bIsNull = (typeof(b) == 'undefined' || b === null);
+        if (aIsNull && bIsNull) {
+            return 0;
+        } else if (aIsNull) {
+            return -1;
+        } else if (bIsNull) {
+            return 1;
+        }
+        var m = MochiKit.Base;
+        // bool, number, string have meaningful comparisons
+        var prim = m._primitives;
+        if (!(typeof(a) in prim && typeof(b) in prim)) {
+            try {
+                return m.comparatorRegistry.match(a, b);
+            } catch (e) {
+                if (e != m.NotFound) {
+                    throw e;
+                }
+            }
+        }
+        if (a < b) {
+            return -1;
+        } else if (a > b) {
+            return 1;
+        }
+        // These types can't be compared
+        var repr = m.repr;
+        throw new TypeError(repr(a) + " and " + repr(b) + " can not be compared");
+    },
+
+    /** @id MochiKit.Base.compareDateLike */
+    compareDateLike: function (a, b) {
+        return MochiKit.Base.compare(a.getTime(), b.getTime());
+    },
+
+    /** @id MochiKit.Base.compareArrayLike */
+    compareArrayLike: function (a, b) {
+        var compare = MochiKit.Base.compare;
+        var count = a.length;
+        var rval = 0;
+        if (count > b.length) {
+            rval = 1;
+            count = b.length;
+        } else if (count < b.length) {
+            rval = -1;
+        }
+        for (var i = 0; i < count; i++) {
+            var cmp = compare(a[i], b[i]);
+            if (cmp) {
+                return cmp;
+            }
+        }
+        return rval;
+    },
+
+    /** @id MochiKit.Base.registerRepr */
+    registerRepr: function (name, check, wrap, /* optional */override) {
+        MochiKit.Base.reprRegistry.register(name, check, wrap, override);
+    },
+
+    /** @id MochiKit.Base.repr */
+    repr: function (o) {
+        if (typeof(o) == "undefined") {
+            return "undefined";
+        } else if (o === null) {
+            return "null";
+        }
+        try {
+            if (typeof(o.__repr__) == 'function') {
+                return o.__repr__();
+            } else if (typeof(o.repr) == 'function' && o.repr != arguments.callee) {
+                return o.repr();
+            }
+            return MochiKit.Base.reprRegistry.match(o);
+        } catch (e) {
+            if (typeof(o.NAME) == 'string' && (
+                    o.toString == Function.prototype.toString ||
+                    o.toString == Object.prototype.toString
+                )) {
+                return o.NAME;
+            }
+        }
+        try {
+            var ostring = (o + "");
+        } catch (e) {
+            return "[" + typeof(o) + "]";
+        }
+        if (typeof(o) == "function") {
+            ostring = ostring.replace(/^\s+/, "").replace(/\s+/g, " ");
+            ostring = ostring.replace(/,(\S)/, ", $1");
+            var idx = ostring.indexOf("{");
+            if (idx != -1) {
+                ostring = ostring.substr(0, idx) + "{...}";
+            }
+        }
+        return ostring;
+    },
+
+    /** @id MochiKit.Base.reprArrayLike */
+    reprArrayLike: function (o) {
+        var m = MochiKit.Base;
+        return "[" + m.map(m.repr, o).join(", ") + "]";
+    },
+
+    /** @id MochiKit.Base.reprString */
+    reprString: function (o) {
+        return ('"' + o.replace(/(["\\])/g, '\\$1') + '"'
+            ).replace(/[\f]/g, "\\f"
+            ).replace(/[\b]/g, "\\b"
+            ).replace(/[\n]/g, "\\n"
+            ).replace(/[\t]/g, "\\t"
+            ).replace(/[\v]/g, "\\v"
+            ).replace(/[\r]/g, "\\r");
+    },
+
+    /** @id MochiKit.Base.reprNumber */
+    reprNumber: function (o) {
+        return o + "";
+    },
+
+    /** @id MochiKit.Base.registerJSON */
+    registerJSON: function (name, check, wrap, /* optional */override) {
+        MochiKit.Base.jsonRegistry.register(name, check, wrap, override);
+    },
+
+
+    /** @id MochiKit.Base.evalJSON */
+    evalJSON: function () {
+        return eval("(" + MochiKit.Base._filterJSON(arguments[0]) + ")");
+    },
+
+    _filterJSON: function (s) {
+        var m = s.match(/^\s*\/\*(.*)\*\/\s*$/);
+        if (m) {
+            return m[1];
+        }
+        return s;
+    },
+
+    /** @id MochiKit.Base.serializeJSON */
+    serializeJSON: function (o) {
+        var objtype = typeof(o);
+        if (objtype == "number" || objtype == "boolean") {
+            return o + "";
+        } else if (o === null) {
+            return "null";
+        } else if (objtype == "string") {
+            var res = "";
+            for (var i = 0; i < o.length; i++) {
+                var c = o.charAt(i);
+                if (c == '\"') {
+                    res += '\\"';
+                } else if (c == '\\') {
+                    res += '\\\\';
+                } else if (c == '\b') {
+                    res += '\\b';
+                } else if (c == '\f') {
+                    res += '\\f';
+                } else if (c == '\n') {
+                    res += '\\n';
+                } else if (c == '\r') {
+                    res += '\\r';
+                } else if (c == '\t') {
+                    res += '\\t';
+                } else if (o.charCodeAt(i) <= 0x1F) {
+                    var hex = o.charCodeAt(i).toString(16);
+                    if (hex.length < 2) {
+                        hex = '0' + hex;
+                    }
+                    res += '\\u00' + hex.toUpperCase();
+                } else {
+                    res += c;
+                }
+            }
+            return '"' + res + '"';
+        }
+        // recurse
+        var me = arguments.callee;
+        // short-circuit for objects that support "json" serialization
+        // if they return "self" then just pass-through...
+        var newObj;
+        if (typeof(o.__json__) == "function") {
+            newObj = o.__json__();
+            if (o !== newObj) {
+                return me(newObj);
+            }
+        }
+        if (typeof(o.json) == "function") {
+            newObj = o.json();
+            if (o !== newObj) {
+                return me(newObj);
+            }
+        }
+        // array
+        if (objtype != "function" && typeof(o.length) == "number") {
+            var res = [];
+            for (var i = 0; i < o.length; i++) {
+                var val = me(o[i]);
+                if (typeof(val) != "string") {
+                    // skip non-serializable values
+                    continue;
+                }
+                res.push(val);
+            }
+            return "[" + res.join(", ") + "]";
+        }
+        // look in the registry
+        var m = MochiKit.Base;
+        try {
+            newObj = m.jsonRegistry.match(o);
+            if (o !== newObj) {
+                return me(newObj);
+            }
+        } catch (e) {
+            if (e != m.NotFound) {
+                // something really bad happened
+                throw e;
+            }
+        }
+        // undefined is outside of the spec
+        if (objtype == "undefined") {
+            throw new TypeError("undefined can not be serialized as JSON");
+        }
+        // it's a function with no adapter, bad
+        if (objtype == "function") {
+            return null;
+        }
+        // generic object code path
+        res = [];
+        for (var k in o) {
+            var useKey;
+            if (typeof(k) == "number") {
+                useKey = '"' + k + '"';
+            } else if (typeof(k) == "string") {
+                useKey = me(k);
+            } else {
+                // skip non-string or number keys
+                continue;
+            }
+            val = me(o[k]);
+            if (typeof(val) != "string") {
+                // skip non-serializable values
+                continue;
+            }
+            res.push(useKey + ":" + val);
+        }
+        return "{" + res.join(", ") + "}";
+    },
+
+
+    /** @id MochiKit.Base.objEqual */
+    objEqual: function (a, b) {
+        return (MochiKit.Base.compare(a, b) === 0);
+    },
+
+    /** @id MochiKit.Base.arrayEqual */
+    arrayEqual: function (self, arr) {
+        if (self.length != arr.length) {
+            return false;
+        }
+        return (MochiKit.Base.compare(self, arr) === 0);
+    },
+
+    /** @id MochiKit.Base.concat */
+    concat: function (/* lst... */) {
+        var rval = [];
+        var extend = MochiKit.Base.extend;
+        for (var i = 0; i < arguments.length; i++) {
+            extend(rval, arguments[i]);
+        }
+        return rval;
+    },
+
+    /** @id MochiKit.Base.keyComparator */
+    keyComparator: function (key/* ... */) {
+        // fast-path for single key comparisons
+        var m = MochiKit.Base;
+        var compare = m.compare;
+        if (arguments.length == 1) {
+            return function (a, b) {
+                return compare(a[key], b[key]);
+            };
+        }
+        var compareKeys = m.extend(null, arguments);
+        return function (a, b) {
+            var rval = 0;
+            // keep comparing until something is inequal or we run out of
+            // keys to compare
+            for (var i = 0; (rval === 0) && (i < compareKeys.length); i++) {
+                var key = compareKeys[i];
+                rval = compare(a[key], b[key]);
+            }
+            return rval;
+        };
+    },
+
+    /** @id MochiKit.Base.reverseKeyComparator */
+    reverseKeyComparator: function (key) {
+        var comparator = MochiKit.Base.keyComparator.apply(this, arguments);
+        return function (a, b) {
+            return comparator(b, a);
+        };
+    },
+
+    /** @id MochiKit.Base.partial */
+    partial: function (func) {
+        var m = MochiKit.Base;
+        return m.bind.apply(this, m.extend([func, undefined], arguments, 1));
+    },
+
+    /** @id MochiKit.Base.listMinMax */
+    listMinMax: function (which, lst) {
+        if (lst.length === 0) {
+            return null;
+        }
+        var cur = lst[0];
+        var compare = MochiKit.Base.compare;
+        for (var i = 1; i < lst.length; i++) {
+            var o = lst[i];
+            if (compare(o, cur) == which) {
+                cur = o;
+            }
+        }
+        return cur;
+    },
+
+    /** @id MochiKit.Base.objMax */
+    objMax: function (/* obj... */) {
+        return MochiKit.Base.listMinMax(1, arguments);
+    },
+
+    /** @id MochiKit.Base.objMin */
+    objMin: function (/* obj... */) {
+        return MochiKit.Base.listMinMax(-1, arguments);
+    },
+
+    /** @id MochiKit.Base.findIdentical */
+    findIdentical: function (lst, value, start/* = 0 */, /* optional */end) {
+        if (typeof(end) == "undefined" || end === null) {
+            end = lst.length;
+        }
+        if (typeof(start) == "undefined" || start === null) {
+            start = 0;
+        }
+        for (var i = start; i < end; i++) {
+            if (lst[i] === value) {
+                return i;
+            }
+        }
+        return -1;
+    },
+
+    /** @id MochiKit.Base.mean */
+    mean: function(/* lst... */) {
+        /* http://www.nist.gov/dads/HTML/mean.html */
+        var sum = 0;
+
+        var m = MochiKit.Base;
+        var args = m.extend(null, arguments);
+        var count = args.length;
+
+        while (args.length) {
+            var o = args.shift();
+            if (o && typeof(o) == "object" && typeof(o.length) == "number") {
+                count += o.length - 1;
+                for (var i = o.length - 1; i >= 0; i--) {
+                    sum += o[i];
+                }
+            } else {
+                sum += o;
+            }
+        }
+
+        if (count <= 0) {
+            throw new TypeError('mean() requires at least one argument');
+        }
+
+        return sum/count;
+    },
+
+    /** @id MochiKit.Base.median */
+    median: function(/* lst... */) {
+        /* http://www.nist.gov/dads/HTML/median.html */
+        var data = MochiKit.Base.flattenArguments(arguments);
+        if (data.length === 0) {
+            throw new TypeError('median() requires at least one argument');
+        }
+        data.sort(compare);
+        if (data.length % 2 == 0) {
+            var upper = data.length / 2;
+            return (data[upper] + data[upper - 1]) / 2;
+        } else {
+            return data[(data.length - 1) / 2];
+        }
+    },
+
+    /** @id MochiKit.Base.findValue */
+    findValue: function (lst, value, start/* = 0 */, /* optional */end) {
+        if (typeof(end) == "undefined" || end === null) {
+            end = lst.length;
+        }
+        if (typeof(start) == "undefined" || start === null) {
+            start = 0;
+        }
+        var cmp = MochiKit.Base.compare;
+        for (var i = start; i < end; i++) {
+            if (cmp(lst[i], value) === 0) {
+                return i;
+            }
+        }
+        return -1;
+    },
+
+    /** @id MochiKit.Base.nodeWalk */
+    nodeWalk: function (node, visitor) {
+        var nodes = [node];
+        var extend = MochiKit.Base.extend;
+        while (nodes.length) {
+            var res = visitor(nodes.shift());
+            if (res) {
+                extend(nodes, res);
+            }
+        }
+    },
+
+
+    /** @id MochiKit.Base.nameFunctions */
+    nameFunctions: function (namespace) {
+        var base = namespace.NAME;
+        if (typeof(base) == 'undefined') {
+            base = '';
+        } else {
+            base = base + '.';
+        }
+        for (var name in namespace) {
+            var o = namespace[name];
+            if (typeof(o) == 'function' && typeof(o.NAME) == 'undefined') {
+                try {
+                    o.NAME = base + name;
+                } catch (e) {
+                    // pass
+                }
+            }
+        }
+    },
+
+
+    /** @id MochiKit.Base.queryString */
+    queryString: function (names, values) {
+        // check to see if names is a string or a DOM element, and if
+        // MochiKit.DOM is available.  If so, drop it like it's a form
+        // Ugliest conditional in MochiKit?  Probably!
+        if (typeof(MochiKit.DOM) != "undefined" && arguments.length == 1
+            && (typeof(names) == "string" || (
+                typeof(names.nodeType) != "undefined" && names.nodeType > 0
+            ))
+        ) {
+            var kv = MochiKit.DOM.formContents(names);
+            names = kv[0];
+            values = kv[1];
+        } else if (arguments.length == 1) {
+            // Allow the return value of formContents to be passed directly
+            if (typeof(names.length) == "number" && names.length == 2) {
+                return arguments.callee(names[0], names[1]);
+            }
+            var o = names;
+            names = [];
+            values = [];
+            for (var k in o) {
+                var v = o[k];
+                if (typeof(v) == "function") {
+                    continue;
+                } else if (MochiKit.Base.isArrayLike(v)){
+                    for (var i = 0; i < v.length; i++) {
+                        names.push(k);
+                        values.push(v[i]);
+                    }
+                } else {
+                    names.push(k);
+                    values.push(v);
+                }
+            }
+        }
+        var rval = [];
+        var len = Math.min(names.length, values.length);
+        var urlEncode = MochiKit.Base.urlEncode;
+        for (var i = 0; i < len; i++) {
+            v = values[i];
+            if (typeof(v) != 'undefined' && v !== null) {
+                rval.push(urlEncode(names[i]) + "=" + urlEncode(v));
+            }
+        }
+        return rval.join("&");
+    },
+
+
+    /** @id MochiKit.Base.parseQueryString */
+    parseQueryString: function (encodedString, useArrays) {
+        // strip a leading '?' from the encoded string
+        var qstr = (encodedString.charAt(0) == "?")
+            ? encodedString.substring(1)
+            : encodedString;
+        var pairs = qstr.replace(/\+/g, "%20").split(/\&amp\;|\&\#38\;|\&#x26;|\&/);
+        var o = {};
+        var decode;
+        if (typeof(decodeURIComponent) != "undefined") {
+            decode = decodeURIComponent;
+        } else {
+            decode = unescape;
+        }
+        if (useArrays) {
+            for (var i = 0; i < pairs.length; i++) {
+                var pair = pairs[i].split("=");
+                var name = decode(pair.shift());
+                if (!name) {
+                    continue;
+                }
+                var arr = o[name];
+                if (!(arr instanceof Array)) {
+                    arr = [];
+                    o[name] = arr;
+                }
+                arr.push(decode(pair.join("=")));
+            }
+        } else {
+            for (var i = 0; i < pairs.length; i++) {
+                pair = pairs[i].split("=");
+                var name = pair.shift();
+                if (!name) {
+                    continue;
+                }
+                o[decode(name)] = decode(pair.join("="));
+            }
+        }
+        return o;
+    }
+});
+
+/** @id MochiKit.Base.AdapterRegistry */
+MochiKit.Base.AdapterRegistry = function () {
+    this.pairs = [];
+};
+
+MochiKit.Base.AdapterRegistry.prototype = {
+    /** @id MochiKit.Base.AdapterRegistry.prototype.register */
+    register: function (name, check, wrap, /* optional */ override) {
+        if (override) {
+            this.pairs.unshift([name, check, wrap]);
+        } else {
+            this.pairs.push([name, check, wrap]);
+        }
+    },
+
+    /** @id MochiKit.Base.AdapterRegistry.prototype.match */
+    match: function (/* ... */) {
+        for (var i = 0; i < this.pairs.length; i++) {
+            var pair = this.pairs[i];
+            if (pair[1].apply(this, arguments)) {
+                return pair[2].apply(this, arguments);
+            }
+        }
+        throw MochiKit.Base.NotFound;
+    },
+
+    /** @id MochiKit.Base.AdapterRegistry.prototype.unregister */
+    unregister: function (name) {
+        for (var i = 0; i < this.pairs.length; i++) {
+            var pair = this.pairs[i];
+            if (pair[0] == name) {
+                this.pairs.splice(i, 1);
+                return true;
+            }
+        }
+        return false;
+    }
+};
+
+MochiKit.Base._exportSymbols = function (globals, module) {
+    if (MochiKit.__export__ === false || module.__export__ === false) {
+        return;
+    }
+    for (var k in module) {
+        var v = module[k];
+        if (v != null) {
+            var okName = (k[0] !== "_" && k !== "toString");
+            if (v.__export__ === true || (v.__export__ !== false && okName)) {
+                globals[k] = module[k];
+            }
+        }
+    }
+};
+
+/**
+ * Creates a deprecated function alias in the specified module. The
+ * deprecated function will forward all calls and arguments to a
+ * target function, while also logging a debug message on the first
+ * call (if MochiKit.Logging is loaded). The destination function may
+ * be located in another module, which must be loaded, or an
+ * exception will be thrown.
+ *
+ * @param {Object/String} module the source module or module name
+ *            (e.g. 'DOM' or 'MochiKit.DOM')
+ * @param {String} name the deprecated function name (e.g. 'getStyle')
+ * @param {String} target the fully qualified name of the target
+ *            function (e.g. 'MochiKit.Style.getStyle')
+ * @param {String} version the first version when the source function
+ *            was deprecated (e.g. '1.4')
+ * @param {Boolean} [exportable] the exportable function flag,
+ *            defaults to true
+ */
+MochiKit.Base._deprecated = function (module, name, target, version, exportable) {
+    if (typeof(module) === 'string') {
+        if (module.indexOf('MochiKit.') === 0) {
+            module = module.substring(9);
+        }
+        module = MochiKit[module];
+    }
+    var targetModule = target.split('.')[1];
+    var targetName = target.split('.')[2];
+    var func = function () {
+        var self = arguments.callee;
+        var msg = module.NAME + '.' + name + ' is deprecated since version ' +
+                  version + '. Use ' + target + ' instead.';
+        if (self.logged !== true) {
+            self.logged = true;
+            if (MochiKit.Logging) {
+                MochiKit.Logging.logDebug(msg);
+            } else if (console && console.log) {
+                console.log(msg);
+            }
+        }
+        if (!MochiKit[targetModule]) {
+            throw new Error(msg);
+        }
+        return MochiKit[targetModule][targetName].apply(this, arguments);
+    };
+    if (exportable === false) {
+        func.__export__ = false;
+    }
+    module[name] = func;
+}
+
+MochiKit.Base.__new__ = function () {
+    var m = this;
+
+    /** @id MochiKit.Base.noop */
+    m.noop = m.operator.identity;
+
+    // Backwards compat
+    m._deprecated(m, 'forward', 'MochiKit.Base.forwardCall', '1.3', false);
+    m._deprecated(m, 'find', 'MochiKit.Base.findValue', '1.3', false);
+
+    if (typeof(encodeURIComponent) != "undefined") {
+        /** @id MochiKit.Base.urlEncode */
+        m.urlEncode = function (unencoded) {
+            return encodeURIComponent(unencoded).replace(/\'/g, '%27');
+        };
+    } else {
+        m.urlEncode = function (unencoded) {
+            return escape(unencoded
+                ).replace(/\+/g, '%2B'
+                ).replace(/\"/g,'%22'
+                ).rval.replace(/\'/g, '%27');
+        };
+    }
+
+    /** @id MochiKit.Base.NamedError */
+    m.NamedError = function (name) {
+        this.message = name;
+        this.name = name;
+    };
+    m.NamedError.prototype = new Error();
+    m.update(m.NamedError.prototype, {
+        repr: function () {
+            if (this.message && this.message != this.name) {
+                return this.name + "(" + m.repr(this.message) + ")";
+            } else {
+                return this.name + "()";
+            }
+        },
+        toString: m.forwardCall("repr")
+    });
+
+    /** @id MochiKit.Base.NotFound */
+    m.NotFound = new m.NamedError("MochiKit.Base.NotFound");
+
+
+    /** @id MochiKit.Base.listMax */
+    m.listMax = m.partial(m.listMinMax, 1);
+    /** @id MochiKit.Base.listMin */
+    m.listMin = m.partial(m.listMinMax, -1);
+
+    /** @id MochiKit.Base.isCallable */
+    m.isCallable = m.typeMatcher('function');
+    /** @id MochiKit.Base.isUndefined */
+    m.isUndefined = m.typeMatcher('undefined');
+
+    /** @id MochiKit.Base.merge */
+    m.merge = m.partial(m.update, null);
+    /** @id MochiKit.Base.zip */
+    m.zip = m.partial(m.map, null);
+
+    /** @id MochiKit.Base.average */
+    m.average = m.mean;
+
+    /** @id MochiKit.Base.comparatorRegistry */
+    m.comparatorRegistry = new m.AdapterRegistry();
+    m.registerComparator("dateLike", m.isDateLike, m.compareDateLike);
+    m.registerComparator("arrayLike", m.isArrayLike, m.compareArrayLike);
+
+    /** @id MochiKit.Base.reprRegistry */
+    m.reprRegistry = new m.AdapterRegistry();
+    m.registerRepr("arrayLike", m.isArrayLike, m.reprArrayLike);
+    m.registerRepr("string", m.typeMatcher("string"), m.reprString);
+    m.registerRepr("numbers", m.typeMatcher("number", "boolean"), m.reprNumber);
+
+    /** @id MochiKit.Base.jsonRegistry */
+    m.jsonRegistry = new m.AdapterRegistry();
+
+    m.nameFunctions(this);
+
+};
+
+MochiKit.Base.__new__();
+
+//
+// XXX: Internet Explorer blows
+//
+if (MochiKit.__export__) {
+    compare = MochiKit.Base.compare;
+    compose = MochiKit.Base.compose;
+    serializeJSON = MochiKit.Base.serializeJSON;
+    mean = MochiKit.Base.mean;
+    median = MochiKit.Base.median;
+}
+
+MochiKit.Base._exportSymbols(this, MochiKit.Base);
diff --git a/frontend/gamma/js/MochiKit/Color.js b/frontend/gamma/js/MochiKit/Color.js
new file mode 100644
index 0000000..27dc2d0
--- a/dev/null
+++ b/frontend/gamma/js/MochiKit/Color.js
@@ -0,0 +1,832 @@
+/***
+
+MochiKit.Color 1.5
+
+See <http://mochikit.com/> for documentation, downloads, license, etc.
+
+(c) 2005 Bob Ippolito and others.  All rights Reserved.
+
+***/
+
+MochiKit.Base._module('Color', '1.5', ['Base', 'DOM', 'Style']);
+
+/** @id MochiKit.Color.Color */
+MochiKit.Color.Color = function (red, green, blue, alpha) {
+    if (typeof(alpha) == 'undefined' || alpha === null) {
+        alpha = 1.0;
+    }
+    this.rgb = {
+        r: red,
+        g: green,
+        b: blue,
+        a: alpha
+    };
+};
+
+
+// Prototype methods
+
+MochiKit.Color.Color.prototype = {
+
+    __class__: MochiKit.Color.Color,
+
+    /** @id MochiKit.Color.Color.prototype.colorWithAlpha */
+    colorWithAlpha: function (alpha) {
+        var rgb = this.rgb;
+        var m = MochiKit.Color;
+        return m.Color.fromRGB(rgb.r, rgb.g, rgb.b, alpha);
+    },
+
+    /** @id MochiKit.Color.Color.prototype.colorWithHue */
+    colorWithHue: function (hue) {
+        // get an HSL model, and set the new hue...
+        var hsl = this.asHSL();
+        hsl.h = hue;
+        var m = MochiKit.Color;
+        // convert back to RGB...
+        return m.Color.fromHSL(hsl);
+    },
+
+    /** @id MochiKit.Color.Color.prototype.colorWithSaturation */
+    colorWithSaturation: function (saturation) {
+        // get an HSL model, and set the new hue...
+        var hsl = this.asHSL();
+        hsl.s = saturation;
+        var m = MochiKit.Color;
+        // convert back to RGB...
+        return m.Color.fromHSL(hsl);
+    },
+
+    /** @id MochiKit.Color.Color.prototype.colorWithLightness */
+    colorWithLightness: function (lightness) {
+        // get an HSL model, and set the new hue...
+        var hsl = this.asHSL();
+        hsl.l = lightness;
+        var m = MochiKit.Color;
+        // convert back to RGB...
+        return m.Color.fromHSL(hsl);
+    },
+
+    /** @id MochiKit.Color.Color.prototype.darkerColorWithLevel */
+    darkerColorWithLevel: function (level) {
+        var hsl  = this.asHSL();
+        hsl.l = Math.max(hsl.l - level, 0);
+        var m = MochiKit.Color;
+        return m.Color.fromHSL(hsl);
+    },
+
+    /** @id MochiKit.Color.Color.prototype.lighterColorWithLevel */
+    lighterColorWithLevel: function (level) {
+        var hsl  = this.asHSL();
+        hsl.l = Math.min(hsl.l + level, 1);
+        var m = MochiKit.Color;
+        return m.Color.fromHSL(hsl);
+    },
+
+    /** @id MochiKit.Color.Color.prototype.blendedColor */
+    blendedColor: function (other, /* optional */ fraction) {
+        if (typeof(fraction) == 'undefined' || fraction === null) {
+            fraction = 0.5;
+        }
+        var sf = 1.0 - fraction;
+        var s = this.rgb;
+        var d = other.rgb;
+        var df = fraction;
+        return MochiKit.Color.Color.fromRGB(
+            (s.r * sf) + (d.r * df),
+            (s.g * sf) + (d.g * df),
+            (s.b * sf) + (d.b * df),
+            (s.a * sf) + (d.a * df)
+        );
+    },
+
+    /** @id MochiKit.Color.Color.prototype.compareRGB */
+    compareRGB: function (other) {
+        var a = this.asRGB();
+        var b = other.asRGB();
+        return MochiKit.Base.compare(
+            [a.r, a.g, a.b, a.a],
+            [b.r, b.g, b.b, b.a]
+        );
+    },
+
+    /** @id MochiKit.Color.Color.prototype.isLight */
+    isLight: function () {
+        return this.asHSL().b > 0.5;
+    },
+
+    /** @id MochiKit.Color.Color.prototype.isDark */
+    isDark: function () {
+        return (!this.isLight());
+    },
+
+    /** @id MochiKit.Color.Color.prototype.toHSLString */
+    toHSLString: function () {
+        var c = this.asHSL();
+        var ccc = MochiKit.Color.clampColorComponent;
+        var rval = this._hslString;
+        if (!rval) {
+            var mid = (
+                ccc(c.h, 360).toFixed(0)
+                + "," + ccc(c.s, 100).toPrecision(4) + "%"
+                + "," + ccc(c.l, 100).toPrecision(4) + "%"
+            );
+            var a = c.a;
+            if (a >= 1) {
+                a = 1;
+                rval = "hsl(" + mid + ")";
+            } else {
+                if (a <= 0) {
+                    a = 0;
+                }
+                rval = "hsla(" + mid + "," + a + ")";
+            }
+            this._hslString = rval;
+        }
+        return rval;
+    },
+
+    /** @id MochiKit.Color.Color.prototype.toRGBString */
+    toRGBString: function () {
+        var c = this.rgb;
+        var ccc = MochiKit.Color.clampColorComponent;
+        var rval = this._rgbString;
+        if (!rval) {
+            var mid = (
+                ccc(c.r, 255).toFixed(0)
+                + "," + ccc(c.g, 255).toFixed(0)
+                + "," + ccc(c.b, 255).toFixed(0)
+            );
+            if (c.a != 1) {
+                rval = "rgba(" + mid + "," + c.a + ")";
+            } else {
+                rval = "rgb(" + mid + ")";
+            }
+            this._rgbString = rval;
+        }
+        return rval;
+    },
+
+    /** @id MochiKit.Color.Color.prototype.asRGB */
+    asRGB: function () {
+        return MochiKit.Base.clone(this.rgb);
+    },
+
+    /** @id MochiKit.Color.Color.prototype.toHexString */
+    toHexString: function () {
+        var m = MochiKit.Color;
+        var c = this.rgb;
+        var ccc = MochiKit.Color.clampColorComponent;
+        var rval = this._hexString;
+        if (!rval) {
+            rval = ("#" +
+                m.toColorPart(ccc(c.r, 255)) +
+                m.toColorPart(ccc(c.g, 255)) +
+                m.toColorPart(ccc(c.b, 255))
+            );
+            this._hexString = rval;
+        }
+        return rval;
+    },
+
+    /** @id MochiKit.Color.Color.prototype.asHSV */
+    asHSV: function () {
+        var hsv = this.hsv;
+        var c = this.rgb;
+        if (typeof(hsv) == 'undefined' || hsv === null) {
+            hsv = MochiKit.Color.rgbToHSV(this.rgb);
+            this.hsv = hsv;
+        }
+        return MochiKit.Base.clone(hsv);
+    },
+
+    /** @id MochiKit.Color.Color.prototype.asHSL */
+    asHSL: function () {
+        var hsl = this.hsl;
+        var c = this.rgb;
+        if (typeof(hsl) == 'undefined' || hsl === null) {
+            hsl = MochiKit.Color.rgbToHSL(this.rgb);
+            this.hsl = hsl;
+        }
+        return MochiKit.Base.clone(hsl);
+    },
+
+    /** @id MochiKit.Color.Color.prototype.toString */
+    toString: function () {
+        return this.toRGBString();
+    },
+
+    /** @id MochiKit.Color.Color.prototype.repr */
+    repr: function () {
+        var c = this.rgb;
+        var col = [c.r, c.g, c.b, c.a];
+        return this.__class__.NAME + "(" + col.join(", ") + ")";
+    }
+
+};
+
+// Constructor methods
+
+MochiKit.Base.update(MochiKit.Color.Color, {
+    /** @id MochiKit.Color.Color.fromRGB */
+    fromRGB: function (red, green, blue, alpha) {
+        // designated initializer
+        var Color = MochiKit.Color.Color;
+        if (arguments.length == 1) {
+            var rgb = red;
+            red = rgb.r;
+            green = rgb.g;
+            blue = rgb.b;
+            if (typeof(rgb.a) == 'undefined') {
+                alpha = undefined;
+            } else {
+                alpha = rgb.a;
+            }
+        }
+        return new Color(red, green, blue, alpha);
+    },
+
+    /** @id MochiKit.Color.Color.fromHSL */
+    fromHSL: function (hue, saturation, lightness, alpha) {
+        var m = MochiKit.Color;
+        return m.Color.fromRGB(m.hslToRGB.apply(m, arguments));
+    },
+
+    /** @id MochiKit.Color.Color.fromHSV */
+    fromHSV: function (hue, saturation, value, alpha) {
+        var m = MochiKit.Color;
+        return m.Color.fromRGB(m.hsvToRGB.apply(m, arguments));
+    },
+
+    /** @id MochiKit.Color.Color.fromName */
+    fromName: function (name) {
+        var Color = MochiKit.Color.Color;
+        // Opera 9 seems to "quote" named colors(?!)
+        if (name.charAt(0) == '"') {
+            name = name.substr(1, name.length - 2);
+        }
+        var htmlColor = Color._namedColors[name.toLowerCase()];
+        if (typeof(htmlColor) == 'string') {
+            return Color.fromHexString(htmlColor);
+        } else if (name == "transparent") {
+            return Color.transparentColor();
+        }
+        return null;
+    },
+
+    /** @id MochiKit.Color.Color.fromString */
+    fromString: function (colorString) {
+        var self = MochiKit.Color.Color;
+        var three = colorString.substr(0, 3);
+        if (three == "rgb") {
+            return self.fromRGBString(colorString);
+        } else if (three == "hsl") {
+            return self.fromHSLString(colorString);
+        } else if (colorString.charAt(0) == "#") {
+            return self.fromHexString(colorString);
+        }
+        return self.fromName(colorString);
+    },
+
+
+    /** @id MochiKit.Color.Color.fromHexString */
+    fromHexString: function (hexCode) {
+        if (hexCode.charAt(0) == '#') {
+            hexCode = hexCode.substring(1);
+        }
+        var components = [];
+        var i, hex;
+        if (hexCode.length == 3) {
+            for (i = 0; i < 3; i++) {
+                hex = hexCode.substr(i, 1);
+                components.push(parseInt(hex + hex, 16) / 255.0);
+            }
+        } else {
+            for (i = 0; i < 6; i += 2) {
+                hex = hexCode.substr(i, 2);
+                components.push(parseInt(hex, 16) / 255.0);
+            }
+        }
+        var Color = MochiKit.Color.Color;
+        return Color.fromRGB.apply(Color, components);
+    },
+
+
+    _fromColorString: function (pre, method, scales, colorCode) {
+        // parses either HSL or RGB
+        if (colorCode.indexOf(pre) === 0) {
+            colorCode = colorCode.substring(colorCode.indexOf("(", 3) + 1, colorCode.length - 1);
+        }
+        var colorChunks = colorCode.split(/\s*,\s*/);
+        var colorFloats = [];
+        for (var i = 0; i < colorChunks.length; i++) {
+            var c = colorChunks[i];
+            var val;
+            var three = c.substring(c.length - 3);
+            if (c.charAt(c.length - 1) == '%') {
+                val = 0.01 * parseFloat(c.substring(0, c.length - 1));
+            } else if (three == "deg") {
+                val = parseFloat(c) / 360.0;
+            } else if (three == "rad") {
+                val = parseFloat(c) / (Math.PI * 2);
+            } else {
+                val = scales[i] * parseFloat(c);
+            }
+            colorFloats.push(val);
+        }
+        return this[method].apply(this, colorFloats);
+    },
+
+    /** @id MochiKit.Color.Color.fromComputedStyle */
+    fromComputedStyle: function (elem, style) {
+        var d = MochiKit.DOM;
+        var cls = MochiKit.Color.Color;
+        for (elem = d.getElement(elem); elem; elem = elem.parentNode) {
+            var actualColor = MochiKit.Style.getStyle.apply(d, arguments);
+            if (!actualColor) {
+                continue;
+            }
+            var color = cls.fromString(actualColor);
+            if (!color) {
+                break;
+            }
+            if (color.asRGB().a > 0) {
+                return color;
+            }
+        }
+        return null;
+    },
+
+    /** @id MochiKit.Color.Color.fromBackground */
+    fromBackground: function (elem) {
+        var cls = MochiKit.Color.Color;
+        return cls.fromComputedStyle(
+            elem, "backgroundColor", "background-color") || cls.whiteColor();
+    },
+
+    /** @id MochiKit.Color.Color.fromText */
+    fromText: function (elem) {
+        var cls = MochiKit.Color.Color;
+        return cls.fromComputedStyle(
+            elem, "color", "color") || cls.blackColor();
+    },
+
+    /** @id MochiKit.Color.Color.namedColors */
+    namedColors: function () {
+        return MochiKit.Base.clone(MochiKit.Color.Color._namedColors);
+    }
+});
+
+
+// Module level functions
+
+MochiKit.Base.update(MochiKit.Color, {
+    /** @id MochiKit.Color.clampColorComponent */
+    clampColorComponent: function (v, scale) {
+        v *= scale;
+        if (v < 0) {
+            return 0;
+        } else if (v > scale) {
+            return scale;
+        } else {
+            return v;
+        }
+    },
+
+    _hslValue: function (n1, n2, hue) {
+        if (hue > 6.0) {
+            hue -= 6.0;
+        } else if (hue < 0.0) {
+            hue += 6.0;
+        }
+        var val;
+        if (hue < 1.0) {
+            val = n1 + (n2 - n1) * hue;
+        } else if (hue < 3.0) {
+            val = n2;
+        } else if (hue < 4.0) {
+            val = n1 + (n2 - n1) * (4.0 - hue);
+        } else {
+            val = n1;
+        }
+        return val;
+    },
+
+    /** @id MochiKit.Color.hsvToRGB */
+    hsvToRGB: function (hue, saturation, value, alpha) {
+        if (arguments.length == 1) {
+            var hsv = hue;
+            hue = hsv.h;
+            saturation = hsv.s;
+            value = hsv.v;
+            alpha = hsv.a;
+        }
+        var red;
+        var green;
+        var blue;
+        if (saturation === 0) {
+            red = value;
+            green = value;
+            blue = value;
+        } else {
+            var i = Math.floor(hue * 6);
+            var f = (hue * 6) - i;
+            var p = value * (1 - saturation);
+            var q = value * (1 - (saturation * f));
+            var t = value * (1 - (saturation * (1 - f)));
+            switch (i) {
+                case 1: red = q; green = value; blue = p; break;
+                case 2: red = p; green = value; blue = t; break;
+                case 3: red = p; green = q; blue = value; break;
+                case 4: red = t; green = p; blue = value; break;
+                case 5: red = value; green = p; blue = q; break;
+                case 6: // fall through
+                case 0: red = value; green = t; blue = p; break;
+            }
+        }
+        return {
+            r: red,
+            g: green,
+            b: blue,
+            a: alpha
+        };
+    },
+
+    /** @id MochiKit.Color.hslToRGB */
+    hslToRGB: function (hue, saturation, lightness, alpha) {
+        if (arguments.length == 1) {
+            var hsl = hue;
+            hue = hsl.h;
+            saturation = hsl.s;
+            lightness = hsl.l;
+            alpha = hsl.a;
+        }
+        var red;
+        var green;
+        var blue;
+        if (saturation === 0) {
+            red = lightness;
+            green = lightness;
+            blue = lightness;
+        } else {
+            var m2;
+            if (lightness <= 0.5) {
+                m2 = lightness * (1.0 + saturation);
+            } else {
+                m2 = lightness + saturation - (lightness * saturation);
+            }
+            var m1 = (2.0 * lightness) - m2;
+            var f = MochiKit.Color._hslValue;
+            var h6 = hue * 6.0;
+            red = f(m1, m2, h6 + 2);
+            green = f(m1, m2, h6);
+            blue = f(m1, m2, h6 - 2);
+        }
+        return {
+            r: red,
+            g: green,
+            b: blue,
+            a: alpha
+        };
+    },
+
+    /** @id MochiKit.Color.rgbToHSV */
+    rgbToHSV: function (red, green, blue, alpha) {
+        if (arguments.length == 1) {
+            var rgb = red;
+            red = rgb.r;
+            green = rgb.g;
+            blue = rgb.b;
+            alpha = rgb.a;
+        }
+        var max = Math.max(Math.max(red, green), blue);
+        var min = Math.min(Math.min(red, green), blue);
+        var hue;
+        var saturation;
+        var value = max;
+        if (min == max) {
+            hue = 0;
+            saturation = 0;
+        } else {
+            var delta = (max - min);
+            saturation = delta / max;
+
+            if (red == max) {
+                hue = (green - blue) / delta;
+            } else if (green == max) {
+                hue = 2 + ((blue - red) / delta);
+            } else {
+                hue = 4 + ((red - green) / delta);
+            }
+            hue /= 6;
+            if (hue < 0) {
+                hue += 1;
+            }
+            if (hue > 1) {
+                hue -= 1;
+            }
+        }
+        return {
+            h: hue,
+            s: saturation,
+            v: value,
+            a: alpha
+        };
+    },
+
+    /** @id MochiKit.Color.rgbToHSL */
+    rgbToHSL: function (red, green, blue, alpha) {
+        if (arguments.length == 1) {
+            var rgb = red;
+            red = rgb.r;
+            green = rgb.g;
+            blue = rgb.b;
+            alpha = rgb.a;
+        }
+        var max = Math.max(red, Math.max(green, blue));
+        var min = Math.min(red, Math.min(green, blue));
+        var hue;
+        var saturation;
+        var lightness = (max + min) / 2.0;
+        var delta = max - min;
+        if (delta === 0) {
+            hue = 0;
+            saturation = 0;
+        } else {
+            if (lightness <= 0.5) {
+                saturation = delta / (max + min);
+            } else {
+                saturation = delta / (2 - max - min);
+            }
+            if (red == max) {
+                hue = (green - blue) / delta;
+            } else if (green == max) {
+                hue = 2 + ((blue - red) / delta);
+            } else {
+                hue = 4 + ((red - green) / delta);
+            }
+            hue /= 6;
+            if (hue < 0) {
+                hue += 1;
+            }
+            if (hue > 1) {
+                hue -= 1;
+            }
+
+        }
+        return {
+            h: hue,
+            s: saturation,
+            l: lightness,
+            a: alpha
+        };
+    },
+
+    /** @id MochiKit.Color.toColorPart */
+    toColorPart: function (num) {
+        num = Math.round(num);
+        var digits = num.toString(16);
+        if (num < 16) {
+            return '0' + digits;
+        }
+        return digits;
+    },
+
+    __new__: function () {
+        var m = MochiKit.Base;
+        /** @id MochiKit.Color.Color.fromRGBString */
+        this.Color.fromRGBString = m.bind(
+            this.Color._fromColorString, this.Color, "rgb", "fromRGB",
+            [1.0/255.0, 1.0/255.0, 1.0/255.0, 1]
+        );
+        /** @id MochiKit.Color.Color.fromHSLString */
+        this.Color.fromHSLString = m.bind(
+            this.Color._fromColorString, this.Color, "hsl", "fromHSL",
+            [1.0/360.0, 0.01, 0.01, 1]
+        );
+
+        var third = 1.0 / 3.0;
+        /** @id MochiKit.Color.colors */
+        var colors = {
+            // NSColor colors plus transparent
+            /** @id MochiKit.Color.blackColor */
+            black: [0, 0, 0],
+            /** @id MochiKit.Color.blueColor */
+            blue: [0, 0, 1],
+            /** @id MochiKit.Color.brownColor */
+            brown: [0.6, 0.4, 0.2],
+            /** @id MochiKit.Color.cyanColor */
+            cyan: [0, 1, 1],
+            /** @id MochiKit.Color.darkGrayColor */
+            darkGray: [third, third, third],
+            /** @id MochiKit.Color.grayColor */
+            gray: [0.5, 0.5, 0.5],
+            /** @id MochiKit.Color.greenColor */
+            green: [0, 1, 0],
+            /** @id MochiKit.Color.lightGrayColor */
+            lightGray: [2 * third, 2 * third, 2 * third],
+            /** @id MochiKit.Color.magentaColor */
+            magenta: [1, 0, 1],
+            /** @id MochiKit.Color.orangeColor */
+            orange: [1, 0.5, 0],
+            /** @id MochiKit.Color.purpleColor */
+            purple: [0.5, 0, 0.5],
+            /** @id MochiKit.Color.redColor */
+            red: [1, 0, 0],
+            /** @id MochiKit.Color.transparentColor */
+            transparent: [0, 0, 0, 0],
+            /** @id MochiKit.Color.whiteColor */
+            white: [1, 1, 1],
+            /** @id MochiKit.Color.yellowColor */
+            yellow: [1, 1, 0]
+        };
+
+        var makeColor = function (name, r, g, b, a) {
+            var rval = this.fromRGB(r, g, b, a);
+            this[name] = function () { return rval; };
+            return rval;
+        };
+
+        for (var k in colors) {
+            var name = k + "Color";
+            var bindArgs = m.concat(
+                [makeColor, this.Color, name],
+                colors[k]
+            );
+            this.Color[name] = m.bind.apply(null, bindArgs);
+        }
+
+        var isColor = function () {
+            for (var i = 0; i < arguments.length; i++) {
+                if (!(arguments[i] instanceof MochiKit.Color.Color)) {
+                    return false;
+                }
+            }
+            return true;
+        };
+
+        var compareColor = function (a, b) {
+            return a.compareRGB(b);
+        };
+
+        m.nameFunctions(this);
+
+        m.registerComparator(this.Color.NAME, isColor, compareColor);
+    }
+});
+
+MochiKit.Color.__new__();
+
+// Full table of css3 X11 colors <http://www.w3.org/TR/css3-color/#X11COLORS>
+
+MochiKit.Color.Color._namedColors = {
+    aliceblue: "#f0f8ff",
+    antiquewhite: "#faebd7",
+    aqua: "#00ffff",
+    aquamarine: "#7fffd4",
+    azure: "#f0ffff",
+    beige: "#f5f5dc",
+    bisque: "#ffe4c4",
+    black: "#000000",
+    blanchedalmond: "#ffebcd",
+    blue: "#0000ff",
+    blueviolet: "#8a2be2",
+    brown: "#a52a2a",
+    burlywood: "#deb887",
+    cadetblue: "#5f9ea0",
+    chartreuse: "#7fff00",
+    chocolate: "#d2691e",
+    coral: "#ff7f50",
+    cornflowerblue: "#6495ed",
+    cornsilk: "#fff8dc",
+    crimson: "#dc143c",
+    cyan: "#00ffff",
+    darkblue: "#00008b",
+    darkcyan: "#008b8b",
+    darkgoldenrod: "#b8860b",
+    darkgray: "#a9a9a9",
+    darkgreen: "#006400",
+    darkgrey: "#a9a9a9",
+    darkkhaki: "#bdb76b",
+    darkmagenta: "#8b008b",
+    darkolivegreen: "#556b2f",
+    darkorange: "#ff8c00",
+    darkorchid: "#9932cc",
+    darkred: "#8b0000",
+    darksalmon: "#e9967a",
+    darkseagreen: "#8fbc8f",
+    darkslateblue: "#483d8b",
+    darkslategray: "#2f4f4f",
+    darkslategrey: "#2f4f4f",
+    darkturquoise: "#00ced1",
+    darkviolet: "#9400d3",
+    deeppink: "#ff1493",
+    deepskyblue: "#00bfff",
+    dimgray: "#696969",
+    dimgrey: "#696969",
+    dodgerblue: "#1e90ff",
+    firebrick: "#b22222",
+    floralwhite: "#fffaf0",
+    forestgreen: "#228b22",
+    fuchsia: "#ff00ff",
+    gainsboro: "#dcdcdc",
+    ghostwhite: "#f8f8ff",
+    gold: "#ffd700",
+    goldenrod: "#daa520",
+    gray: "#808080",
+    green: "#008000",
+    greenyellow: "#adff2f",
+    grey: "#808080",
+    honeydew: "#f0fff0",
+    hotpink: "#ff69b4",
+    indianred: "#cd5c5c",
+    indigo: "#4b0082",
+    ivory: "#fffff0",
+    khaki: "#f0e68c",
+    lavender: "#e6e6fa",
+    lavenderblush: "#fff0f5",
+    lawngreen: "#7cfc00",
+    lemonchiffon: "#fffacd",
+    lightblue: "#add8e6",
+    lightcoral: "#f08080",
+    lightcyan: "#e0ffff",
+    lightgoldenrodyellow: "#fafad2",
+    lightgray: "#d3d3d3",
+    lightgreen: "#90ee90",
+    lightgrey: "#d3d3d3",
+    lightpink: "#ffb6c1",
+    lightsalmon: "#ffa07a",
+    lightseagreen: "#20b2aa",
+    lightskyblue: "#87cefa",
+    lightslategray: "#778899",
+    lightslategrey: "#778899",
+    lightsteelblue: "#b0c4de",
+    lightyellow: "#ffffe0",
+    lime: "#00ff00",
+    limegreen: "#32cd32",
+    linen: "#faf0e6",
+    magenta: "#ff00ff",
+    maroon: "#800000",
+    mediumaquamarine: "#66cdaa",
+    mediumblue: "#0000cd",
+    mediumorchid: "#ba55d3",
+    mediumpurple: "#9370db",
+    mediumseagreen: "#3cb371",
+    mediumslateblue: "#7b68ee",
+    mediumspringgreen: "#00fa9a",
+    mediumturquoise: "#48d1cc",
+    mediumvioletred: "#c71585",
+    midnightblue: "#191970",
+    mintcream: "#f5fffa",
+    mistyrose: "#ffe4e1",
+    moccasin: "#ffe4b5",
+    navajowhite: "#ffdead",
+    navy: "#000080",
+    oldlace: "#fdf5e6",
+    olive: "#808000",
+    olivedrab: "#6b8e23",
+    orange: "#ffa500",
+    orangered: "#ff4500",
+    orchid: "#da70d6",
+    palegoldenrod: "#eee8aa",
+    palegreen: "#98fb98",
+    paleturquoise: "#afeeee",
+    palevioletred: "#db7093",
+    papayawhip: "#ffefd5",
+    peachpuff: "#ffdab9",
+    peru: "#cd853f",
+    pink: "#ffc0cb",
+    plum: "#dda0dd",
+    powderblue: "#b0e0e6",
+    purple: "#800080",
+    red: "#ff0000",
+    rosybrown: "#bc8f8f",
+    royalblue: "#4169e1",
+    saddlebrown: "#8b4513",
+    salmon: "#fa8072",
+    sandybrown: "#f4a460",
+    seagreen: "#2e8b57",
+    seashell: "#fff5ee",
+    sienna: "#a0522d",
+    silver: "#c0c0c0",
+    skyblue: "#87ceeb",
+    slateblue: "#6a5acd",
+    slategray: "#708090",
+    slategrey: "#708090",
+    snow: "#fffafa",
+    springgreen: "#00ff7f",
+    steelblue: "#4682b4",
+    tan: "#d2b48c",
+    teal: "#008080",
+    thistle: "#d8bfd8",
+    tomato: "#ff6347",
+    turquoise: "#40e0d0",
+    violet: "#ee82ee",
+    wheat: "#f5deb3",
+    white: "#ffffff",
+    whitesmoke: "#f5f5f5",
+    yellow: "#ffff00",
+    yellowgreen: "#9acd32"
+};
+
+MochiKit.Base._exportSymbols(this, MochiKit.Color);
diff --git a/frontend/gamma/js/MochiKit/DOM.js b/frontend/gamma/js/MochiKit/DOM.js
new file mode 100644
index 0000000..af5d46f
--- a/dev/null
+++ b/frontend/gamma/js/MochiKit/DOM.js
@@ -0,0 +1,1144 @@
+/***
+
+MochiKit.DOM 1.5
+
+See <http://mochikit.com/> for documentation, downloads, license, etc.
+
+(c) 2005 Bob Ippolito.  All rights Reserved.
+
+***/
+
+MochiKit.Base._module('DOM', '1.5', ['Base']);
+
+MochiKit.Base.update(MochiKit.DOM, {
+
+    /** @id MochiKit.DOM.currentWindow */
+    currentWindow: function () {
+        return MochiKit.DOM._window;
+    },
+
+    /** @id MochiKit.DOM.currentDocument */
+    currentDocument: function () {
+        return MochiKit.DOM._document;
+    },
+
+    /** @id MochiKit.DOM.withWindow */
+    withWindow: function (win, func) {
+        var self = MochiKit.DOM;
+        var oldDoc = self._document;
+        var oldWin = self._window;
+        var rval;
+        try {
+            self._window = win;
+            self._document = win.document;
+            rval = func();
+        } catch (e) {
+            self._window = oldWin;
+            self._document = oldDoc;
+            throw e;
+        }
+        self._window = oldWin;
+        self._document = oldDoc;
+        return rval;
+    },
+
+    /** @id MochiKit.DOM.formContents  */
+    formContents: function (elem/* = document.body */) {
+        var names = [];
+        var values = [];
+        var m = MochiKit.Base;
+        var self = MochiKit.DOM;
+        if (typeof(elem) == "undefined" || elem === null) {
+            elem = self._document.body;
+        } else {
+            elem = self.getElement(elem);
+        }
+        m.nodeWalk(elem, function (elem) {
+            var name = elem.name;
+            if (m.isNotEmpty(name)) {
+                var tagName = elem.tagName.toUpperCase();
+                if (tagName === "INPUT"
+                    && (elem.type == "radio" || elem.type == "checkbox")
+                    && !elem.checked
+                ) {
+                    return null;
+                }
+                if (tagName === "SELECT") {
+                    if (elem.type == "select-one") {
+                        if (elem.selectedIndex >= 0) {
+                            var opt = elem.options[elem.selectedIndex];
+                            var v = opt.value;
+                            if (!v) {
+                                var h = opt.outerHTML;
+                                // internet explorer sure does suck.
+                                if (h && !h.match(/^[^>]+\svalue\s*=/i)) {
+                                    v = opt.text;
+                                }
+                            }
+                            names.push(name);
+                            values.push(v);
+                            return null;
+                        }
+                        // no form elements?
+                        names.push(name);
+                        values.push("");
+                        return null;
+                    } else {
+                        var opts = elem.options;
+                        if (!opts.length) {
+                            names.push(name);
+                            values.push("");
+                            return null;
+                        }
+                        for (var i = 0; i < opts.length; i++) {
+                            var opt = opts[i];
+                            if (!opt.selected) {
+                                continue;
+                            }
+                            var v = opt.value;
+                            if (!v) {
+                                var h = opt.outerHTML;
+                                // internet explorer sure does suck.
+                                if (h && !h.match(/^[^>]+\svalue\s*=/i)) {
+                                    v = opt.text;
+                                }
+                            }
+                            names.push(name);
+                            values.push(v);
+                        }
+                        return null;
+                    }
+                }
+                if (tagName === "FORM" || tagName === "P" || tagName === "SPAN"
+                    || tagName === "DIV"
+                ) {
+                    return elem.childNodes;
+                }
+                names.push(name);
+                values.push(elem.value || '');
+                return null;
+            }
+            return elem.childNodes;
+        });
+        return [names, values];
+    },
+
+    /** @id MochiKit.DOM.withDocument */
+    withDocument: function (doc, func) {
+        var self = MochiKit.DOM;
+        var oldDoc = self._document;
+        var rval;
+        try {
+            self._document = doc;
+            rval = func();
+        } catch (e) {
+            self._document = oldDoc;
+            throw e;
+        }
+        self._document = oldDoc;
+        return rval;
+    },
+
+    /** @id MochiKit.DOM.registerDOMConverter */
+    registerDOMConverter: function (name, check, wrap, /* optional */override) {
+        MochiKit.DOM.domConverters.register(name, check, wrap, override);
+    },
+
+    /** @id MochiKit.DOM.coerceToDOM */
+    coerceToDOM: function (node, ctx) {
+        var m = MochiKit.Base;
+        var im = MochiKit.Iter;
+        var self = MochiKit.DOM;
+        if (im) {
+            var iter = im.iter;
+            var repeat = im.repeat;
+        }
+        var map = m.map;
+        var domConverters = self.domConverters;
+        var coerceToDOM = arguments.callee;
+        var NotFound = m.NotFound;
+        while (true) {
+            if (typeof(node) == 'undefined' || node === null) {
+                return null;
+            }
+            // this is a safari childNodes object, avoiding crashes w/ attr
+            // lookup
+            if (typeof(node) == "function" &&
+                    typeof(node.length) == "number" &&
+                    !(node instanceof Function)) {
+                node = im ? im.list(node) : m.extend(null, node);
+            }
+            if (typeof(node.nodeType) != 'undefined' && node.nodeType > 0) {
+                return node;
+            }
+            if (typeof(node) == 'number' || typeof(node) == 'boolean') {
+                node = node.toString();
+                // FALL THROUGH
+            }
+            if (typeof(node) == 'string') {
+                return self._document.createTextNode(node);
+            }
+            if (typeof(node.__dom__) == 'function') {
+                node = node.__dom__(ctx);
+                continue;
+            }
+            if (typeof(node.dom) == 'function') {
+                node = node.dom(ctx);
+                continue;
+            }
+            if (typeof(node) == 'function') {
+                node = node.apply(ctx, [ctx]);
+                continue;
+            }
+
+            if (im) {
+                // iterable
+                var iterNodes = null;
+                try {
+                    iterNodes = iter(node);
+                } catch (e) {
+                    // pass
+                }
+                if (iterNodes) {
+                    return map(coerceToDOM, iterNodes, repeat(ctx));
+                }
+            } else if (m.isArrayLike(node)) {
+                var func = function (n) { return coerceToDOM(n, ctx); };
+                return map(func, node);
+            }
+
+            // adapter
+            try {
+                node = domConverters.match(node, ctx);
+                continue;
+            } catch (e) {
+                if (e != NotFound) {
+                    throw e;
+                }
+            }
+
+            // fallback
+            return self._document.createTextNode(node.toString());
+        }
+        // mozilla warnings aren't too bright
+        return undefined;
+    },
+
+    /** @id MochiKit.DOM.isChildNode */
+    isChildNode: function (node, maybeparent) {
+        var self = MochiKit.DOM;
+        if (typeof(node) == "string") {
+            node = self.getElement(node);
+        }
+        if (typeof(maybeparent) == "string") {
+            maybeparent = self.getElement(maybeparent);
+        }
+        if (typeof(node) == 'undefined' || node === null) {
+            return false;
+        }
+        while (node != null && node !== self._document) {
+            if (node === maybeparent) {
+                return true;
+            }
+            node = node.parentNode;
+        }
+        return false;
+    },
+
+    /** @id MochiKit.DOM.setNodeAttribute */
+    setNodeAttribute: function (node, attr, value) {
+        var o = {};
+        o[attr] = value;
+        try {
+            return MochiKit.DOM.updateNodeAttributes(node, o);
+        } catch (e) {
+            // pass
+        }
+        return null;
+    },
+
+    /** @id MochiKit.DOM.getNodeAttribute */
+    getNodeAttribute: function (node, attr) {
+        var self = MochiKit.DOM;
+        var rename = self.attributeArray.renames[attr];
+        var ignoreValue = self.attributeArray.ignoreAttr[attr];
+        node = self.getElement(node);
+        try {
+            if (rename) {
+                return node[rename];
+            }
+            var value = node.getAttribute(attr);
+            if (value != ignoreValue) {
+                return value;
+            }
+        } catch (e) {
+            // pass
+        }
+        return null;
+    },
+
+    /** @id MochiKit.DOM.removeNodeAttribute */
+    removeNodeAttribute: function (node, attr) {
+        var self = MochiKit.DOM;
+        var rename = self.attributeArray.renames[attr];
+        node = self.getElement(node);
+        try {
+            if (rename) {
+                return node[rename];
+            }
+            return node.removeAttribute(attr);
+        } catch (e) {
+            // pass
+        }
+        return null;
+    },
+
+    /** @id MochiKit.DOM.updateNodeAttributes */
+    updateNodeAttributes: function (node, attrs) {
+        var elem = node;
+        var self = MochiKit.DOM;
+        if (typeof(node) == 'string') {
+            elem = self.getElement(node);
+        }
+        if (attrs) {
+            var updatetree = MochiKit.Base.updatetree;
+            if (self.attributeArray.compliant) {
+                // not IE, good.
+                for (var k in attrs) {
+                    var v = attrs[k];
+                    if (typeof(v) == 'object' && typeof(elem[k]) == 'object') {
+                        if (k == "style" && MochiKit.Style) {
+                            MochiKit.Style.setStyle(elem, v);
+                        } else {
+                            updatetree(elem[k], v);
+                        }
+                    } else if (k.substring(0, 2) == "on") {
+                        if (typeof(v) == "string") {
+                            v = new Function(v);
+                        }
+                        elem[k] = v;
+                    } else {
+                        elem.setAttribute(k, v);
+                    }
+                    if (typeof(elem[k]) == "string" && elem[k] != v) {
+                        // Also set property for weird attributes (see #302)
+                        elem[k] = v;
+                    }
+                }
+            } else {
+                // IE is insane in the membrane
+                var renames = self.attributeArray.renames;
+                for (var k in attrs) {
+                    v = attrs[k];
+                    var renamed = renames[k];
+                    if (k == "style" && typeof(v) == "string") {
+                        elem.style.cssText = v;
+                    } else if (typeof(renamed) == "string") {
+                        elem[renamed] = v;
+                    } else if (typeof(elem[k]) == 'object'
+                            && typeof(v) == 'object') {
+                        if (k == "style" && MochiKit.Style) {
+                            MochiKit.Style.setStyle(elem, v);
+                        } else {
+                            updatetree(elem[k], v);
+                        }
+                    } else if (k.substring(0, 2) == "on") {
+                        if (typeof(v) == "string") {
+                            v = new Function(v);
+                        }
+                        elem[k] = v;
+                    } else {
+                        elem.setAttribute(k, v);
+                    }
+                    if (typeof(elem[k]) == "string" && elem[k] != v) {
+                        // Also set property for weird attributes (see #302)
+                        elem[k] = v;
+                    }
+                }
+            }
+        }
+        return elem;
+    },
+
+    /** @id MochiKit.DOM.appendChildNodes */
+    appendChildNodes: function (node/*, nodes...*/) {
+        var elem = node;
+        var self = MochiKit.DOM;
+        if (typeof(node) == 'string') {
+            elem = self.getElement(node);
+        }
+        var nodeStack = [
+            self.coerceToDOM(
+                MochiKit.Base.extend(null, arguments, 1),
+                elem
+            )
+        ];
+        var concat = MochiKit.Base.concat;
+        while (nodeStack.length) {
+            var n = nodeStack.shift();
+            if (typeof(n) == 'undefined' || n === null) {
+                // pass
+            } else if (typeof(n.nodeType) == 'number') {
+                elem.appendChild(n);
+            } else {
+                nodeStack = concat(n, nodeStack);
+            }
+        }
+        return elem;
+    },
+
+
+    /** @id MochiKit.DOM.insertSiblingNodesBefore */
+    insertSiblingNodesBefore: function (node/*, nodes...*/) {
+        var elem = node;
+        var self = MochiKit.DOM;
+        if (typeof(node) == 'string') {
+            elem = self.getElement(node);
+        }
+        var nodeStack = [
+            self.coerceToDOM(
+                MochiKit.Base.extend(null, arguments, 1),
+                elem
+            )
+        ];
+        var parentnode = elem.parentNode;
+        var concat = MochiKit.Base.concat;
+        while (nodeStack.length) {
+            var n = nodeStack.shift();
+            if (typeof(n) == 'undefined' || n === null) {
+                // pass
+            } else if (typeof(n.nodeType) == 'number') {
+                parentnode.insertBefore(n, elem);
+            } else {
+                nodeStack = concat(n, nodeStack);
+            }
+        }
+        return parentnode;
+    },
+
+    /** @id MochiKit.DOM.insertSiblingNodesAfter */
+    insertSiblingNodesAfter: function (node/*, nodes...*/) {
+        var elem = node;
+        var self = MochiKit.DOM;
+
+        if (typeof(node) == 'string') {
+            elem = self.getElement(node);
+        }
+        var nodeStack = [
+            self.coerceToDOM(
+                MochiKit.Base.extend(null, arguments, 1),
+                elem
+            )
+        ];
+
+        if (elem.nextSibling) {
+            return self.insertSiblingNodesBefore(elem.nextSibling, nodeStack);
+        }
+        else {
+            return self.appendChildNodes(elem.parentNode, nodeStack);
+        }
+    },
+
+    /** @id MochiKit.DOM.replaceChildNodes */
+    replaceChildNodes: function (node/*, nodes...*/) {
+        var elem = node;
+        var self = MochiKit.DOM;
+        if (typeof(node) == 'string') {
+            elem = self.getElement(node);
+            arguments[0] = elem;
+        }
+        var child;
+        while ((child = elem.firstChild)) {
+            elem.removeChild(child);
+        }
+        if (arguments.length < 2) {
+            return elem;
+        } else {
+            return self.appendChildNodes.apply(this, arguments);
+        }
+    },
+
+    /** @id MochiKit.DOM.createDOM */
+    createDOM: function (name, attrs/*, nodes... */) {
+        var elem;
+        var self = MochiKit.DOM;
+        var m = MochiKit.Base;
+        if (typeof(attrs) == "string" || typeof(attrs) == "number") {
+            var args = m.extend([name, null], arguments, 1);
+            return arguments.callee.apply(this, args);
+        }
+        if (typeof(name) == 'string') {
+            // Internet Explorer is dumb
+            var xhtml = self._xhtml;
+            if (attrs && !self.attributeArray.compliant) {
+                // http://msdn.microsoft.com/workshop/author/dhtml/reference/properties/name_2.asp
+                var contents = "";
+                if ('name' in attrs) {
+                    contents += ' name="' + self.escapeHTML(attrs.name) + '"';
+                }
+                if (name == 'input' && 'type' in attrs) {
+                    contents += ' type="' + self.escapeHTML(attrs.type) + '"';
+                }
+                if (contents) {
+                    name = "<" + name + contents + ">";
+                    xhtml = false;
+                }
+            }
+            var d = self._document;
+            if (xhtml && d === document) {
+                elem = d.createElementNS("http://www.w3.org/1999/xhtml", name);
+            } else {
+                elem = d.createElement(name);
+            }
+        } else {
+            elem = name;
+        }
+        if (attrs) {
+            self.updateNodeAttributes(elem, attrs);
+        }
+        if (arguments.length <= 2) {
+            return elem;
+        } else {
+            var args = m.extend([elem], arguments, 2);
+            return self.appendChildNodes.apply(this, args);
+        }
+    },
+
+    /** @id MochiKit.DOM.createDOMFunc */
+    createDOMFunc: function (/* tag, attrs, *nodes */) {
+        var m = MochiKit.Base;
+        return m.partial.apply(
+            this,
+            m.extend([MochiKit.DOM.createDOM], arguments)
+        );
+    },
+
+    /** @id MochiKit.DOM.removeElement */
+    removeElement: function (elem) {
+        var self = MochiKit.DOM;
+        if (typeof(elem) == "string") {
+            elem = self.getElement(elem);
+        }
+        var e = self.coerceToDOM(elem);
+        e.parentNode.removeChild(e);
+        return e;
+    },
+
+    /** @id MochiKit.DOM.swapDOM */
+    swapDOM: function (dest, src) {
+        var self = MochiKit.DOM;
+        dest = self.getElement(dest);
+        var parent = dest.parentNode;
+        if (src) {
+            if (typeof(src) == "string") {
+                src = self.getElement(src);
+            }
+            src = self.coerceToDOM(src, parent);
+            parent.replaceChild(src, dest);
+        } else {
+            parent.removeChild(dest);
+        }
+        return src;
+    },
+
+    /** @id MochiKit.DOM.getElement */
+    getElement: function (id) {
+        var self = MochiKit.DOM;
+        if (arguments.length == 1) {
+            return ((typeof(id) == "string") ?
+                self._document.getElementById(id) : id);
+        } else {
+            return MochiKit.Base.map(self.getElement, arguments);
+        }
+    },
+
+    /** @id MochiKit.DOM.getElementsByTagAndClassName */
+    getElementsByTagAndClassName: function (tagName, className,
+            /* optional */parent) {
+        var self = MochiKit.DOM;
+        if (typeof(tagName) == 'undefined' || tagName === null) {
+            tagName = '*';
+        }
+        if (typeof(parent) == 'undefined' || parent === null) {
+            parent = self._document;
+        }
+        parent = self.getElement(parent);
+        if (parent == null) {
+            return [];
+        }
+        var children = (parent.getElementsByTagName(tagName)
+            || self._document.all);
+        if (typeof(className) == 'undefined' || className === null) {
+            return MochiKit.Base.extend(null, children);
+        }
+
+        var elements = [];
+        for (var i = 0; i < children.length; i++) {
+            var child = children[i];
+            var cls = child.className;
+            if (typeof(cls) != "string") {
+                cls = child.getAttribute("class");
+            }
+            if (typeof(cls) == "string") {
+                var classNames = cls.split(' ');
+                for (var j = 0; j < classNames.length; j++) {
+                    if (classNames[j] == className) {
+                        elements.push(child);
+                        break;
+                    }
+                }
+            }
+        }
+
+        return elements;
+    },
+
+    _newCallStack: function (path, once) {
+        var rval = function () {
+            var callStack = arguments.callee.callStack;
+            for (var i = 0; i < callStack.length; i++) {
+                if (callStack[i].apply(this, arguments) === false) {
+                    break;
+                }
+            }
+            if (once) {
+                try {
+                    this[path] = null;
+                } catch (e) {
+                    // pass
+                }
+            }
+        };
+        rval.callStack = [];
+        return rval;
+    },
+
+    /** @id MochiKit.DOM.addToCallStack */
+    addToCallStack: function (target, path, func, once) {
+        var self = MochiKit.DOM;
+        var existing = target[path];
+        var regfunc = existing;
+        if (!(typeof(existing) == 'function'
+                && typeof(existing.callStack) == "object"
+                && existing.callStack !== null)) {
+            regfunc = self._newCallStack(path, once);
+            if (typeof(existing) == 'function') {
+                regfunc.callStack.push(existing);
+            }
+            target[path] = regfunc;
+        }
+        regfunc.callStack.push(func);
+    },
+
+    /** @id MochiKit.DOM.addLoadEvent */
+    addLoadEvent: function (func) {
+        var self = MochiKit.DOM;
+        self.addToCallStack(self._window, "onload", func, true);
+
+    },
+
+    /** @id MochiKit.DOM.focusOnLoad */
+    focusOnLoad: function (element) {
+        var self = MochiKit.DOM;
+        self.addLoadEvent(function () {
+            element = self.getElement(element);
+            if (element) {
+                element.focus();
+            }
+        });
+    },
+
+    /** @id MochiKit.DOM.setElementClass */
+    setElementClass: function (element, className) {
+        var self = MochiKit.DOM;
+        var obj = self.getElement(element);
+        if (self.attributeArray.compliant) {
+            obj.setAttribute("class", className);
+        } else {
+            obj.setAttribute("className", className);
+        }
+    },
+
+    /** @id MochiKit.DOM.toggleElementClass */
+    toggleElementClass: function (className/*, element... */) {
+        var self = MochiKit.DOM;
+        for (var i = 1; i < arguments.length; i++) {
+            var obj = self.getElement(arguments[i]);
+            if (!self.addElementClass(obj, className)) {
+                self.removeElementClass(obj, className);
+            }
+        }
+    },
+
+    /** @id MochiKit.DOM.addElementClass */
+    addElementClass: function (element, className) {
+        var self = MochiKit.DOM;
+        var obj = self.getElement(element);
+        var cls = obj.className;
+        if (typeof(cls) != "string") {
+            cls = obj.getAttribute("class");
+        }
+        // trivial case, no className yet
+        if (typeof(cls) != "string" || cls.length === 0) {
+            self.setElementClass(obj, className);
+            return true;
+        }
+        // the other trivial case, already set as the only class
+        if (cls == className) {
+            return false;
+        }
+        var classes = cls.split(" ");
+        for (var i = 0; i < classes.length; i++) {
+            // already present
+            if (classes[i] == className) {
+                return false;
+            }
+        }
+        // append class
+        self.setElementClass(obj, cls + " " + className);
+        return true;
+    },
+
+    /** @id MochiKit.DOM.removeElementClass */
+    removeElementClass: function (element, className) {
+        var self = MochiKit.DOM;
+        var obj = self.getElement(element);
+        var cls = obj.className;
+        if (typeof(cls) != "string") {
+            cls = obj.getAttribute("class");
+        }
+        // trivial case, no className yet
+        if (typeof(cls) != "string" || cls.length === 0) {
+            return false;
+        }
+        // other trivial case, set only to className
+        if (cls == className) {
+            self.setElementClass(obj, "");
+            return true;
+        }
+        var classes = cls.split(" ");
+        for (var i = 0; i < classes.length; i++) {
+            // already present
+            if (classes[i] == className) {
+                // only check sane case where the class is used once
+                classes.splice(i, 1);
+                self.setElementClass(obj, classes.join(" "));
+                return true;
+            }
+        }
+        // not found
+        return false;
+    },
+
+    /** @id MochiKit.DOM.swapElementClass */
+    swapElementClass: function (element, fromClass, toClass) {
+        var obj = MochiKit.DOM.getElement(element);
+        var res = MochiKit.DOM.removeElementClass(obj, fromClass);
+        if (res) {
+            MochiKit.DOM.addElementClass(obj, toClass);
+        }
+        return res;
+    },
+
+    /** @id MochiKit.DOM.hasElementClass */
+    hasElementClass: function (element, className/*...*/) {
+        var obj = MochiKit.DOM.getElement(element);
+        if (obj == null) {
+            return false;
+        }
+        var cls = obj.className;
+        if (typeof(cls) != "string" && typeof(obj.getAttribute) == "function") {
+            cls = obj.getAttribute("class");
+        }
+        if (typeof(cls) != "string") {
+            return false;
+        }
+        var classes = cls.split(" ");
+        for (var i = 1; i < arguments.length; i++) {
+            var good = false;
+            for (var j = 0; j < classes.length; j++) {
+                if (classes[j] == arguments[i]) {
+                    good = true;
+                    break;
+                }
+            }
+            if (!good) {
+                return false;
+            }
+        }
+        return true;
+    },
+
+    /** @id MochiKit.DOM.escapeHTML */
+    escapeHTML: function (s) {
+        return s.replace(/&/g, "&amp;"
+            ).replace(/"/g, "&quot;"
+            ).replace(/</g, "&lt;"
+            ).replace(/>/g, "&gt;");
+    },
+
+    /** @id MochiKit.DOM.toHTML */
+    toHTML: function (dom) {
+        return MochiKit.DOM.emitHTML(dom).join("");
+    },
+
+    /** @id MochiKit.DOM.emitHTML */
+    emitHTML: function (dom, /* optional */lst) {
+        if (typeof(lst) == 'undefined' || lst === null) {
+            lst = [];
+        }
+        // queue is the call stack, we're doing this non-recursively
+        var queue = [dom];
+        var self = MochiKit.DOM;
+        var escapeHTML = self.escapeHTML;
+        var attributeArray = self.attributeArray;
+        while (queue.length) {
+            dom = queue.pop();
+            if (typeof(dom) == 'string') {
+                lst.push(dom);
+            } else if (dom.nodeType == 1) {
+                // we're not using higher order stuff here
+                // because safari has heisenbugs.. argh.
+                //
+                // I think it might have something to do with
+                // garbage collection and function calls.
+                lst.push('<' + dom.tagName.toLowerCase());
+                var attributes = [];
+                var domAttr = attributeArray(dom);
+                for (var i = 0; i < domAttr.length; i++) {
+                    var a = domAttr[i];
+                    attributes.push([
+                        " ",
+                        a.name,
+                        '="',
+                        escapeHTML(a.value),
+                        '"'
+                    ]);
+                }
+                attributes.sort();
+                for (i = 0; i < attributes.length; i++) {
+                    var attrs = attributes[i];
+                    for (var j = 0; j < attrs.length; j++) {
+                        lst.push(attrs[j]);
+                    }
+                }
+                if (dom.hasChildNodes()) {
+                    lst.push(">");
+                    // queue is the FILO call stack, so we put the close tag
+                    // on first
+                    queue.push("</" + dom.tagName.toLowerCase() + ">");
+                    var cnodes = dom.childNodes;
+                    for (i = cnodes.length - 1; i >= 0; i--) {
+                        queue.push(cnodes[i]);
+                    }
+                } else {
+                    lst.push('/>');
+                }
+            } else if (dom.nodeType == 3) {
+                lst.push(escapeHTML(dom.nodeValue));
+            }
+        }
+        return lst;
+    },
+
+    /** @id MochiKit.DOM.scrapeText */
+    scrapeText: function (node, /* optional */asArray) {
+        var rval = [];
+        (function (node) {
+            var cn = node.childNodes;
+            if (cn) {
+                for (var i = 0; i < cn.length; i++) {
+                    arguments.callee.call(this, cn[i]);
+                }
+            }
+            var nodeValue = node.nodeValue;
+            if (typeof(nodeValue) == 'string') {
+                rval.push(nodeValue);
+            }
+        })(MochiKit.DOM.getElement(node));
+        if (asArray) {
+            return rval;
+        } else {
+            return rval.join("");
+        }
+    },
+
+    /** @id MochiKit.DOM.removeEmptyTextNodes */
+    removeEmptyTextNodes: function (element) {
+        element = MochiKit.DOM.getElement(element);
+        for (var i = 0; i < element.childNodes.length; i++) {
+            var node = element.childNodes[i];
+            if (node.nodeType == 3 && !/\S/.test(node.nodeValue)) {
+                node.parentNode.removeChild(node);
+            }
+        }
+    },
+
+    /** @id MochiKit.DOM.getFirstElementByTagAndClassName */
+    getFirstElementByTagAndClassName: function (tagName, className,
+            /* optional */parent) {
+        var self = MochiKit.DOM;
+        if (typeof(tagName) == 'undefined' || tagName === null) {
+            tagName = '*';
+        }
+        if (typeof(parent) == 'undefined' || parent === null) {
+            parent = self._document;
+        }
+        parent = self.getElement(parent);
+        if (parent == null) {
+            return null;
+        }
+        var children = (parent.getElementsByTagName(tagName)
+            || self._document.all);
+        if (children.length <= 0) {
+            return null;
+        } else if (typeof(className) == 'undefined' || className === null) {
+            return children[0];
+        }
+
+        for (var i = 0; i < children.length; i++) {
+            var child = children[i];
+            var cls = child.className;
+            if (typeof(cls) != "string") {
+                cls = child.getAttribute("class");
+            }
+            if (typeof(cls) == "string") {
+                var classNames = cls.split(' ');
+                for (var j = 0; j < classNames.length; j++) {
+                    if (classNames[j] == className) {
+                        return child;
+                    }
+                }
+            }
+        }
+        return null;
+    },
+
+    /** @id MochiKit.DOM.getFirstParentByTagAndClassName */
+    getFirstParentByTagAndClassName: function (elem, tagName, className) {
+        var self = MochiKit.DOM;
+        elem = self.getElement(elem);
+        if (typeof(tagName) == 'undefined' || tagName === null) {
+            tagName = '*';
+        } else {
+            tagName = tagName.toUpperCase();
+        }
+        if (typeof(className) == 'undefined' || className === null) {
+            className = null;
+        }
+        if (elem) {
+            elem = elem.parentNode;
+        }
+        while (elem && elem.tagName) {
+            var curTagName = elem.tagName.toUpperCase();
+            if ((tagName === '*' || tagName == curTagName) &&
+                (className === null || self.hasElementClass(elem, className))) {
+                return elem;
+            }
+            elem = elem.parentNode;
+        }
+        return null;
+    },
+
+    __new__: function (win) {
+
+        var m = MochiKit.Base;
+        if (typeof(document) != "undefined") {
+            this._document = document;
+            var kXULNSURI = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
+            this._xhtml = (document.documentElement &&
+                document.createElementNS &&
+                document.documentElement.namespaceURI === kXULNSURI);
+        } else if (MochiKit.MockDOM) {
+            this._document = MochiKit.MockDOM.document;
+        }
+        this._window = win;
+
+        this.domConverters = new m.AdapterRegistry();
+
+        var __tmpElement = this._document.createElement("span");
+        var attributeArray;
+        if (__tmpElement && __tmpElement.attributes &&
+                __tmpElement.attributes.length > 0) {
+            // for braindead browsers (IE) that insert extra junk
+            var filter = m.filter;
+            attributeArray = function (node) {
+                /***
+
+                    Return an array of attributes for a given node,
+                    filtering out attributes that don't belong for
+                    that are inserted by "Certain Browsers".
+
+                ***/
+                return filter(attributeArray.ignoreAttrFilter, node.attributes);
+            };
+            attributeArray.ignoreAttr = {};
+            var attrs = __tmpElement.attributes;
+            var ignoreAttr = attributeArray.ignoreAttr;
+            for (var i = 0; i < attrs.length; i++) {
+                var a = attrs[i];
+                ignoreAttr[a.name] = a.value;
+            }
+            attributeArray.ignoreAttrFilter = function (a) {
+                return (attributeArray.ignoreAttr[a.name] != a.value);
+            };
+            attributeArray.compliant = false;
+            attributeArray.renames = {
+                "class": "className",
+                "checked": "defaultChecked",
+                "usemap": "useMap",
+                "for": "htmlFor",
+                "readonly": "readOnly",
+                "colspan": "colSpan",
+                "bgcolor": "bgColor",
+                "cellspacing": "cellSpacing",
+                "cellpadding": "cellPadding"
+            };
+        } else {
+            attributeArray = function (node) {
+                return node.attributes;
+            };
+            attributeArray.compliant = true;
+            attributeArray.ignoreAttr = {};
+            attributeArray.renames = {};
+        }
+        attributeArray.__export__ = false;
+        this.attributeArray = attributeArray;
+
+        // Backwards compatibility aliases
+        /** @id MochiKit.DOM.computedStyle  */
+        m._deprecated(this, 'computedStyle', 'MochiKit.Style.getStyle', '1.4');
+        /** @id MochiKit.DOM.elementDimensions  */
+        m._deprecated(this, 'elementDimensions', 'MochiKit.Style.getElementDimensions', '1.4');
+        /** @id MochiKit.DOM.elementPosition  */
+        m._deprecated(this, 'elementPosition', 'MochiKit.Style.getElementPosition', '1.4');
+        /** @id MochiKit.DOM.getViewportDimensions */
+        m._deprecated(this, 'getViewportDimensions', 'MochiKit.Style.getViewportDimensions', '1.4');
+        /** @id MochiKit.DOM.hideElement */
+        m._deprecated(this, 'hideElement', 'MochiKit.Style.hideElement', '1.4');
+        /** @id MochiKit.DOM.makeClipping */
+        m._deprecated(this, 'makeClipping', 'MochiKit.Style.makeClipping', '1.4.1');
+        /** @id MochiKit.DOM.makePositioned */
+        m._deprecated(this, 'makePositioned', 'MochiKit.Style.makePositioned', '1.4.1');
+        /** @id MochiKit.DOM.setElementDimensions */
+        m._deprecated(this, 'setElementDimensions', 'MochiKit.Style.setElementDimensions', '1.4');
+        /** @id MochiKit.DOM.setElementPosition */
+        m._deprecated(this, 'setElementPosition', 'MochiKit.Style.setElementPosition', '1.4');
+        /** @id MochiKit.DOM.setDisplayForElement */
+        m._deprecated(this, 'setDisplayForElement', 'MochiKit.Style.setDisplayForElement', '1.4');
+        /** @id MochiKit.DOM.setOpacity */
+        m._deprecated(this, 'setOpacity', 'MochiKit.Style.setOpacity', '1.4');
+        /** @id MochiKit.DOM.showElement */
+        m._deprecated(this, 'showElement', 'MochiKit.Style.showElement', '1.4');
+        /** @id MochiKit.DOM.undoClipping */
+        m._deprecated(this, 'undoClipping', 'MochiKit.Style.undoClipping', '1.4.1');
+        /** @id MochiKit.DOM.undoPositioned */
+        m._deprecated(this, 'undoPositioned', 'MochiKit.Style.undoPositioned', '1.4.1');
+        /** @id MochiKit.DOM.Coordinates */
+        m._deprecated(this, 'Coordinates', 'MochiKit.Style.Coordinates', '1.4');
+        /** @id MochiKit.DOM.Dimensions */
+        m._deprecated(this, 'Dimensions', 'MochiKit.Style.Dimensions', '1.4');
+
+        // shorthand for createDOM syntax
+        var createDOMFunc = this.createDOMFunc;
+        /** @id MochiKit.DOM.UL */
+        this.UL = createDOMFunc("ul");
+        /** @id MochiKit.DOM.OL */
+        this.OL = createDOMFunc("ol");
+        /** @id MochiKit.DOM.LI */
+        this.LI = createDOMFunc("li");
+        /** @id MochiKit.DOM.DL */
+        this.DL = createDOMFunc("dl");
+        /** @id MochiKit.DOM.DT */
+        this.DT = createDOMFunc("dt");
+        /** @id MochiKit.DOM.DD */
+        this.DD = createDOMFunc("dd");
+        /** @id MochiKit.DOM.TD */
+        this.TD = createDOMFunc("td");
+        /** @id MochiKit.DOM.TR */
+        this.TR = createDOMFunc("tr");
+        /** @id MochiKit.DOM.TBODY */
+        this.TBODY = createDOMFunc("tbody");
+        /** @id MochiKit.DOM.THEAD */
+        this.THEAD = createDOMFunc("thead");
+        /** @id MochiKit.DOM.TFOOT */
+        this.TFOOT = createDOMFunc("tfoot");
+        /** @id MochiKit.DOM.TABLE */
+        this.TABLE = createDOMFunc("table");
+        /** @id MochiKit.DOM.TH */
+        this.TH = createDOMFunc("th");
+        /** @id MochiKit.DOM.INPUT */
+        this.INPUT = createDOMFunc("input");
+        /** @id MochiKit.DOM.SPAN */
+        this.SPAN = createDOMFunc("span");
+        /** @id MochiKit.DOM.A */
+        this.A = createDOMFunc("a");
+        /** @id MochiKit.DOM.DIV */
+        this.DIV = createDOMFunc("div");
+        /** @id MochiKit.DOM.IMG */
+        this.IMG = createDOMFunc("img");
+        /** @id MochiKit.DOM.BUTTON */
+        this.BUTTON = createDOMFunc("button");
+        /** @id MochiKit.DOM.TT */
+        this.TT = createDOMFunc("tt");
+        /** @id MochiKit.DOM.PRE */
+        this.PRE = createDOMFunc("pre");
+        /** @id MochiKit.DOM.H1 */
+        this.H1 = createDOMFunc("h1");
+        /** @id MochiKit.DOM.H2 */
+        this.H2 = createDOMFunc("h2");
+        /** @id MochiKit.DOM.H3 */
+        this.H3 = createDOMFunc("h3");
+        /** @id MochiKit.DOM.H4 */
+        this.H4 = createDOMFunc("h4");
+        /** @id MochiKit.DOM.H5 */
+        this.H5 = createDOMFunc("h5");
+        /** @id MochiKit.DOM.H6 */
+        this.H6 = createDOMFunc("h6");
+        /** @id MochiKit.DOM.BR */
+        this.BR = createDOMFunc("br");
+        /** @id MochiKit.DOM.HR */
+        this.HR = createDOMFunc("hr");
+        /** @id MochiKit.DOM.LABEL */
+        this.LABEL = createDOMFunc("label");
+        /** @id MochiKit.DOM.TEXTAREA */
+        this.TEXTAREA = createDOMFunc("textarea");
+        /** @id MochiKit.DOM.FORM */
+        this.FORM = createDOMFunc("form");
+        /** @id MochiKit.DOM.P */
+        this.P = createDOMFunc("p");
+        /** @id MochiKit.DOM.SELECT */
+        this.SELECT = createDOMFunc("select");
+        /** @id MochiKit.DOM.OPTION */
+        this.OPTION = createDOMFunc("option");
+        /** @id MochiKit.DOM.OPTGROUP */
+        this.OPTGROUP = createDOMFunc("optgroup");
+        /** @id MochiKit.DOM.LEGEND */
+        this.LEGEND = createDOMFunc("legend");
+        /** @id MochiKit.DOM.FIELDSET */
+        this.FIELDSET = createDOMFunc("fieldset");
+        /** @id MochiKit.DOM.STRONG */
+        this.STRONG = createDOMFunc("strong");
+        /** @id MochiKit.DOM.CANVAS */
+        this.CANVAS = createDOMFunc("canvas");
+
+        /** @id MochiKit.DOM.$ */
+        this.$ = this.getElement;
+
+        m.nameFunctions(this);
+
+    }
+});
+
+
+MochiKit.DOM.__new__(((typeof(window) == "undefined") ? this : window));
+
+//
+// XXX: Internet Explorer blows
+//
+if (MochiKit.__export__) {
+    withWindow = MochiKit.DOM.withWindow;
+    withDocument = MochiKit.DOM.withDocument;
+}
+
+MochiKit.Base._exportSymbols(this, MochiKit.DOM);
diff --git a/frontend/gamma/js/MochiKit/DateTime.js b/frontend/gamma/js/MochiKit/DateTime.js
new file mode 100644
index 0000000..c7b2d25
--- a/dev/null
+++ b/frontend/gamma/js/MochiKit/DateTime.js
@@ -0,0 +1,173 @@
+/***
+
+MochiKit.DateTime 1.5
+
+See <http://mochikit.com/> for documentation, downloads, license, etc.
+
+(c) 2005 Bob Ippolito.  All rights Reserved.
+
+***/
+
+MochiKit.Base._module('DateTime', '1.5', ['Base']);
+
+/** @id MochiKit.DateTime.isoDate */
+MochiKit.DateTime.isoDate = function (str) {
+    str = str + "";
+    if (typeof(str) != "string" || str.length === 0) {
+        return null;
+    }
+    var iso = str.split('-');
+    if (iso.length === 0) {
+        return null;
+    }
+        var date = new Date(iso[0], iso[1] - 1, iso[2]);
+        date.setFullYear(iso[0]);
+        date.setMonth(iso[1] - 1);
+        date.setDate(iso[2]);
+    return date;
+};
+
+MochiKit.DateTime._isoRegexp = /(\d{4,})(?:-(\d{1,2})(?:-(\d{1,2})(?:[T ](\d{1,2}):(\d{1,2})(?::(\d{1,2})(?:\.(\d+))?)?(?:(Z)|([+-])(\d{1,2})(?::(\d{1,2}))?)?)?)?)?/;
+
+/** @id MochiKit.DateTime.isoTimestamp */
+MochiKit.DateTime.isoTimestamp = function (str) {
+    str = str + "";
+    if (typeof(str) != "string" || str.length === 0) {
+        return null;
+    }
+    var res = str.match(MochiKit.DateTime._isoRegexp);
+    if (typeof(res) == "undefined" || res === null) {
+        return null;
+    }
+    var year, month, day, hour, min, sec, msec;
+    year = parseInt(res[1], 10);
+    if (typeof(res[2]) == "undefined" || res[2] === '') {
+        return new Date(year);
+    }
+    month = parseInt(res[2], 10) - 1;
+    day = parseInt(res[3], 10);
+    if (typeof(res[4]) == "undefined" || res[4] === '') {
+        return new Date(year, month, day);
+    }
+    hour = parseInt(res[4], 10);
+    min = parseInt(res[5], 10);
+    sec = (typeof(res[6]) != "undefined" && res[6] !== '') ? parseInt(res[6], 10) : 0;
+    if (typeof(res[7]) != "undefined" && res[7] !== '') {
+        msec = Math.round(1000.0 * parseFloat("0." + res[7]));
+    } else {
+        msec = 0;
+    }
+    if ((typeof(res[8]) == "undefined" || res[8] === '') && (typeof(res[9]) == "undefined" || res[9] === '')) {
+        return new Date(year, month, day, hour, min, sec, msec);
+    }
+    var ofs;
+    if (typeof(res[9]) != "undefined" && res[9] !== '') {
+        ofs = parseInt(res[10], 10) * 3600000;
+        if (typeof(res[11]) != "undefined" && res[11] !== '') {
+            ofs += parseInt(res[11], 10) * 60000;
+        }
+        if (res[9] == "-") {
+            ofs = -ofs;
+        }
+    } else {
+        ofs = 0;
+    }
+    return new Date(Date.UTC(year, month, day, hour, min, sec, msec) - ofs);
+};
+
+/** @id MochiKit.DateTime.toISOTime */
+MochiKit.DateTime.toISOTime = function (date, realISO/* = false */) {
+    if (typeof(date) == "undefined" || date === null) {
+        return null;
+    }
+    var hh = date.getHours();
+    var mm = date.getMinutes();
+    var ss = date.getSeconds();
+    var lst = [
+        ((realISO && (hh < 10)) ? "0" + hh : hh),
+        ((mm < 10) ? "0" + mm : mm),
+        ((ss < 10) ? "0" + ss : ss)
+    ];
+    return lst.join(":");
+};
+
+/** @id MochiKit.DateTime.toISOTimeStamp */
+MochiKit.DateTime.toISOTimestamp = function (date, realISO/* = false*/) {
+    if (typeof(date) == "undefined" || date === null) {
+        return null;
+    }
+    var sep = realISO ? "T" : " ";
+    var foot = realISO ? "Z" : "";
+    if (realISO) {
+        date = new Date(date.getTime() + (date.getTimezoneOffset() * 60000));
+    }
+    return MochiKit.DateTime.toISODate(date) + sep + MochiKit.DateTime.toISOTime(date, realISO) + foot;
+};
+
+/** @id MochiKit.DateTime.toISODate */
+MochiKit.DateTime.toISODate = function (date) {
+    if (typeof(date) == "undefined" || date === null) {
+        return null;
+    }
+    var _padTwo = MochiKit.DateTime._padTwo;
+        var _padFour = MochiKit.DateTime._padFour;
+    return [
+        _padFour(date.getFullYear()),
+        _padTwo(date.getMonth() + 1),
+        _padTwo(date.getDate())
+    ].join("-");
+};
+
+/** @id MochiKit.DateTime.americanDate */
+MochiKit.DateTime.americanDate = function (d) {
+    d = d + "";
+    if (typeof(d) != "string" || d.length === 0) {
+        return null;
+    }
+    var a = d.split('/');
+    return new Date(a[2], a[0] - 1, a[1]);
+};
+
+MochiKit.DateTime._padTwo = function (n) {
+    return (n > 9) ? n : "0" + n;
+};
+
+MochiKit.DateTime._padFour = function(n) {
+        switch(n.toString().length) {
+                case 1: return "000" + n; break;
+                case 2: return "00" + n; break;
+                case 3: return "0" + n; break;
+                case 4:
+                default:
+                        return n;
+        }
+};
+
+/** @id MochiKit.DateTime.toPaddedAmericanDate */
+MochiKit.DateTime.toPaddedAmericanDate = function (d) {
+    if (typeof(d) == "undefined" || d === null) {
+        return null;
+    }
+    var _padTwo = MochiKit.DateTime._padTwo;
+    return [
+        _padTwo(d.getMonth() + 1),
+        _padTwo(d.getDate()),
+        d.getFullYear()
+    ].join('/');
+};
+
+/** @id MochiKit.DateTime.toAmericanDate */
+MochiKit.DateTime.toAmericanDate = function (d) {
+    if (typeof(d) == "undefined" || d === null) {
+        return null;
+    }
+    return [d.getMonth() + 1, d.getDate(), d.getFullYear()].join('/');
+};
+
+MochiKit.DateTime.__new__ = function () {
+    MochiKit.Base.nameFunctions(this);
+};
+
+MochiKit.DateTime.__new__();
+
+MochiKit.Base._exportSymbols(this, MochiKit.DateTime);
diff --git a/frontend/gamma/js/MochiKit/DragAndDrop.js b/frontend/gamma/js/MochiKit/DragAndDrop.js
new file mode 100644
index 0000000..62777c5
--- a/dev/null
+++ b/frontend/gamma/js/MochiKit/DragAndDrop.js
@@ -0,0 +1,766 @@
+/***
+MochiKit.DragAndDrop 1.5
+
+See <http://mochikit.com/> for documentation, downloads, license, etc.
+
+Copyright (c) 2005 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
+    Mochi-ized By Thomas Herve (_firstname_@nimail.org)
+
+***/
+
+MochiKit.Base._module('DragAndDrop', '1.5', ['Base', 'Iter', 'DOM', 'Signal', 'Visual', 'Position']);
+
+MochiKit.DragAndDrop.Droppables = {
+    /***
+
+    Manage all droppables. Shouldn't be used, use the Droppable object instead.
+
+    ***/
+    drops: [],
+
+    remove: function (element) {
+        this.drops = MochiKit.Base.filter(function (d) {
+            return d.element != MochiKit.DOM.getElement(element);
+        }, this.drops);
+    },
+
+    register: function (drop) {
+        this.drops.push(drop);
+    },
+
+    unregister: function (drop) {
+        this.drops = MochiKit.Base.filter(function (d) {
+            return d != drop;
+        }, this.drops);
+    },
+
+    prepare: function (element) {
+        MochiKit.Base.map(function (drop) {
+            if (drop.isAccepted(element)) {
+                if (drop.options.activeclass) {
+                    MochiKit.DOM.addElementClass(drop.element,
+                                                 drop.options.activeclass);
+                }
+                drop.options.onactive(drop.element, element);
+            }
+        }, this.drops);
+    },
+
+    findDeepestChild: function (drops) {
+        var deepest = drops[0];
+
+        for (var i = 1; i < drops.length; ++i) {
+            if (MochiKit.DOM.isChildNode(drops[i].element, deepest.element)) {
+                deepest = drops[i];
+            }
+        }
+        return deepest;
+    },
+
+    show: function (point, element) {
+        if (!this.drops.length) {
+            return;
+        }
+        var affected = [];
+
+        if (this.last_active) {
+            this.last_active.deactivate();
+        }
+        MochiKit.Iter.forEach(this.drops, function (drop) {
+            if (drop.isAffected(point, element)) {
+                affected.push(drop);
+            }
+        });
+        if (affected.length > 0) {
+            var drop = this.findDeepestChild(affected);
+            MochiKit.Position.within(drop.element, point.page.x, point.page.y);
+            drop.options.onhover(element, drop.element,
+                MochiKit.Position.overlap(drop.options.overlap, drop.element));
+            drop.activate();
+        }
+    },
+
+    fire: function (event, element) {
+        if (!this.last_active) {
+            return;
+        }
+        MochiKit.Position.prepare();
+
+        if (this.last_active.isAffected(event.mouse(), element)) {
+            this.last_active.options.ondrop(element,
+               this.last_active.element, event);
+        }
+    },
+
+    reset: function (element) {
+        MochiKit.Base.map(function (drop) {
+            if (drop.options.activeclass) {
+                MochiKit.DOM.removeElementClass(drop.element,
+                                                drop.options.activeclass);
+            }
+            drop.options.ondesactive(drop.element, element);
+        }, this.drops);
+        if (this.last_active) {
+            this.last_active.deactivate();
+        }
+    }
+};
+
+/** @id MochiKit.DragAndDrop.Droppable */
+MochiKit.DragAndDrop.Droppable = function (element, options) {
+    var cls = arguments.callee;
+    if (!(this instanceof cls)) {
+        return new cls(element, options);
+    }
+    this.__init__(element, options);
+};
+
+MochiKit.DragAndDrop.Droppable.prototype = {
+    /***
+
+    A droppable object. Simple use is to create giving an element:
+
+        new MochiKit.DragAndDrop.Droppable('myelement');
+
+    Generally you'll want to define the 'ondrop' function and maybe the
+    'accept' option to filter draggables.
+
+    ***/
+    __class__: MochiKit.DragAndDrop.Droppable,
+
+    __init__: function (element, /* optional */options) {
+        var d = MochiKit.DOM;
+        var b = MochiKit.Base;
+        this.element = d.getElement(element);
+        this.options = b.update({
+
+            /** @id MochiKit.DragAndDrop.greedy */
+            greedy: true,
+
+            /** @id MochiKit.DragAndDrop.hoverclass */
+            hoverclass: null,
+
+            /** @id MochiKit.DragAndDrop.activeclass */
+            activeclass: null,
+
+            /** @id MochiKit.DragAndDrop.hoverfunc */
+            hoverfunc: b.noop,
+
+            /** @id MochiKit.DragAndDrop.accept */
+            accept: null,
+
+            /** @id MochiKit.DragAndDrop.onactive */
+            onactive: b.noop,
+
+            /** @id MochiKit.DragAndDrop.ondesactive */
+            ondesactive: b.noop,
+
+            /** @id MochiKit.DragAndDrop.onhover */
+            onhover: b.noop,
+
+            /** @id MochiKit.DragAndDrop.ondrop */
+            ondrop: b.noop,
+
+            /** @id MochiKit.DragAndDrop.containment */
+            containment: [],
+            tree: false
+        }, options);
+
+        // cache containers
+        this.options._containers = [];
+        b.map(MochiKit.Base.bind(function (c) {
+            this.options._containers.push(d.getElement(c));
+        }, this), this.options.containment);
+
+        MochiKit.Style.makePositioned(this.element); // fix IE
+
+        MochiKit.DragAndDrop.Droppables.register(this);
+    },
+
+    /** @id MochiKit.DragAndDrop.isContained */
+    isContained: function (element) {
+        if (this.options._containers.length) {
+            var containmentNode;
+            if (this.options.tree) {
+                containmentNode = element.treeNode;
+            } else {
+                containmentNode = element.parentNode;
+            }
+            return MochiKit.Iter.some(this.options._containers, function (c) {
+                return containmentNode == c;
+            });
+        } else {
+            return true;
+        }
+    },
+
+    /** @id MochiKit.DragAndDrop.isAccepted */
+    isAccepted: function (element) {
+        return ((!this.options.accept) || MochiKit.Iter.some(
+          this.options.accept, function (c) {
+            return MochiKit.DOM.hasElementClass(element, c);
+        }));
+    },
+
+    /** @id MochiKit.DragAndDrop.isAffected */
+    isAffected: function (point, element) {
+        return ((this.element != element) &&
+                this.isContained(element) &&
+                this.isAccepted(element) &&
+                MochiKit.Position.within(this.element, point.page.x,
+                                                       point.page.y));
+    },
+
+    /** @id MochiKit.DragAndDrop.deactivate */
+    deactivate: function () {
+        /***
+
+        A droppable is deactivate when a draggable has been over it and left.
+
+        ***/
+        if (this.options.hoverclass) {
+            MochiKit.DOM.removeElementClass(this.element,
+                                            this.options.hoverclass);
+        }
+        this.options.hoverfunc(this.element, false);
+        MochiKit.DragAndDrop.Droppables.last_active = null;
+    },
+
+    /** @id MochiKit.DragAndDrop.activate */
+    activate: function () {
+        /***
+
+        A droppable is active when a draggable is over it.
+
+        ***/
+        if (this.options.hoverclass) {
+            MochiKit.DOM.addElementClass(this.element, this.options.hoverclass);
+        }
+        this.options.hoverfunc(this.element, true);
+        MochiKit.DragAndDrop.Droppables.last_active = this;
+    },
+
+    /** @id MochiKit.DragAndDrop.destroy */
+    destroy: function () {
+        /***
+
+        Delete this droppable.
+
+        ***/
+        MochiKit.DragAndDrop.Droppables.unregister(this);
+    },
+
+    /** @id MochiKit.DragAndDrop.repr */
+    repr: function () {
+        return '[' + this.__class__.NAME + ", options:" + MochiKit.Base.repr(this.options) + "]";
+    }
+};
+
+MochiKit.DragAndDrop.Draggables = {
+    /***
+
+    Manage draggables elements. Not intended to direct use.
+
+    ***/
+    drags: [],
+
+    register: function (draggable) {
+        if (this.drags.length === 0) {
+            var conn = MochiKit.Signal.connect;
+            this.eventMouseUp = conn(document, 'onmouseup', this, this.endDrag);
+            this.eventMouseMove = conn(document, 'onmousemove', this,
+                                       this.updateDrag);
+            this.eventKeypress = conn(document, 'onkeypress', this,
+                                      this.keyPress);
+        }
+        this.drags.push(draggable);
+    },
+
+    unregister: function (draggable) {
+        this.drags = MochiKit.Base.filter(function (d) {
+            return d != draggable;
+        }, this.drags);
+        if (this.drags.length === 0) {
+            var disc = MochiKit.Signal.disconnect;
+            disc(this.eventMouseUp);
+            disc(this.eventMouseMove);
+            disc(this.eventKeypress);
+        }
+    },
+
+    activate: function (draggable) {
+        // allows keypress events if window is not currently focused
+        // fails for Safari
+        window.focus();
+        this.activeDraggable = draggable;
+    },
+
+    deactivate: function () {
+        this.activeDraggable = null;
+    },
+
+    updateDrag: function (event) {
+        if (!this.activeDraggable) {
+            return;
+        }
+        var pointer = event.mouse();
+        // Mozilla-based browsers fire successive mousemove events with
+        // the same coordinates, prevent needless redrawing (moz bug?)
+        if (this._lastPointer && (MochiKit.Base.repr(this._lastPointer.page) ==
+                                  MochiKit.Base.repr(pointer.page))) {
+            return;
+        }
+        this._lastPointer = pointer;
+        this.activeDraggable.updateDrag(event, pointer);
+    },
+
+    endDrag: function (event) {
+        if (!this.activeDraggable) {
+            return;
+        }
+        this._lastPointer = null;
+        this.activeDraggable.endDrag(event);
+        this.activeDraggable = null;
+    },
+
+    keyPress: function (event) {
+        if (this.activeDraggable) {
+            this.activeDraggable.keyPress(event);
+        }
+    },
+
+    notify: function (eventName, draggable, event) {
+        MochiKit.Signal.signal(this, eventName, draggable, event);
+    }
+};
+
+/** @id MochiKit.DragAndDrop.Draggable */
+MochiKit.DragAndDrop.Draggable = function (element, options) {
+    var cls = arguments.callee;
+    if (!(this instanceof cls)) {
+        return new cls(element, options);
+    }
+    this.__init__(element, options);
+};
+
+MochiKit.DragAndDrop.Draggable.prototype = {
+    /***
+
+    A draggable object. Simple instantiate :
+
+        new MochiKit.DragAndDrop.Draggable('myelement');
+
+    ***/
+    __class__ : MochiKit.DragAndDrop.Draggable,
+
+    __init__: function (element, /* optional */options) {
+        var v = MochiKit.Visual;
+        var b = MochiKit.Base;
+        options = b.update({
+
+            /** @id MochiKit.DragAndDrop.handle */
+            handle: false,
+
+            /** @id MochiKit.DragAndDrop.starteffect */
+            starteffect: function (innerelement) {
+                this._savedOpacity = MochiKit.Style.getStyle(innerelement, 'opacity') || 1.0;
+                new v.Opacity(innerelement, {duration:0.2, from:this._savedOpacity, to:0.7});
+            },
+            /** @id MochiKit.DragAndDrop.reverteffect */
+            reverteffect: function (innerelement, top_offset, left_offset) {
+                var dur = Math.sqrt(Math.abs(top_offset^2) +
+                          Math.abs(left_offset^2))*0.02;
+                return new v.Move(innerelement,
+                            {x: -left_offset, y: -top_offset, duration: dur});
+            },
+
+            /** @id MochiKit.DragAndDrop.endeffect */
+            endeffect: function (innerelement) {
+                new v.Opacity(innerelement, {duration:0.2, from:0.7, to:this._savedOpacity});
+            },
+
+            /** @id MochiKit.DragAndDrop.onchange */
+            onchange: b.noop,
+
+            /** @id MochiKit.DragAndDrop.zindex */
+            zindex: 1000,
+
+            /** @id MochiKit.DragAndDrop.revert */
+            revert: false,
+
+            /** @id MochiKit.DragAndDrop.scroll */
+            scroll: false,
+
+            /** @id MochiKit.DragAndDrop.scrollSensitivity */
+            scrollSensitivity: 20,
+
+            /** @id MochiKit.DragAndDrop.scrollSpeed */
+            scrollSpeed: 15,
+            // false, or xy or [x, y] or function (x, y){return [x, y];}
+
+            /** @id MochiKit.DragAndDrop.snap */
+            snap: false
+        }, options);
+
+        var d = MochiKit.DOM;
+        this.element = d.getElement(element);
+
+        if (options.handle && (typeof(options.handle) == 'string')) {
+            this.handle = d.getFirstElementByTagAndClassName(null,
+                                       options.handle, this.element);
+        }
+        if (!this.handle) {
+            this.handle = d.getElement(options.handle);
+        }
+        if (!this.handle) {
+            this.handle = this.element;
+        }
+
+        if (options.scroll && !options.scroll.scrollTo && !options.scroll.outerHTML) {
+            options.scroll = d.getElement(options.scroll);
+            this._isScrollChild = MochiKit.DOM.isChildNode(this.element, options.scroll);
+        }
+
+        MochiKit.Style.makePositioned(this.element);  // fix IE
+
+        this.delta = this.currentDelta();
+        this.options = options;
+        this.dragging = false;
+
+        this.eventMouseDown = MochiKit.Signal.connect(this.handle,
+                              'onmousedown', this, this.initDrag);
+        MochiKit.DragAndDrop.Draggables.register(this);
+    },
+
+    /** @id MochiKit.DragAndDrop.destroy */
+    destroy: function () {
+        MochiKit.Signal.disconnect(this.eventMouseDown);
+        MochiKit.DragAndDrop.Draggables.unregister(this);
+    },
+
+    /** @id MochiKit.DragAndDrop.currentDelta */
+    currentDelta: function () {
+        var s = MochiKit.Style.getStyle;
+        return [
+          parseInt(s(this.element, 'left') || '0'),
+          parseInt(s(this.element, 'top') || '0')];
+    },
+
+    /** @id MochiKit.DragAndDrop.initDrag */
+    initDrag: function (event) {
+        if (!event.mouse().button.left) {
+            return;
+        }
+        // abort on form elements, fixes a Firefox issue
+        var src = event.target();
+        var tagName = (src.tagName || '').toUpperCase();
+        if (tagName === 'INPUT' || tagName === 'SELECT' ||
+            tagName === 'OPTION' || tagName === 'BUTTON' ||
+            tagName === 'TEXTAREA') {
+            return;
+        }
+
+        if (this._revert) {
+            this._revert.cancel();
+            this._revert = null;
+        }
+
+        var pointer = event.mouse();
+        var pos = MochiKit.Position.cumulativeOffset(this.element);
+        this.offset = [pointer.page.x - pos.x, pointer.page.y - pos.y];
+
+        MochiKit.DragAndDrop.Draggables.activate(this);
+        event.stop();
+    },
+
+    /** @id MochiKit.DragAndDrop.startDrag */
+    startDrag: function (event) {
+        this.dragging = true;
+        if (this.options.selectclass) {
+            MochiKit.DOM.addElementClass(this.element,
+                                         this.options.selectclass);
+        }
+        if (this.options.zindex) {
+            this.originalZ = parseInt(MochiKit.Style.getStyle(this.element,
+                                      'z-index') || '0');
+            this.element.style.zIndex = this.options.zindex;
+        }
+
+        if (this.options.ghosting) {
+            this._clone = this.element.cloneNode(true);
+            this.ghostPosition = MochiKit.Position.absolutize(this.element);
+            this.element.parentNode.insertBefore(this._clone, this.element);
+        }
+
+        if (this.options.scroll) {
+            if (this.options.scroll == window) {
+                var where = this._getWindowScroll(this.options.scroll);
+                this.originalScrollLeft = where.left;
+                this.originalScrollTop = where.top;
+            } else {
+                this.originalScrollLeft = this.options.scroll.scrollLeft;
+                this.originalScrollTop = this.options.scroll.scrollTop;
+            }
+        }
+
+        MochiKit.DragAndDrop.Droppables.prepare(this.element);
+        MochiKit.DragAndDrop.Draggables.notify('start', this, event);
+        if (this.options.starteffect) {
+            this.options.starteffect(this.element);
+        }
+    },
+
+    /** @id MochiKit.DragAndDrop.updateDrag */
+    updateDrag: function (event, pointer) {
+        if (!this.dragging) {
+            this.startDrag(event);
+        }
+        MochiKit.Position.prepare();
+        MochiKit.DragAndDrop.Droppables.show(pointer, this.element);
+        MochiKit.DragAndDrop.Draggables.notify('drag', this, event);
+        this.draw(pointer);
+        this.options.onchange(this);
+
+        if (this.options.scroll) {
+            this.stopScrolling();
+            var p, q;
+            if (this.options.scroll == window) {
+                var s = this._getWindowScroll(this.options.scroll);
+                p = new MochiKit.Style.Coordinates(s.left, s.top);
+                q = new MochiKit.Style.Coordinates(s.left + s.width,
+                                                   s.top + s.height);
+            } else {
+                p = MochiKit.Position.page(this.options.scroll);
+                p.x += this.options.scroll.scrollLeft;
+                p.y += this.options.scroll.scrollTop;
+                p.x += (window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft || 0);
+                p.y += (window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop || 0);
+                q = new MochiKit.Style.Coordinates(p.x + this.options.scroll.offsetWidth,
+                                                   p.y + this.options.scroll.offsetHeight);
+            }
+            var speed = [0, 0];
+            if (pointer.page.x > (q.x - this.options.scrollSensitivity)) {
+                speed[0] = pointer.page.x - (q.x - this.options.scrollSensitivity);
+            } else if (pointer.page.x < (p.x + this.options.scrollSensitivity)) {
+                speed[0] = pointer.page.x - (p.x + this.options.scrollSensitivity);
+            }
+            if (pointer.page.y > (q.y - this.options.scrollSensitivity)) {
+                speed[1] = pointer.page.y - (q.y - this.options.scrollSensitivity);
+            } else if (pointer.page.y < (p.y + this.options.scrollSensitivity)) {
+                speed[1] = pointer.page.y - (p.y + this.options.scrollSensitivity);
+            }
+            this.startScrolling(speed);
+        }
+
+        // fix AppleWebKit rendering
+        if (/AppleWebKit/.test(navigator.appVersion)) {
+            window.scrollBy(0, 0);
+        }
+        event.stop();
+    },
+
+    /** @id MochiKit.DragAndDrop.finishDrag */
+    finishDrag: function (event, success) {
+        var dr = MochiKit.DragAndDrop;
+        this.dragging = false;
+        if (this.options.selectclass) {
+            MochiKit.DOM.removeElementClass(this.element,
+                                            this.options.selectclass);
+        }
+
+        if (this.options.ghosting) {
+            // XXX: from a user point of view, it would be better to remove
+            // the node only *after* the MochiKit.Visual.Move end when used
+            // with revert.
+            MochiKit.Position.relativize(this.element, this.ghostPosition);
+            MochiKit.DOM.removeElement(this._clone);
+            this._clone = null;
+        }
+
+        if (success) {
+            dr.Droppables.fire(event, this.element);
+        }
+        dr.Draggables.notify('end', this, event);
+
+        var revert = this.options.revert;
+        if (revert && typeof(revert) == 'function') {
+            revert = revert(this.element);
+        }
+
+        var d = this.currentDelta();
+        if (revert && this.options.reverteffect) {
+            this._revert = this.options.reverteffect(this.element,
+                d[1] - this.delta[1], d[0] - this.delta[0]);
+        } else {
+            this.delta = d;
+        }
+
+        if (this.options.zindex) {
+            this.element.style.zIndex = this.originalZ;
+        }
+
+        if (this.options.endeffect) {
+            this.options.endeffect(this.element);
+        }
+
+        dr.Draggables.deactivate();
+        dr.Droppables.reset(this.element);
+    },
+
+    /** @id MochiKit.DragAndDrop.keyPress */
+    keyPress: function (event) {
+        if (event.key().string != "KEY_ESCAPE") {
+            return;
+        }
+        this.finishDrag(event, false);
+        event.stop();
+    },
+
+    /** @id MochiKit.DragAndDrop.endDrag */
+    endDrag: function (event) {
+        if (!this.dragging) {
+            return;
+        }
+        this.stopScrolling();
+        this.finishDrag(event, true);
+        event.stop();
+    },
+
+    /** @id MochiKit.DragAndDrop.draw */
+    draw: function (point) {
+        var pos = MochiKit.Position.cumulativeOffset(this.element);
+        var d = this.currentDelta();
+        pos.x -= d[0];
+        pos.y -= d[1];
+
+        if (this.options.scroll && (this.options.scroll != window && this._isScrollChild)) {
+            pos.x -= this.options.scroll.scrollLeft - this.originalScrollLeft;
+            pos.y -= this.options.scroll.scrollTop - this.originalScrollTop;
+        }
+
+        var p = [point.page.x - pos.x - this.offset[0],
+                 point.page.y - pos.y - this.offset[1]];
+
+        if (this.options.snap) {
+            if (typeof(this.options.snap) == 'function') {
+                p = this.options.snap(p[0], p[1]);
+            } else {
+                if (this.options.snap instanceof Array) {
+                    var i = -1;
+                    p = MochiKit.Base.map(MochiKit.Base.bind(function (v) {
+                            i += 1;
+                            return Math.round(v/this.options.snap[i]) *
+                                   this.options.snap[i];
+                        }, this), p);
+                } else {
+                    p = MochiKit.Base.map(MochiKit.Base.bind(function (v) {
+                        return Math.round(v/this.options.snap) *
+                               this.options.snap;
+                        }, this), p);
+                }
+            }
+        }
+        var style = this.element.style;
+        if ((!this.options.constraint) ||
+            (this.options.constraint == 'horizontal')) {
+            style.left = p[0] + 'px';
+        }
+        if ((!this.options.constraint) ||
+            (this.options.constraint == 'vertical')) {
+            style.top = p[1] + 'px';
+        }
+        if (style.visibility == 'hidden') {
+            style.visibility = '';  // fix gecko rendering
+        }
+    },
+
+    /** @id MochiKit.DragAndDrop.stopScrolling */
+    stopScrolling: function () {
+        if (this.scrollInterval) {
+            clearInterval(this.scrollInterval);
+            this.scrollInterval = null;
+            MochiKit.DragAndDrop.Draggables._lastScrollPointer = null;
+        }
+    },
+
+    /** @id MochiKit.DragAndDrop.startScrolling */
+    startScrolling: function (speed) {
+        if (!speed[0] && !speed[1]) {
+            return;
+        }
+        this.scrollSpeed = [speed[0] * this.options.scrollSpeed,
+                            speed[1] * this.options.scrollSpeed];
+        this.lastScrolled = new Date();
+        this.scrollInterval = setInterval(MochiKit.Base.bind(this.scroll, this), 10);
+    },
+
+    /** @id MochiKit.DragAndDrop.scroll */
+    scroll: function () {
+        var current = new Date();
+        var delta = current - this.lastScrolled;
+        this.lastScrolled = current;
+
+        if (this.options.scroll == window) {
+            var s = this._getWindowScroll(this.options.scroll);
+            if (this.scrollSpeed[0] || this.scrollSpeed[1]) {
+                var dm = delta / 1000;
+                this.options.scroll.scrollTo(s.left + dm * this.scrollSpeed[0],
+                                             s.top + dm * this.scrollSpeed[1]);
+            }
+        } else {
+            this.options.scroll.scrollLeft += this.scrollSpeed[0] * delta / 1000;
+            this.options.scroll.scrollTop += this.scrollSpeed[1] * delta / 1000;
+        }
+
+        var d = MochiKit.DragAndDrop;
+
+        MochiKit.Position.prepare();
+        d.Droppables.show(d.Draggables._lastPointer, this.element);
+        d.Draggables.notify('drag', this);
+        if (this._isScrollChild) {
+            d.Draggables._lastScrollPointer = d.Draggables._lastScrollPointer || d.Draggables._lastPointer;
+            d.Draggables._lastScrollPointer.x += this.scrollSpeed[0] * delta / 1000;
+            d.Draggables._lastScrollPointer.y += this.scrollSpeed[1] * delta / 1000;
+            if (d.Draggables._lastScrollPointer.x < 0) {
+                d.Draggables._lastScrollPointer.x = 0;
+            }
+            if (d.Draggables._lastScrollPointer.y < 0) {
+                d.Draggables._lastScrollPointer.y = 0;
+            }
+            this.draw(d.Draggables._lastScrollPointer);
+        }
+
+        this.options.onchange(this);
+    },
+
+    _getWindowScroll: function (win) {
+        var vp, w, h;
+        MochiKit.DOM.withWindow(win, function () {
+            vp = MochiKit.Style.getViewportPosition(win.document);
+        });
+        if (win.innerWidth) {
+            w = win.innerWidth;
+            h = win.innerHeight;
+        } else if (win.document.documentElement && win.document.documentElement.clientWidth) {
+            w = win.document.documentElement.clientWidth;
+            h = win.document.documentElement.clientHeight;
+        } else {
+            w = win.document.body.offsetWidth;
+            h = win.document.body.offsetHeight;
+        }
+        return {top: vp.y, left: vp.x, width: w, height: h};
+    },
+
+    /** @id MochiKit.DragAndDrop.repr */
+    repr: function () {
+        return '[' + this.__class__.NAME + ", options:" + MochiKit.Base.repr(this.options) + "]";
+    }
+};
+
+MochiKit.DragAndDrop.__new__ = function () {
+    MochiKit.Base.nameFunctions(this);
+};
+
+MochiKit.DragAndDrop.__new__();
+
+MochiKit.Base._exportSymbols(this, MochiKit.DragAndDrop);
diff --git a/frontend/gamma/js/MochiKit/Format.js b/frontend/gamma/js/MochiKit/Format.js
new file mode 100644
index 0000000..122845e
--- a/dev/null
+++ b/frontend/gamma/js/MochiKit/Format.js
@@ -0,0 +1,309 @@
+/***
+
+MochiKit.Format 1.5
+
+See <http://mochikit.com/> for documentation, downloads, license, etc.
+
+(c) 2005 Bob Ippolito.  All rights Reserved.
+
+***/
+
+MochiKit.Base._module('Format', '1.5', ['Base']);
+
+MochiKit.Format._numberFormatter = function (placeholder, header, footer, locale, isPercent, precision, leadingZeros, separatorAt, trailingZeros) {
+    return function (num) {
+        num = parseFloat(num);
+        if (typeof(num) == "undefined" || num === null || isNaN(num)) {
+            return placeholder;
+        }
+        var curheader = header;
+        var curfooter = footer;
+        if (num < 0) {
+            num = -num;
+        } else {
+            curheader = curheader.replace(/-/, "");
+        }
+        var me = arguments.callee;
+        var fmt = MochiKit.Format.formatLocale(locale);
+        if (isPercent) {
+            num = num * 100.0;
+            curfooter = fmt.percent + curfooter;
+        }
+        num = MochiKit.Format.roundToFixed(num, precision);
+        var parts = num.split(/\./);
+        var whole = parts[0];
+        var frac = (parts.length == 1) ? "" : parts[1];
+        var res = "";
+        while (whole.length < leadingZeros) {
+            whole = "0" + whole;
+        }
+        if (separatorAt) {
+            while (whole.length > separatorAt) {
+                var i = whole.length - separatorAt;
+                //res = res + fmt.separator + whole.substring(i, whole.length);
+                res = fmt.separator + whole.substring(i, whole.length) + res;
+                whole = whole.substring(0, i);
+            }
+        }
+        res = whole + res;
+        if (precision > 0) {
+            while (frac.length < trailingZeros) {
+                frac = frac + "0";
+            }
+            res = res + fmt.decimal + frac;
+        }
+        return curheader + res + curfooter;
+    };
+};
+
+/** @id MochiKit.Format.numberFormatter */
+MochiKit.Format.numberFormatter = function (pattern, placeholder/* = "" */, locale/* = "default" */) {
+    // http://java.sun.com/docs/books/tutorial/i18n/format/numberpattern.html
+    // | 0 | leading or trailing zeros
+    // | # | just the number
+    // | , | separator
+    // | . | decimal separator
+    // | % | Multiply by 100 and format as percent
+    if (typeof(placeholder) == "undefined") {
+        placeholder = "";
+    }
+    var match = pattern.match(/((?:[0#]+,)?[0#]+)(?:\.([0#]+))?(%)?/);
+    if (!match) {
+        throw TypeError("Invalid pattern");
+    }
+    var header = pattern.substr(0, match.index);
+    var footer = pattern.substr(match.index + match[0].length);
+    if (header.search(/-/) == -1) {
+        header = header + "-";
+    }
+    var whole = match[1];
+    var frac = (typeof(match[2]) == "string" && match[2] != "") ? match[2] : "";
+    var isPercent = (typeof(match[3]) == "string" && match[3] != "");
+    var tmp = whole.split(/,/);
+    var separatorAt;
+    if (typeof(locale) == "undefined") {
+        locale = "default";
+    }
+    if (tmp.length == 1) {
+        separatorAt = null;
+    } else {
+        separatorAt = tmp[1].length;
+    }
+    var leadingZeros = whole.length - whole.replace(/0/g, "").length;
+    var trailingZeros = frac.length - frac.replace(/0/g, "").length;
+    var precision = frac.length;
+    var rval = MochiKit.Format._numberFormatter(
+        placeholder, header, footer, locale, isPercent, precision,
+        leadingZeros, separatorAt, trailingZeros
+    );
+    var m = MochiKit.Base;
+    if (m) {
+        var fn = arguments.callee;
+        var args = m.concat(arguments);
+        rval.repr = function () {
+            return [
+                self.NAME,
+                "(",
+                map(m.repr, args).join(", "),
+                ")"
+            ].join("");
+        };
+    }
+    return rval;
+};
+
+/** @id MochiKit.Format.formatLocale */
+MochiKit.Format.formatLocale = function (locale) {
+    if (typeof(locale) == "undefined" || locale === null) {
+        locale = "default";
+    }
+    if (typeof(locale) == "string") {
+        var rval = MochiKit.Format.LOCALE[locale];
+        if (typeof(rval) == "string") {
+            rval = arguments.callee(rval);
+            MochiKit.Format.LOCALE[locale] = rval;
+        }
+        return rval;
+    } else {
+        return locale;
+    }
+};
+
+/** @id MochiKit.Format.twoDigitAverage */
+MochiKit.Format.twoDigitAverage = function (numerator, denominator) {
+    if (denominator) {
+        var res = numerator / denominator;
+        if (!isNaN(res)) {
+            return MochiKit.Format.twoDigitFloat(res);
+        }
+    }
+    return "0";
+};
+
+/** @id MochiKit.Format.twoDigitFloat */
+MochiKit.Format.twoDigitFloat = function (aNumber) {
+    var res = roundToFixed(aNumber, 2);
+    if (res.indexOf(".00") > 0) {
+        return res.substring(0, res.length - 3);
+    } else if (res.charAt(res.length - 1) == "0") {
+        return res.substring(0, res.length - 1);
+    } else {
+        return res;
+    }
+};
+
+/** @id MochiKit.Format.lstrip */
+MochiKit.Format.lstrip = function (str, /* optional */chars) {
+    str = str + "";
+    if (typeof(str) != "string") {
+        return null;
+    }
+    if (!chars) {
+        return str.replace(/^\s+/, "");
+    } else {
+        return str.replace(new RegExp("^[" + chars + "]+"), "");
+    }
+};
+
+/** @id MochiKit.Format.rstrip */
+MochiKit.Format.rstrip = function (str, /* optional */chars) {
+    str = str + "";
+    if (typeof(str) != "string") {
+        return null;
+    }
+    if (!chars) {
+        return str.replace(/\s+$/, "");
+    } else {
+        return str.replace(new RegExp("[" + chars + "]+$"), "");
+    }
+};
+
+/** @id MochiKit.Format.strip */
+MochiKit.Format.strip = function (str, /* optional */chars) {
+    var self = MochiKit.Format;
+    return self.rstrip(self.lstrip(str, chars), chars);
+};
+
+/** @id MochiKit.Format.truncToFixed */
+MochiKit.Format.truncToFixed = function (aNumber, precision) {
+    var fixed = MochiKit.Format._numberToFixed(aNumber, precision);
+    var fracPos = fixed.indexOf(".");
+    if (fracPos > 0 && fracPos + precision + 1 < fixed.length) {
+        fixed = fixed.substring(0, fracPos + precision + 1);
+        fixed = MochiKit.Format._shiftNumber(fixed, 0);
+    }
+    return fixed;
+}
+
+/** @id MochiKit.Format.roundToFixed */
+MochiKit.Format.roundToFixed = function (aNumber, precision) {
+    var fixed = MochiKit.Format._numberToFixed(aNumber, precision);
+    var fracPos = fixed.indexOf(".");
+    if (fracPos > 0 && fracPos + precision + 1 < fixed.length) {
+        var str = MochiKit.Format._shiftNumber(fixed, precision);
+        str = MochiKit.Format._numberToFixed(Math.round(parseFloat(str)), 0);
+        fixed = MochiKit.Format._shiftNumber(str, -precision);
+    }
+    return fixed;
+}
+
+/**
+ * Converts a number to a fixed format string. This function handles
+ * conversion of exponents by shifting the decimal point to the left
+ * or the right. It also guarantees a specified minimum number of
+ * fractional digits (but no maximum).
+ *
+ * @param {Number} aNumber the number to convert
+ * @param {Number} precision the minimum number of decimal digits
+ *
+ * @return {String} the fixed format number string
+ */
+MochiKit.Format._numberToFixed = function (aNumber, precision) {
+    var str = aNumber.toString();
+    var parts = str.split(/[eE]/);
+    var exp = (parts.length === 1) ? 0 : parseInt(parts[1]) || 0;
+    var fixed = MochiKit.Format._shiftNumber(parts[0], exp);
+    parts = fixed.split(/\./);
+    var whole = parts[0];
+    var frac = (parts.length === 1) ? "" : parts[1];
+    while (frac.length < precision) {
+        frac += "0";
+    }
+    if (frac.length > 0) {
+        return whole + "." + frac;
+    } else {
+        return whole;
+    }
+}
+
+/**
+ * Shifts the decimal dot location in a fixed format number string.
+ * This function handles negative values and will add and remove
+ * leading and trailing zeros as needed.
+ *
+ * @param {String} num the fixed format number string
+ * @param {Number} exp the base-10 exponent to apply
+ *
+ * @return {String} the new fixed format number string
+ */
+MochiKit.Format._shiftNumber = function (num, exp) {
+    var pos = num.indexOf(".");
+    if (pos < 0) {
+        pos = num.length;
+    } else {
+        num = num.substring(0, pos) + num.substring(pos + 1);
+    }
+    pos += exp;
+    while (pos <= 0 || (pos <= 1 && num.charAt(0) === "-")) {
+        if (num.charAt(0) === "-") {
+            num = "-0" + num.substring(1);
+        } else {
+            num = "0" + num;
+        }
+        pos++;
+    }
+    while (pos > num.length) {
+        num += "0";
+    }
+    if (pos < num.length) {
+        num = num.substring(0, pos) + "." + num.substring(pos);
+    }
+    while (/^0[^.]/.test(num)) {
+        num = num.substring(1);
+    }
+    while (/^-0[^.]/.test(num)) {
+        num = "-" + num.substring(2);
+    }
+    return num;
+}
+
+/** @id MochiKit.Format.percentFormat */
+MochiKit.Format.percentFormat = function (aNumber) {
+    return MochiKit.Format.twoDigitFloat(100 * aNumber) + '%';
+};
+
+MochiKit.Format.LOCALE = {
+    en_US: {separator: ",", decimal: ".", percent: "%"},
+    de_DE: {separator: ".", decimal: ",", percent: "%"},
+    pt_BR: {separator: ".", decimal: ",", percent: "%"},
+    fr_FR: {separator: " ", decimal: ",", percent: "%"},
+    "default": "en_US",
+    __export__: false
+};
+
+MochiKit.Format.__new__ = function () {
+    MochiKit.Base.nameFunctions(this);
+    var base = this.NAME + ".";
+    var k, v, o;
+    for (k in this.LOCALE) {
+        o = this.LOCALE[k];
+        if (typeof(o) == "object") {
+            o.repr = function () { return this.NAME; };
+            o.NAME = base + "LOCALE." + k;
+        }
+    }
+};
+
+MochiKit.Format.__new__();
+
+MochiKit.Base._exportSymbols(this, MochiKit.Format);
diff --git a/frontend/gamma/js/MochiKit/Iter.js b/frontend/gamma/js/MochiKit/Iter.js
new file mode 100644
index 0000000..524b2bc
--- a/dev/null
+++ b/frontend/gamma/js/MochiKit/Iter.js
@@ -0,0 +1,790 @@
+/***
+
+MochiKit.Iter 1.5
+
+See <http://mochikit.com/> for documentation, downloads, license, etc.
+
+(c) 2005 Bob Ippolito.  All rights Reserved.
+
+***/
+
+MochiKit.Base._module('Iter', '1.5', ['Base']);
+
+MochiKit.Base.update(MochiKit.Iter, {
+    /** @id MochiKit.Iter.registerIteratorFactory */
+    registerIteratorFactory: function (name, check, iterfactory, /* optional */ override) {
+        MochiKit.Iter.iteratorRegistry.register(name, check, iterfactory, override);
+    },
+
+    /** @id MochiKit.Iter.isIterable */
+    isIterable: function(o) {
+        return o != null &&
+               (typeof(o.next) == "function" || typeof(o.iter) == "function");
+    },
+
+    /** @id MochiKit.Iter.iter */
+    iter: function (iterable, /* optional */ sentinel) {
+        var self = MochiKit.Iter;
+        if (arguments.length == 2) {
+            return self.takewhile(
+                function (a) { return a != sentinel; },
+                iterable
+            );
+        }
+        if (typeof(iterable.next) == 'function') {
+            return iterable;
+        } else if (typeof(iterable.iter) == 'function') {
+            return iterable.iter();
+        /*
+        }  else if (typeof(iterable.__iterator__) == 'function') {
+            //
+            // XXX: We can't support JavaScript 1.7 __iterator__ directly
+            //      because of Object.prototype.__iterator__
+            //
+            return iterable.__iterator__();
+        */
+        }
+
+        try {
+            return self.iteratorRegistry.match(iterable);
+        } catch (e) {
+            var m = MochiKit.Base;
+            if (e == m.NotFound) {
+                e = new TypeError(typeof(iterable) + ": " + m.repr(iterable) + " is not iterable");
+            }
+            throw e;
+        }
+    },
+
+    /** @id MochiKit.Iter.count */
+    count: function (n) {
+        if (!n) {
+            n = 0;
+        }
+        var m = MochiKit.Base;
+        return {
+            repr: function () { return "count(" + n + ")"; },
+            toString: m.forwardCall("repr"),
+            next: m.counter(n)
+        };
+    },
+
+    /** @id MochiKit.Iter.cycle */
+    cycle: function (p) {
+        var self = MochiKit.Iter;
+        var m = MochiKit.Base;
+        var lst = [];
+        var iterator = self.iter(p);
+        return {
+            repr: function () { return "cycle(...)"; },
+            toString: m.forwardCall("repr"),
+            next: function () {
+                try {
+                    var rval = iterator.next();
+                    lst.push(rval);
+                    return rval;
+                } catch (e) {
+                    if (e != self.StopIteration) {
+                        throw e;
+                    }
+                    if (lst.length === 0) {
+                        this.next = function () {
+                            throw self.StopIteration;
+                        };
+                    } else {
+                        var i = -1;
+                        this.next = function () {
+                            i = (i + 1) % lst.length;
+                            return lst[i];
+                        };
+                    }
+                    return this.next();
+                }
+            }
+        };
+    },
+
+    /** @id MochiKit.Iter.repeat */
+    repeat: function (elem, /* optional */n) {
+        var m = MochiKit.Base;
+        if (typeof(n) == 'undefined') {
+            return {
+                repr: function () {
+                    return "repeat(" + m.repr(elem) + ")";
+                },
+                toString: m.forwardCall("repr"),
+                next: function () {
+                    return elem;
+                }
+            };
+        }
+        return {
+            repr: function () {
+                return "repeat(" + m.repr(elem) + ", " + n + ")";
+            },
+            toString: m.forwardCall("repr"),
+            next: function () {
+                if (n <= 0) {
+                    throw MochiKit.Iter.StopIteration;
+                }
+                n -= 1;
+                return elem;
+            }
+        };
+    },
+
+    /** @id MochiKit.Iter.next */
+    next: function (iterator) {
+        return iterator.next();
+    },
+
+    /** @id MochiKit.Iter.izip */
+    izip: function (p, q/*, ...*/) {
+        var m = MochiKit.Base;
+        var self = MochiKit.Iter;
+        var next = self.next;
+        var iterables = m.map(self.iter, arguments);
+        return {
+            repr: function () { return "izip(...)"; },
+            toString: m.forwardCall("repr"),
+            next: function () { return m.map(next, iterables); }
+        };
+    },
+
+    /** @id MochiKit.Iter.ifilter */
+    ifilter: function (pred, seq) {
+        var m = MochiKit.Base;
+        seq = MochiKit.Iter.iter(seq);
+        if (pred === null) {
+            pred = m.operator.truth;
+        }
+        return {
+            repr: function () { return "ifilter(...)"; },
+            toString: m.forwardCall("repr"),
+            next: function () {
+                while (true) {
+                    var rval = seq.next();
+                    if (pred(rval)) {
+                        return rval;
+                    }
+                }
+                // mozilla warnings aren't too bright
+                return undefined;
+            }
+        };
+    },
+
+    /** @id MochiKit.Iter.ifilterfalse */
+    ifilterfalse: function (pred, seq) {
+        var m = MochiKit.Base;
+        seq = MochiKit.Iter.iter(seq);
+        if (pred === null) {
+            pred = m.operator.truth;
+        }
+        return {
+            repr: function () { return "ifilterfalse(...)"; },
+            toString: m.forwardCall("repr"),
+            next: function () {
+                while (true) {
+                    var rval = seq.next();
+                    if (!pred(rval)) {
+                        return rval;
+                    }
+                }
+                // mozilla warnings aren't too bright
+                return undefined;
+            }
+        };
+    },
+
+    /** @id MochiKit.Iter.islice */
+    islice: function (seq/*, [start,] stop[, step] */) {
+        var self = MochiKit.Iter;
+        var m = MochiKit.Base;
+        seq = self.iter(seq);
+        var start = 0;
+        var stop = 0;
+        var step = 1;
+        var i = -1;
+        if (arguments.length == 2) {
+            stop = arguments[1];
+        } else if (arguments.length == 3) {
+            start = arguments[1];
+            stop = arguments[2];
+        } else {
+            start = arguments[1];
+            stop = arguments[2];
+            step = arguments[3];
+        }
+        return {
+            repr: function () {
+                return "islice(" + ["...", start, stop, step].join(", ") + ")";
+            },
+            toString: m.forwardCall("repr"),
+            next: function () {
+                var rval;
+                while (i < start) {
+                    rval = seq.next();
+                    i++;
+                }
+                if (start >= stop) {
+                    throw self.StopIteration;
+                }
+                start += step;
+                return rval;
+            }
+        };
+    },
+
+    /** @id MochiKit.Iter.imap */
+    imap: function (fun, p, q/*, ...*/) {
+        var m = MochiKit.Base;
+        var self = MochiKit.Iter;
+        var iterables = m.map(self.iter, m.extend(null, arguments, 1));
+        var map = m.map;
+        var next = self.next;
+        return {
+            repr: function () { return "imap(...)"; },
+            toString: m.forwardCall("repr"),
+            next: function () {
+                return fun.apply(this, map(next, iterables));
+            }
+        };
+    },
+
+    /** @id MochiKit.Iter.applymap */
+    applymap: function (fun, seq, self) {
+        seq = MochiKit.Iter.iter(seq);
+        var m = MochiKit.Base;
+        return {
+            repr: function () { return "applymap(...)"; },
+            toString: m.forwardCall("repr"),
+            next: function () {
+                return fun.apply(self, seq.next());
+            }
+        };
+    },
+
+    /** @id MochiKit.Iter.chain */
+    chain: function (p, q/*, ...*/) {
+        // dumb fast path
+        var self = MochiKit.Iter;
+        var m = MochiKit.Base;
+        if (arguments.length == 1) {
+            return self.iter(arguments[0]);
+        }
+        var argiter = m.map(self.iter, arguments);
+        return {
+            repr: function () { return "chain(...)"; },
+            toString: m.forwardCall("repr"),
+            next: function () {
+                while (argiter.length > 1) {
+                    try {
+                        var result = argiter[0].next();
+                        return result;
+                    } catch (e) {
+                        if (e != self.StopIteration) {
+                            throw e;
+                        }
+                        argiter.shift();
+                        var result = argiter[0].next();
+                        return result;
+                    }
+                }
+                if (argiter.length == 1) {
+                    // optimize last element
+                    var arg = argiter.shift();
+                    this.next = m.bind("next", arg);
+                    return this.next();
+                }
+                throw self.StopIteration;
+            }
+        };
+    },
+
+    /** @id MochiKit.Iter.takewhile */
+    takewhile: function (pred, seq) {
+        var self = MochiKit.Iter;
+        seq = self.iter(seq);
+        return {
+            repr: function () { return "takewhile(...)"; },
+            toString: MochiKit.Base.forwardCall("repr"),
+            next: function () {
+                var rval = seq.next();
+                if (!pred(rval)) {
+                    this.next = function () {
+                        throw self.StopIteration;
+                    };
+                    this.next();
+                }
+                return rval;
+            }
+        };
+    },
+
+    /** @id MochiKit.Iter.dropwhile */
+    dropwhile: function (pred, seq) {
+        seq = MochiKit.Iter.iter(seq);
+        var m = MochiKit.Base;
+        var bind = m.bind;
+        return {
+            "repr": function () { return "dropwhile(...)"; },
+            "toString": m.forwardCall("repr"),
+            "next": function () {
+                while (true) {
+                    var rval = seq.next();
+                    if (!pred(rval)) {
+                        break;
+                    }
+                }
+                this.next = bind("next", seq);
+                return rval;
+            }
+        };
+    },
+
+    _tee: function (ident, sync, iterable) {
+        sync.pos[ident] = -1;
+        var m = MochiKit.Base;
+        var listMin = m.listMin;
+        return {
+            repr: function () { return "tee(" + ident + ", ...)"; },
+            toString: m.forwardCall("repr"),
+            next: function () {
+                var rval;
+                var i = sync.pos[ident];
+
+                if (i == sync.max) {
+                    rval = iterable.next();
+                    sync.deque.push(rval);
+                    sync.max += 1;
+                    sync.pos[ident] += 1;
+                } else {
+                    rval = sync.deque[i - sync.min];
+                    sync.pos[ident] += 1;
+                    if (i == sync.min && listMin(sync.pos) != sync.min) {
+                        sync.min += 1;
+                        sync.deque.shift();
+                    }
+                }
+                return rval;
+            }
+        };
+    },
+
+    /** @id MochiKit.Iter.tee */
+    tee: function (iterable, n/* = 2 */) {
+        var rval = [];
+        var sync = {
+            "pos": [],
+            "deque": [],
+            "max": -1,
+            "min": -1
+        };
+        if (arguments.length == 1 || typeof(n) == "undefined" || n === null) {
+            n = 2;
+        }
+        var self = MochiKit.Iter;
+        iterable = self.iter(iterable);
+        var _tee = self._tee;
+        for (var i = 0; i < n; i++) {
+            rval.push(_tee(i, sync, iterable));
+        }
+        return rval;
+    },
+
+    /** @id MochiKit.Iter.list */
+    list: function (iterable) {
+        // Fast-path for Array and Array-like
+        var rval;
+        if (iterable instanceof Array) {
+            return iterable.slice();
+        } 
+        // this is necessary to avoid a Safari crash
+        if (typeof(iterable) == "function" &&
+                !(iterable instanceof Function) &&
+                typeof(iterable.length) == 'number') {
+            rval = [];
+            for (var i = 0; i < iterable.length; i++) {
+                rval.push(iterable[i]);
+            }
+            return rval;
+        }
+
+        var self = MochiKit.Iter;
+        iterable = self.iter(iterable);
+        var rval = [];
+        var a_val;
+        try {
+            while (true) {
+                a_val = iterable.next();
+                rval.push(a_val);
+            }
+        } catch (e) {
+            if (e != self.StopIteration) {
+                throw e;
+            }
+            return rval;
+        }
+        // mozilla warnings aren't too bright
+        return undefined;
+    },
+
+
+    /** @id MochiKit.Iter.reduce */
+    reduce: function (fn, iterable, /* optional */initial) {
+        var i = 0;
+        var x = initial;
+        var self = MochiKit.Iter;
+        iterable = self.iter(iterable);
+        if (arguments.length < 3) {
+            try {
+                x = iterable.next();
+            } catch (e) {
+                if (e == self.StopIteration) {
+                    e = new TypeError("reduce() of empty sequence with no initial value");
+                }
+                throw e;
+            }
+            i++;
+        }
+        try {
+            while (true) {
+                x = fn(x, iterable.next());
+            }
+        } catch (e) {
+            if (e != self.StopIteration) {
+                throw e;
+            }
+        }
+        return x;
+    },
+
+    /** @id MochiKit.Iter.range */
+    range: function (/* [start,] stop[, step] */) {
+        var start = 0;
+        var stop = 0;
+        var step = 1;
+        if (arguments.length == 1) {
+            stop = arguments[0];
+        } else if (arguments.length == 2) {
+            start = arguments[0];
+            stop = arguments[1];
+        } else if (arguments.length == 3) {
+            start = arguments[0];
+            stop = arguments[1];
+            step = arguments[2];
+        } else {
+            throw new TypeError("range() takes 1, 2, or 3 arguments!");
+        }
+        if (step === 0) {
+            throw new TypeError("range() step must not be 0");
+        }
+        return {
+            next: function () {
+                if ((step > 0 && start >= stop) || (step < 0 && start <= stop)) {
+                    throw MochiKit.Iter.StopIteration;
+                }
+                var rval = start;
+                start += step;
+                return rval;
+            },
+            repr: function () {
+                return "range(" + [start, stop, step].join(", ") + ")";
+            },
+            toString: MochiKit.Base.forwardCall("repr")
+        };
+    },
+
+    /** @id MochiKit.Iter.sum */
+    sum: function (iterable, start/* = 0 */) {
+        if (typeof(start) == "undefined" || start === null) {
+            start = 0;
+        }
+        var x = start;
+        var self = MochiKit.Iter;
+        iterable = self.iter(iterable);
+        try {
+            while (true) {
+                x += iterable.next();
+            }
+        } catch (e) {
+            if (e != self.StopIteration) {
+                throw e;
+            }
+        }
+        return x;
+    },
+
+    /** @id MochiKit.Iter.exhaust */
+    exhaust: function (iterable) {
+        var self = MochiKit.Iter;
+        iterable = self.iter(iterable);
+        try {
+            while (true) {
+                iterable.next();
+            }
+        } catch (e) {
+            if (e != self.StopIteration) {
+                throw e;
+            }
+        }
+    },
+
+    /** @id MochiKit.Iter.forEach */
+    forEach: function (iterable, func, /* optional */obj) {
+        var m = MochiKit.Base;
+        var self = MochiKit.Iter;
+        if (arguments.length > 2) {
+            func = m.bind(func, obj);
+        }
+        // fast path for array
+        if (m.isArrayLike(iterable) && !self.isIterable(iterable)) {
+            try {
+                for (var i = 0; i < iterable.length; i++) {
+                    func(iterable[i]);
+                }
+            } catch (e) {
+                if (e != self.StopIteration) {
+                    throw e;
+                }
+            }
+        } else {
+            self.exhaust(self.imap(func, iterable));
+        }
+    },
+
+    /** @id MochiKit.Iter.every */
+    every: function (iterable, func) {
+        var self = MochiKit.Iter;
+        try {
+            self.ifilterfalse(func, iterable).next();
+            return false;
+        } catch (e) {
+            if (e != self.StopIteration) {
+                throw e;
+            }
+            return true;
+        }
+    },
+
+    /** @id MochiKit.Iter.sorted */
+    sorted: function (iterable, /* optional */cmp) {
+        var rval = MochiKit.Iter.list(iterable);
+        if (arguments.length == 1) {
+            cmp = MochiKit.Base.compare;
+        }
+        rval.sort(cmp);
+        return rval;
+    },
+
+    /** @id MochiKit.Iter.reversed */
+    reversed: function (iterable) {
+        var rval = MochiKit.Iter.list(iterable);
+        rval.reverse();
+        return rval;
+    },
+
+    /** @id MochiKit.Iter.some */
+    some: function (iterable, func) {
+        var self = MochiKit.Iter;
+        try {
+            self.ifilter(func, iterable).next();
+            return true;
+        } catch (e) {
+            if (e != self.StopIteration) {
+                throw e;
+            }
+            return false;
+        }
+    },
+
+    /** @id MochiKit.Iter.iextend */
+    iextend: function (lst, iterable) {
+        var m = MochiKit.Base;
+        var self = MochiKit.Iter;
+        if (m.isArrayLike(iterable) && !self.isIterable(iterable)) {
+            // fast-path for array-like
+            for (var i = 0; i < iterable.length; i++) {
+                lst.push(iterable[i]);
+            }
+        } else {
+            iterable = self.iter(iterable);
+            try {
+                while (true) {
+                    lst.push(iterable.next());
+                }
+            } catch (e) {
+                if (e != self.StopIteration) {
+                    throw e;
+                }
+            }
+        }
+        return lst;
+    },
+
+    /** @id MochiKit.Iter.groupby */
+    groupby: function(iterable, /* optional */ keyfunc) {
+        var m = MochiKit.Base;
+        var self = MochiKit.Iter;
+        if (arguments.length < 2) {
+            keyfunc = m.operator.identity;
+        }
+        iterable = self.iter(iterable);
+
+        // shared
+        var pk = undefined;
+        var k = undefined;
+        var v;
+
+        function fetch() {
+            v = iterable.next();
+            k = keyfunc(v);
+        };
+
+        function eat() {
+            var ret = v;
+            v = undefined;
+            return ret;
+        };
+
+        var first = true;
+        var compare = m.compare;
+        return {
+            repr: function () { return "groupby(...)"; },
+            next: function() {
+                // iterator-next
+
+                // iterate until meet next group
+                while (compare(k, pk) === 0) {
+                    fetch();
+                    if (first) {
+                        first = false;
+                        break;
+                    }
+                }
+                pk = k;
+                return [k, {
+                    next: function() {
+                        // subiterator-next
+                        if (v == undefined) { // Is there something to eat?
+                            fetch();
+                        }
+                        if (compare(k, pk) !== 0) {
+                            throw self.StopIteration;
+                        }
+                        return eat();
+                    }
+                }];
+            }
+        };
+    },
+
+    /** @id MochiKit.Iter.groupby_as_array */
+    groupby_as_array: function (iterable, /* optional */ keyfunc) {
+        var m = MochiKit.Base;
+        var self = MochiKit.Iter;
+        if (arguments.length < 2) {
+            keyfunc = m.operator.identity;
+        }
+
+        iterable = self.iter(iterable);
+        var result = [];
+        var first = true;
+        var prev_key;
+        var compare = m.compare;
+        while (true) {
+            try {
+                var value = iterable.next();
+                var key = keyfunc(value);
+            } catch (e) {
+                if (e == self.StopIteration) {
+                    break;
+                }
+                throw e;
+            }
+            if (first || compare(key, prev_key) !== 0) {
+                var values = [];
+                result.push([key, values]);
+            }
+            values.push(value);
+            first = false;
+            prev_key = key;
+        }
+        return result;
+    },
+
+    /** @id MochiKit.Iter.arrayLikeIter */
+    arrayLikeIter: function (iterable) {
+        var i = 0;
+        return {
+            repr: function () { return "arrayLikeIter(...)"; },
+            toString: MochiKit.Base.forwardCall("repr"),
+            next: function () {
+                if (i >= iterable.length) {
+                    throw MochiKit.Iter.StopIteration;
+                }
+                return iterable[i++];
+            }
+        };
+    },
+
+    /** @id MochiKit.Iter.hasIterateNext */
+    hasIterateNext: function (iterable) {
+        return (iterable && typeof(iterable.iterateNext) == "function");
+    },
+
+    /** @id MochiKit.Iter.iterateNextIter */
+    iterateNextIter: function (iterable) {
+        return {
+            repr: function () { return "iterateNextIter(...)"; },
+            toString: MochiKit.Base.forwardCall("repr"),
+            next: function () {
+                var rval = iterable.iterateNext();
+                if (rval === null || rval === undefined) {
+                    throw MochiKit.Iter.StopIteration;
+                }
+                return rval;
+            }
+        };
+    }
+});
+
+
+MochiKit.Iter.__new__ = function () {
+    var m = MochiKit.Base;
+    // Re-use StopIteration if exists (e.g. SpiderMonkey)
+    if (typeof(StopIteration) != "undefined") {
+        this.StopIteration = StopIteration;
+    } else {
+        /** @id MochiKit.Iter.StopIteration */
+        this.StopIteration = new m.NamedError("StopIteration");
+    }
+    this.iteratorRegistry = new m.AdapterRegistry();
+    // Register the iterator factory for arrays
+    this.registerIteratorFactory(
+        "arrayLike",
+        m.isArrayLike,
+        this.arrayLikeIter
+    );
+
+    this.registerIteratorFactory(
+        "iterateNext",
+        this.hasIterateNext,
+        this.iterateNextIter
+    );
+
+    m.nameFunctions(this);
+
+};
+
+MochiKit.Iter.__new__();
+
+//
+// XXX: Internet Explorer blows
+//
+if (MochiKit.__export__) {
+    reduce = MochiKit.Iter.reduce;
+}
+
+MochiKit.Base._exportSymbols(this, MochiKit.Iter);
diff --git a/frontend/gamma/js/MochiKit/Logging.js b/frontend/gamma/js/MochiKit/Logging.js
new file mode 100644
index 0000000..f00996b
--- a/dev/null
+++ b/frontend/gamma/js/MochiKit/Logging.js
@@ -0,0 +1,262 @@
+/***
+
+MochiKit.Logging 1.5
+
+See <http://mochikit.com/> for documentation, downloads, license, etc.
+
+(c) 2005 Bob Ippolito.  All rights Reserved.
+
+***/
+
+MochiKit.Base._module('Logging', '1.5', ['Base']);
+
+    /** @id MochiKit.Logging.LogMessage */
+MochiKit.Logging.LogMessage = function (num, level, info) {
+    this.num = num;
+    this.level = level;
+    this.info = info;
+    this.timestamp = new Date();
+};
+
+MochiKit.Logging.LogMessage.prototype = {
+     /** @id MochiKit.Logging.LogMessage.prototype.repr */
+    repr: function () {
+        var m = MochiKit.Base;
+        return 'LogMessage(' +
+            m.map(
+                m.repr,
+                [this.num, this.level, this.info]
+            ).join(', ') + ')';
+    },
+    /** @id MochiKit.Logging.LogMessage.prototype.toString */
+    toString: MochiKit.Base.forwardCall("repr")
+};
+
+MochiKit.Base.update(MochiKit.Logging, {
+    /** @id MochiKit.Logging.logLevelAtLeast */
+    logLevelAtLeast: function (minLevel) {
+        var self = MochiKit.Logging;
+        if (typeof(minLevel) == 'string') {
+            minLevel = self.LogLevel[minLevel];
+        }
+        return function (msg) {
+            var msgLevel = msg.level;
+            if (typeof(msgLevel) == 'string') {
+                msgLevel = self.LogLevel[msgLevel];
+            }
+            return msgLevel >= minLevel;
+        };
+    },
+
+    /** @id MochiKit.Logging.isLogMessage */
+    isLogMessage: function (/* ... */) {
+        var LogMessage = MochiKit.Logging.LogMessage;
+        for (var i = 0; i < arguments.length; i++) {
+            if (!(arguments[i] instanceof LogMessage)) {
+                return false;
+            }
+        }
+        return true;
+    },
+
+    /** @id MochiKit.Logging.compareLogMessage */
+    compareLogMessage: function (a, b) {
+        return MochiKit.Base.compare([a.level, a.info], [b.level, b.info]);
+    },
+
+    /** @id MochiKit.Logging.alertListener */
+    alertListener: function (msg) {
+        alert(
+            "num: " + msg.num +
+            "\nlevel: " +  msg.level +
+            "\ninfo: " + msg.info.join(" ")
+        );
+    }
+
+});
+
+/** @id MochiKit.Logging.Logger */
+MochiKit.Logging.Logger = function (/* optional */maxSize) {
+    this.counter = 0;
+    if (typeof(maxSize) == 'undefined' || maxSize === null) {
+        maxSize = -1;
+    }
+    this.maxSize = maxSize;
+    this._messages = [];
+    this.listeners = {};
+    this.useNativeConsole = false;
+};
+
+MochiKit.Logging.Logger.prototype = {
+    /** @id MochiKit.Logging.Logger.prototype.clear */
+    clear: function () {
+        this._messages.splice(0, this._messages.length);
+    },
+
+    /** @id MochiKit.Logging.Logger.prototype.logToConsole */
+    logToConsole: function (msg) {
+        if (typeof(window) != "undefined" && window.console
+                && window.console.log) {
+            // Safari and FireBug 0.4
+            // Percent replacement is a workaround for cute Safari crashing bug
+            window.console.log(msg.replace(/%/g, '\uFF05'));
+        } else if (typeof(opera) != "undefined" && opera.postError) {
+            // Opera
+            opera.postError(msg);
+        } else if (typeof(Debug) != "undefined" && Debug.writeln) {
+            // IE Web Development Helper (?)
+            // http://www.nikhilk.net/Entry.aspx?id=93
+            Debug.writeln(msg);
+        } else if (typeof(debug) != "undefined" && debug.trace) {
+            // Atlas framework (?)
+            // http://www.nikhilk.net/Entry.aspx?id=93
+            debug.trace(msg);
+        }
+    },
+
+    /** @id MochiKit.Logging.Logger.prototype.dispatchListeners */
+    dispatchListeners: function (msg) {
+        for (var k in this.listeners) {
+            var pair = this.listeners[k];
+            if (pair.ident != k || (pair[0] && !pair[0](msg))) {
+                continue;
+            }
+            pair[1](msg);
+        }
+    },
+
+    /** @id MochiKit.Logging.Logger.prototype.addListener */
+    addListener: function (ident, filter, listener) {
+        if (typeof(filter) == 'string') {
+            filter = MochiKit.Logging.logLevelAtLeast(filter);
+        }
+        var entry = [filter, listener];
+        entry.ident = ident;
+        this.listeners[ident] = entry;
+    },
+
+    /** @id MochiKit.Logging.Logger.prototype.removeListener */
+    removeListener: function (ident) {
+        delete this.listeners[ident];
+    },
+
+    /** @id MochiKit.Logging.Logger.prototype.baseLog */
+    baseLog: function (level, message/*, ...*/) {
+        if (typeof(level) == "number") {
+            if (level >= MochiKit.Logging.LogLevel.FATAL) {
+                level = 'FATAL';
+            } else if (level >= MochiKit.Logging.LogLevel.ERROR) {
+                level = 'ERROR';
+            } else if (level >= MochiKit.Logging.LogLevel.WARNING) {
+                level = 'WARNING';
+            } else if (level >= MochiKit.Logging.LogLevel.INFO) {
+                level = 'INFO';
+            } else {
+                level = 'DEBUG';
+            }
+        }
+        var msg = new MochiKit.Logging.LogMessage(
+            this.counter,
+            level,
+            MochiKit.Base.extend(null, arguments, 1)
+        );
+        this._messages.push(msg);
+        this.dispatchListeners(msg);
+        if (this.useNativeConsole) {
+            this.logToConsole(msg.level + ": " + msg.info.join(" "));
+        }
+        this.counter += 1;
+        while (this.maxSize >= 0 && this._messages.length > this.maxSize) {
+            this._messages.shift();
+        }
+    },
+
+    /** @id MochiKit.Logging.Logger.prototype.getMessages */
+    getMessages: function (howMany) {
+        var firstMsg = 0;
+        if (!(typeof(howMany) == 'undefined' || howMany === null)) {
+            firstMsg = Math.max(0, this._messages.length - howMany);
+        }
+        return this._messages.slice(firstMsg);
+    },
+
+    /** @id MochiKit.Logging.Logger.prototype.getMessageText */
+    getMessageText: function (howMany) {
+        if (typeof(howMany) == 'undefined' || howMany === null) {
+            howMany = 30;
+        }
+        var messages = this.getMessages(howMany);
+        if (messages.length) {
+            var lst = map(function (m) {
+                return '\n  [' + m.num + '] ' + m.level + ': ' + m.info.join(' ');
+            }, messages);
+            lst.unshift('LAST ' + messages.length + ' MESSAGES:');
+            return lst.join('');
+        }
+        return '';
+    },
+
+    /** @id MochiKit.Logging.Logger.prototype.debuggingBookmarklet */
+    debuggingBookmarklet: function (inline) {
+        if (typeof(MochiKit.LoggingPane) == "undefined") {
+            alert(this.getMessageText());
+        } else {
+            MochiKit.LoggingPane.createLoggingPane(inline || false);
+        }
+    }
+};
+
+MochiKit.Logging.__new__ = function () {
+    this.LogLevel = {
+        ERROR: 40,
+        FATAL: 50,
+        WARNING: 30,
+        INFO: 20,
+        DEBUG: 10
+    };
+
+    var m = MochiKit.Base;
+    m.registerComparator("LogMessage",
+        this.isLogMessage,
+        this.compareLogMessage
+    );
+
+    var partial = m.partial;
+
+    var Logger = this.Logger;
+    var baseLog = Logger.prototype.baseLog;
+    m.update(this.Logger.prototype, {
+        debug: partial(baseLog, 'DEBUG'),
+        log: partial(baseLog, 'INFO'),
+        error: partial(baseLog, 'ERROR'),
+        fatal: partial(baseLog, 'FATAL'),
+        warning: partial(baseLog, 'WARNING')
+    });
+
+    // indirectly find logger so it can be replaced
+    var self = this;
+    var connectLog = function (name) {
+        return function () {
+            self.logger[name].apply(self.logger, arguments);
+        };
+    };
+
+    /** @id MochiKit.Logging.log */
+    this.log = connectLog('log');
+    /** @id MochiKit.Logging.logError */
+    this.logError = connectLog('error');
+    /** @id MochiKit.Logging.logDebug */
+    this.logDebug = connectLog('debug');
+    /** @id MochiKit.Logging.logFatal */
+    this.logFatal = connectLog('fatal');
+    /** @id MochiKit.Logging.logWarning */
+    this.logWarning = connectLog('warning');
+    this.logger = new Logger();
+    this.logger.useNativeConsole = true;
+
+    m.nameFunctions(this);
+};
+
+MochiKit.Logging.__new__();
+
+MochiKit.Base._exportSymbols(this, MochiKit.Logging);
diff --git a/frontend/gamma/js/MochiKit/LoggingPane.js b/frontend/gamma/js/MochiKit/LoggingPane.js
new file mode 100644
index 0000000..c960c21
--- a/dev/null
+++ b/frontend/gamma/js/MochiKit/LoggingPane.js
@@ -0,0 +1,327 @@
+/***
+
+MochiKit.LoggingPane 1.5
+
+See <http://mochikit.com/> for documentation, downloads, license, etc.
+
+(c) 2005 Bob Ippolito.  All rights Reserved.
+
+***/
+
+MochiKit.Base._module('LoggingPane', '1.5', ['Base', 'Logging']);
+
+/** @id MochiKit.LoggingPane.createLoggingPane */
+MochiKit.LoggingPane.createLoggingPane = function (inline/* = false */) {
+    var m = MochiKit.LoggingPane;
+    inline = !(!inline);
+    if (m._loggingPane && m._loggingPane.inline != inline) {
+        m._loggingPane.closePane();
+        m._loggingPane = null;
+    }
+    if (!m._loggingPane || m._loggingPane.closed) {
+        m._loggingPane = new m.LoggingPane(inline, MochiKit.Logging.logger);
+    }
+    return m._loggingPane;
+};
+
+/** @id MochiKit.LoggingPane.LoggingPane */
+MochiKit.LoggingPane.LoggingPane = function (inline/* = false */, logger/* = MochiKit.Logging.logger */) {
+
+    /* Use a div if inline, pop up a window if not */
+    /* Create the elements */
+    if (typeof(logger) == "undefined" || logger === null) {
+        logger = MochiKit.Logging.logger;
+    }
+    this.logger = logger;
+    var update = MochiKit.Base.update;
+    var updatetree = MochiKit.Base.updatetree;
+    var bind = MochiKit.Base.bind;
+    var clone = MochiKit.Base.clone;
+    var win = window;
+    var uid = "_MochiKit_LoggingPane";
+    if (typeof(MochiKit.DOM) != "undefined") {
+        win = MochiKit.DOM.currentWindow();
+    }
+    if (!inline) {
+        // name the popup with the base URL for uniqueness
+        var url = win.location.href.split("?")[0].replace(/[#:\/.><&%-]/g, "_");
+        var name = uid + "_" + url;
+        var nwin = win.open("", name, "dependent,resizable,height=200");
+        if (!nwin) {
+            alert("Not able to open debugging window due to pop-up blocking.");
+            return undefined;
+        }
+        nwin.document.write(
+            '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" '
+            + '"http://www.w3.org/TR/html4/loose.dtd">'
+            + '<html><head><title>[MochiKit.LoggingPane]</title></head>'
+            + '<body></body></html>'
+        );
+        nwin.document.close();
+        nwin.document.title += ' ' + win.document.title;
+        win = nwin;
+    }
+    var doc = win.document;
+    this.doc = doc;
+
+    // Connect to the debug pane if it already exists (i.e. in a window orphaned by the page being refreshed)
+    var debugPane = doc.getElementById(uid);
+    var existing_pane = !!debugPane;
+    if (debugPane && typeof(debugPane.loggingPane) != "undefined") {
+        debugPane.loggingPane.logger = this.logger;
+        debugPane.loggingPane.buildAndApplyFilter();
+        return debugPane.loggingPane;
+    }
+
+    if (existing_pane) {
+        // clear any existing contents
+        var child;
+        while ((child = debugPane.firstChild)) {
+            debugPane.removeChild(child);
+        }
+    } else {
+        debugPane = doc.createElement("div");
+        debugPane.id = uid;
+    }
+    debugPane.loggingPane = this;
+    var levelFilterField = doc.createElement("input");
+    var infoFilterField = doc.createElement("input");
+    var filterButton = doc.createElement("button");
+    var loadButton = doc.createElement("button");
+    var clearButton = doc.createElement("button");
+    var closeButton = doc.createElement("button");
+    var logPaneArea = doc.createElement("div");
+    var logPane = doc.createElement("div");
+
+    /* Set up the functions */
+    var listenerId = uid + "_Listener";
+    this.colorTable = clone(this.colorTable);
+    var messages = [];
+    var messageFilter = null;
+
+    /** @id MochiKit.LoggingPane.messageLevel */
+    var messageLevel = function (msg) {
+        var level = msg.level;
+        if (typeof(level) == "number") {
+            level = MochiKit.Logging.LogLevel[level];
+        }
+        return level;
+    };
+
+    /** @id MochiKit.LoggingPane.messageText */
+    var messageText = function (msg) {
+        return msg.info.join(" ");
+    };
+
+    /** @id MochiKit.LoggingPane.addMessageText */
+    var addMessageText = bind(function (msg) {
+        var level = messageLevel(msg);
+        var text = messageText(msg);
+        var c = this.colorTable[level];
+        var p = doc.createElement("span");
+        p.className = "MochiKit-LogMessage MochiKit-LogLevel-" + level;
+        p.style.cssText = "margin: 0px; white-space: -moz-pre-wrap; white-space: -o-pre-wrap; white-space: pre-wrap; white-space: pre-line; word-wrap: break-word; wrap-option: emergency; color: " + c;
+        p.appendChild(doc.createTextNode(level + ": " + text));
+        logPane.appendChild(p);
+        logPane.appendChild(doc.createElement("br"));
+        if (logPaneArea.offsetHeight > logPaneArea.scrollHeight) {
+            logPaneArea.scrollTop = 0;
+        } else {
+            logPaneArea.scrollTop = logPaneArea.scrollHeight;
+        }
+    }, this);
+
+    /** @id MochiKit.LoggingPane.addMessage */
+    var addMessage = function (msg) {
+        messages[messages.length] = msg;
+        addMessageText(msg);
+    };
+
+    /** @id MochiKit.LoggingPane.buildMessageFilter */
+    var buildMessageFilter = function () {
+        var levelre, infore;
+        try {
+            /* Catch any exceptions that might arise due to invalid regexes */
+            levelre = new RegExp(levelFilterField.value);
+            infore = new RegExp(infoFilterField.value);
+        } catch(e) {
+            /* If there was an error with the regexes, do no filtering */
+            logDebug("Error in filter regex: " + e.message);
+            return null;
+        }
+
+        return function (msg) {
+            return (
+                levelre.test(messageLevel(msg)) &&
+                infore.test(messageText(msg))
+            );
+        };
+    };
+
+    /** @id MochiKit.LoggingPane.clearMessagePane */
+    var clearMessagePane = function () {
+        while (logPane.firstChild) {
+            logPane.removeChild(logPane.firstChild);
+        }
+    };
+
+    /** @id MochiKit.LoggingPane.clearMessages */
+    var clearMessages = function () {
+        messages = [];
+        clearMessagePane();
+    };
+
+    /** @id MochiKit.LoggingPane.closePane */
+    var closePane = bind(function () {
+        if (this.closed) {
+            return;
+        }
+        this.closed = true;
+        if (MochiKit.LoggingPane._loggingPane == this) {
+            MochiKit.LoggingPane._loggingPane = null;
+        }
+        this.logger.removeListener(listenerId);
+        try {
+            try {
+              debugPane.loggingPane = null;
+            } catch(e) { logFatal("Bookmarklet was closed incorrectly."); }
+            if (inline) {
+                debugPane.parentNode.removeChild(debugPane);
+            } else {
+                this.win.close();
+            }
+        } catch(e) {}
+    }, this);
+
+    /** @id MochiKit.LoggingPane.filterMessages */
+    var filterMessages = function () {
+        clearMessagePane();
+
+        for (var i = 0; i < messages.length; i++) {
+            var msg = messages[i];
+            if (messageFilter === null || messageFilter(msg)) {
+                addMessageText(msg);
+            }
+        }
+    };
+
+    this.buildAndApplyFilter = function () {
+        messageFilter = buildMessageFilter();
+
+        filterMessages();
+
+        this.logger.removeListener(listenerId);
+        this.logger.addListener(listenerId, messageFilter, addMessage);
+    };
+
+
+    /** @id MochiKit.LoggingPane.loadMessages */
+    var loadMessages = bind(function () {
+        messages = this.logger.getMessages();
+        filterMessages();
+    }, this);
+
+    /** @id MochiKit.LoggingPane.filterOnEnter */
+    var filterOnEnter = bind(function (event) {
+        event = event || window.event;
+        key = event.which || event.keyCode;
+        if (key == 13) {
+            this.buildAndApplyFilter();
+        }
+    }, this);
+
+    /* Create the debug pane */
+    var style = "display: block; z-index: 1000; left: 0px; bottom: 0px; position: fixed; width: 100%; background-color: white; font: " + this.logFont;
+    if (inline) {
+        style += "; height: 10em; border-top: 2px solid black";
+    } else {
+        style += "; height: 100%;";
+    }
+    debugPane.style.cssText = style;
+
+    if (!existing_pane) {
+        doc.body.appendChild(debugPane);
+    }
+
+    /* Create the filter fields */
+    style = {"cssText": "width: 33%; display: inline; font: " + this.logFont};
+
+    updatetree(levelFilterField, {
+        "value": "FATAL|ERROR|WARNING|INFO|DEBUG",
+        "onkeypress": filterOnEnter,
+        "style": style
+    });
+    debugPane.appendChild(levelFilterField);
+
+    updatetree(infoFilterField, {
+        "value": ".*",
+        "onkeypress": filterOnEnter,
+        "style": style
+    });
+    debugPane.appendChild(infoFilterField);
+
+    /* Create the buttons */
+    style = "width: 8%; display:inline; font: " + this.logFont;
+
+    filterButton.appendChild(doc.createTextNode("Filter"));
+    filterButton.onclick = bind("buildAndApplyFilter", this);
+    filterButton.style.cssText = style;
+    debugPane.appendChild(filterButton);
+
+    loadButton.appendChild(doc.createTextNode("Load"));
+    loadButton.onclick = loadMessages;
+    loadButton.style.cssText = style;
+    debugPane.appendChild(loadButton);
+
+    clearButton.appendChild(doc.createTextNode("Clear"));
+    clearButton.onclick = clearMessages;
+    clearButton.style.cssText = style;
+    debugPane.appendChild(clearButton);
+
+    closeButton.appendChild(doc.createTextNode("Close"));
+    closeButton.onclick = closePane;
+    closeButton.style.cssText = style;
+    debugPane.appendChild(closeButton);
+
+    /* Create the logging pane */
+    logPaneArea.style.cssText = "overflow: auto; width: 100%";
+    logPane.style.cssText = "width: 100%; height: " + (inline ? "8em" : "100%");
+
+    logPaneArea.appendChild(logPane);
+    debugPane.appendChild(logPaneArea);
+
+    this.buildAndApplyFilter();
+    loadMessages();
+
+    if (inline) {
+        this.win = undefined;
+    } else {
+        this.win = win;
+    }
+    this.inline = inline;
+    this.closePane = closePane;
+    this.closed = false;
+
+
+    return this;
+};
+
+MochiKit.LoggingPane.LoggingPane.prototype = {
+    "logFont": "8pt Verdana,sans-serif",
+    "colorTable": {
+        "ERROR": "red",
+        "FATAL": "darkred",
+        "WARNING": "blue",
+        "INFO": "black",
+        "DEBUG": "green"
+    }
+};
+
+MochiKit.LoggingPane.__new__ = function () {
+    MochiKit.Base.nameFunctions(this);
+    MochiKit.LoggingPane._loggingPane = null;
+};
+
+MochiKit.LoggingPane.__new__();
+
+MochiKit.Base._exportSymbols(this, MochiKit.LoggingPane);
diff --git a/frontend/gamma/js/MochiKit/MochiKit.js b/frontend/gamma/js/MochiKit/MochiKit.js
new file mode 100644
index 0000000..8e5be68
--- a/dev/null
+++ b/frontend/gamma/js/MochiKit/MochiKit.js
@@ -0,0 +1,136 @@
+/***
+
+MochiKit.MochiKit 1.5
+
+See <http://mochikit.com/> for documentation, downloads, license, etc.
+
+(c) 2005 Bob Ippolito.  All rights Reserved.
+
+***/
+
+if (typeof(MochiKit) == 'undefined') {
+    MochiKit = {};
+}
+
+if (typeof(MochiKit.MochiKit) == 'undefined') {
+    /** @id MochiKit.MochiKit */
+    MochiKit.MochiKit = {};
+}
+
+MochiKit.MochiKit.NAME = "MochiKit.MochiKit";
+MochiKit.MochiKit.VERSION = "1.5";
+MochiKit.MochiKit.__repr__ = function () {
+    return "[" + this.NAME + " " + this.VERSION + "]";
+};
+
+/** @id MochiKit.MochiKit.toString */
+MochiKit.MochiKit.toString = function () {
+    return this.__repr__();
+};
+
+/** @id MochiKit.MochiKit.SUBMODULES */
+MochiKit.MochiKit.SUBMODULES = [
+    "Base",
+    "Iter",
+    "Logging",
+    "DateTime",
+    "Format",
+    "Text",
+    "Async",
+    "DOM",
+    "Selector",
+    "Style",
+    "LoggingPane",
+    "Color",
+    "Signal",
+    "Position",
+    "Visual",
+    "DragAndDrop",
+    "Sortable"
+];
+
+(function () {
+    if (typeof(document) == "undefined") {
+        return;
+    }
+    var scripts = document.getElementsByTagName("script");
+    var kXHTMLNSURI = "http://www.w3.org/1999/xhtml";
+    var kSVGNSURI = "http://www.w3.org/2000/svg";
+    var kXLINKNSURI = "http://www.w3.org/1999/xlink";
+    var kXULNSURI = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
+    var base = null;
+    var baseElem = null;
+    var allScripts = {};
+    var i;
+    var src;
+    for (i = 0; i < scripts.length; i++) {
+        src = null;
+        switch (scripts[i].namespaceURI) {
+            case kSVGNSURI:
+                src = scripts[i].getAttributeNS(kXLINKNSURI, "href");
+                break;
+            /*
+            case null: // HTML
+            case '': // HTML
+            case kXHTMLNSURI:
+            case kXULNSURI:
+            */
+            default:
+                src = scripts[i].getAttribute("src");
+                break;
+        }
+        if (!src) {
+            continue;
+        }
+        allScripts[src] = true;
+        if (src.match(/MochiKit.js(\?.*)?$/)) {
+            base = src.substring(0, src.lastIndexOf('MochiKit.js'));
+            baseElem = scripts[i];
+        }
+    }
+    if (base === null) {
+        return;
+    }
+    var modules = MochiKit.MochiKit.SUBMODULES;
+    for (var i = 0; i < modules.length; i++) {
+        if (MochiKit[modules[i]]) {
+            continue;
+        }
+        var uri = base + modules[i] + '.js';
+        if (uri in allScripts) {
+            continue;
+        }
+        if (baseElem.namespaceURI == kSVGNSURI ||
+            baseElem.namespaceURI == kXULNSURI) {
+            // SVG, XUL
+            /*
+                SVG does not support document.write, so if Safari wants to
+                support SVG tests it should fix its deferred loading bug
+                (see following below).
+            */
+            var s = document.createElementNS(baseElem.namespaceURI, 'script');
+            s.setAttribute("id", "MochiKit_" + base + modules[i]);
+            if (baseElem.namespaceURI == kSVGNSURI) {
+                s.setAttributeNS(kXLINKNSURI, 'href', uri);
+            } else {
+                s.setAttribute('src', uri);
+            }
+            s.setAttribute("type", "application/x-javascript");
+            baseElem.parentNode.appendChild(s);
+        } else {
+            // HTML, XHTML
+            /*
+                DOM can not be used here because Safari does
+                deferred loading of scripts unless they are
+                in the document or inserted with document.write
+
+                This is not XHTML compliant.  If you want XHTML
+                compliance then you must use the packed version of MochiKit
+                or include each script individually (basically unroll
+                these document.write calls into your XHTML source)
+            */
+            document.write('<' + baseElem.nodeName + ' src="' + uri +
+                '" type="text/javascript"></script>');
+        }
+    };
+})();
diff --git a/frontend/gamma/js/MochiKit/MockDOM.js b/frontend/gamma/js/MochiKit/MockDOM.js
new file mode 100644
index 0000000..abdb54a
--- a/dev/null
+++ b/frontend/gamma/js/MochiKit/MockDOM.js
@@ -0,0 +1,115 @@
+/***
+
+MochiKit.MockDOM 1.5
+
+See <http://mochikit.com/> for documentation, downloads, license, etc.
+
+(c) 2005 Bob Ippolito.  All rights Reserved.
+
+***/
+
+if (typeof(MochiKit) == "undefined") {
+    MochiKit = {};
+}
+
+if (typeof(MochiKit.MockDOM) == "undefined") {
+    MochiKit.MockDOM = {};
+}
+
+MochiKit.MockDOM.NAME = "MochiKit.MockDOM";
+MochiKit.MockDOM.VERSION = "1.5";
+
+MochiKit.MockDOM.__repr__ = function () {
+    return "[" + this.NAME + " " + this.VERSION + "]";
+};
+
+/** @id MochiKit.MockDOM.toString */
+MochiKit.MockDOM.toString = function () {
+    return this.__repr__();
+};
+
+/** @id MochiKit.MockDOM.createDocument */
+MochiKit.MockDOM.createDocument = function () {
+    var doc = new MochiKit.MockDOM.MockElement("DOCUMENT");
+    doc.body = doc.createElement("BODY");
+    doc.appendChild(doc.body);
+    return doc;
+};
+
+/** @id MochiKit.MockDOM.MockElement */
+MochiKit.MockDOM.MockElement = function (name, data, ownerDocument) {
+    this.tagName = this.nodeName = name.toUpperCase();
+    this.ownerDocument = ownerDocument || null;
+    if (name == "DOCUMENT") {
+        this.nodeType = 9;
+        this.childNodes = [];
+    } else if (typeof(data) == "string") {
+        this.nodeValue = data;
+        this.nodeType = 3;
+    } else {
+        this.nodeType = 1;
+        this.childNodes = [];
+    }
+    if (name.substring(0, 1) == "<") {
+        var nameattr = name.substring(
+            name.indexOf('"') + 1, name.lastIndexOf('"'));
+        name = name.substring(1, name.indexOf(" "));
+        this.tagName = this.nodeName = name.toUpperCase();
+        this.setAttribute("name", nameattr);
+    }
+};
+
+MochiKit.MockDOM.MockElement.prototype = {
+    /** @id MochiKit.MockDOM.MockElement.prototype.createElement */
+    createElement: function (tagName) {
+        return new MochiKit.MockDOM.MockElement(tagName, null, this.nodeType == 9 ? this : this.ownerDocument);
+    },
+    /** @id MochiKit.MockDOM.MockElement.prototype.createTextNode */
+    createTextNode: function (text) {
+        return new MochiKit.MockDOM.MockElement("text", text, this.nodeType == 9 ? this : this.ownerDocument);
+    },
+    /** @id MochiKit.MockDOM.MockElement.prototype.setAttribute */
+    setAttribute: function (name, value) {
+        this[name] = value;
+    },
+    /** @id MochiKit.MockDOM.MockElement.prototype.getAttribute */
+    getAttribute: function (name) {
+        return this[name];
+    },
+    /** @id MochiKit.MockDOM.MockElement.prototype.appendChild */
+    appendChild: function (child) {
+        this.childNodes.push(child);
+    },
+    /** @id MochiKit.MockDOM.MockElement.prototype.toString */
+    toString: function () {
+        return "MockElement(" + this.tagName + ")";
+    },
+    /** @id MochiKit.MockDOM.MockElement.prototype.getElementsByTagName */
+    getElementsByTagName: function (tagName) {
+        var foundElements = [];
+        MochiKit.Base.nodeWalk(this, function(node){
+            if (tagName == '*' || tagName == node.tagName) {
+                foundElements.push(node);
+                return node.childNodes;
+            }
+        });
+        return foundElements;
+    }
+};
+
+    /** @id MochiKit.MockDOM.EXPORT_OK */
+MochiKit.MockDOM.EXPORT_OK = [
+    "mockElement",
+    "createDocument"
+];
+
+    /** @id MochiKit.MockDOM.EXPORT */
+MochiKit.MockDOM.EXPORT = [
+    "document"
+];
+
+MochiKit.MockDOM.__new__ = function () {
+    this.document = this.createDocument();
+};
+
+MochiKit.MockDOM.__new__();
diff --git a/frontend/gamma/js/MochiKit/Position.js b/frontend/gamma/js/MochiKit/Position.js
new file mode 100644
index 0000000..6bc5b39
--- a/dev/null
+++ b/frontend/gamma/js/MochiKit/Position.js
@@ -0,0 +1,218 @@
+/***
+
+MochiKit.Position 1.5
+
+See <http://mochikit.com/> for documentation, downloads, license, etc.
+
+(c) 2005-2006 Bob Ippolito and others.  All rights Reserved.
+
+***/
+
+MochiKit.Base._module('Position', '1.5', ['Base', 'DOM', 'Style']);
+
+MochiKit.Base.update(MochiKit.Position, {
+    // Don't export from this module
+    __export__: false,
+
+    // set to true if needed, warning: firefox performance problems
+    // NOT neeeded for page scrolling, only if draggable contained in
+    // scrollable elements
+    includeScrollOffsets: false,
+
+    /** @id MochiKit.Position.prepare */
+    prepare: function () {
+        var deltaX =  window.pageXOffset
+                   || document.documentElement.scrollLeft
+                   || document.body.scrollLeft
+                   || 0;
+        var deltaY =  window.pageYOffset
+                   || document.documentElement.scrollTop
+                   || document.body.scrollTop
+                   || 0;
+        this.windowOffset = new MochiKit.Style.Coordinates(deltaX, deltaY);
+    },
+
+    /** @id MochiKit.Position.cumulativeOffset */
+    cumulativeOffset: function (element) {
+        var valueT = 0;
+        var valueL = 0;
+        do {
+            valueT += element.offsetTop  || 0;
+            valueL += element.offsetLeft || 0;
+            element = element.offsetParent;
+        } while (element);
+        return new MochiKit.Style.Coordinates(valueL, valueT);
+    },
+
+    /** @id MochiKit.Position.realOffset */
+    realOffset: function (element) {
+        var valueT = 0;
+        var valueL = 0;
+        do {
+            valueT += element.scrollTop  || 0;
+            valueL += element.scrollLeft || 0;
+            element = element.parentNode;
+        } while (element);
+        return new MochiKit.Style.Coordinates(valueL, valueT);
+    },
+
+    /** @id MochiKit.Position.within */
+    within: function (element, x, y) {
+        if (this.includeScrollOffsets) {
+            return this.withinIncludingScrolloffsets(element, x, y);
+        }
+        this.xcomp = x;
+        this.ycomp = y;
+        this.offset = this.cumulativeOffset(element);
+        if (element.style.position == "fixed") {
+            this.offset.x += this.windowOffset.x;
+            this.offset.y += this.windowOffset.y;
+        }
+
+        return (y >= this.offset.y &&
+                y <  this.offset.y + element.offsetHeight &&
+                x >= this.offset.x &&
+                x <  this.offset.x + element.offsetWidth);
+    },
+
+    /** @id MochiKit.Position.withinIncludingScrolloffsets */
+    withinIncludingScrolloffsets: function (element, x, y) {
+        var offsetcache = this.realOffset(element);
+
+        this.xcomp = x + offsetcache.x - this.windowOffset.x;
+        this.ycomp = y + offsetcache.y - this.windowOffset.y;
+        this.offset = this.cumulativeOffset(element);
+
+        return (this.ycomp >= this.offset.y &&
+                this.ycomp <  this.offset.y + element.offsetHeight &&
+                this.xcomp >= this.offset.x &&
+                this.xcomp <  this.offset.x + element.offsetWidth);
+    },
+
+    // within must be called directly before
+    /** @id MochiKit.Position.overlap */
+    overlap: function (mode, element) {
+        if (!mode) {
+            return 0;
+        }
+        if (mode == 'vertical') {
+          return ((this.offset.y + element.offsetHeight) - this.ycomp) /
+                 element.offsetHeight;
+        }
+        if (mode == 'horizontal') {
+          return ((this.offset.x + element.offsetWidth) - this.xcomp) /
+                 element.offsetWidth;
+        }
+    },
+
+    /** @id MochiKit.Position.absolutize */
+    absolutize: function (element) {
+        element = MochiKit.DOM.getElement(element);
+        if (element.style.position == 'absolute') {
+            return;
+        }
+        MochiKit.Position.prepare();
+
+        var offsets = MochiKit.Position.positionedOffset(element);
+        var width = element.clientWidth;
+        var height = element.clientHeight;
+
+        var oldStyle = {
+            'position': element.style.position,
+            'left': offsets.x - parseFloat(element.style.left  || 0),
+            'top': offsets.y - parseFloat(element.style.top || 0),
+            'width': element.style.width,
+            'height': element.style.height
+        };
+
+        element.style.position = 'absolute';
+        element.style.top = offsets.y + 'px';
+        element.style.left = offsets.x + 'px';
+        element.style.width = width + 'px';
+        element.style.height = height + 'px';
+
+        return oldStyle;
+    },
+
+    /** @id MochiKit.Position.positionedOffset */
+    positionedOffset: function (element) {
+        var valueT = 0, valueL = 0;
+        do {
+            valueT += element.offsetTop  || 0;
+            valueL += element.offsetLeft || 0;
+            element = element.offsetParent;
+            if (element) {
+                var p = MochiKit.Style.getStyle(element, 'position');
+                if (p == 'relative' || p == 'absolute') {
+                    break;
+                }
+            }
+        } while (element);
+        return new MochiKit.Style.Coordinates(valueL, valueT);
+    },
+
+    /** @id MochiKit.Position.relativize */
+    relativize: function (element, oldPos) {
+        element = MochiKit.DOM.getElement(element);
+        if (element.style.position == 'relative') {
+            return;
+        }
+        MochiKit.Position.prepare();
+
+        var top = parseFloat(element.style.top || 0) -
+                  (oldPos['top'] || 0);
+        var left = parseFloat(element.style.left || 0) -
+                   (oldPos['left'] || 0);
+
+        element.style.position = oldPos['position'];
+        element.style.top = top + 'px';
+        element.style.left = left + 'px';
+        element.style.width = oldPos['width'];
+        element.style.height = oldPos['height'];
+    },
+
+    /** @id MochiKit.Position.clone */
+    clone: function (source, target) {
+        source = MochiKit.DOM.getElement(source);
+        target = MochiKit.DOM.getElement(target);
+        target.style.position = 'absolute';
+        var offsets = this.cumulativeOffset(source);
+        target.style.top = offsets.y + 'px';
+        target.style.left = offsets.x + 'px';
+        target.style.width = source.offsetWidth + 'px';
+        target.style.height = source.offsetHeight + 'px';
+    },
+
+    /** @id MochiKit.Position.page */
+    page: function (forElement) {
+        var valueT = 0;
+        var valueL = 0;
+
+        var element = forElement;
+        do {
+            valueT += element.offsetTop  || 0;
+            valueL += element.offsetLeft || 0;
+
+            // Safari fix
+            if (element.offsetParent == document.body && MochiKit.Style.getStyle(element, 'position') == 'absolute') {
+                break;
+            }
+        } while (element = element.offsetParent);
+
+        element = forElement;
+        do {
+            valueT -= element.scrollTop  || 0;
+            valueL -= element.scrollLeft || 0;
+        } while (element = element.parentNode);
+
+        return new MochiKit.Style.Coordinates(valueL, valueT);
+    }
+});
+
+MochiKit.Position.__new__ = function (win) {
+    MochiKit.Base.nameFunctions(this);
+};
+
+MochiKit.Position.__new__(this);
+
+MochiKit.Base._exportSymbols(this, MochiKit.Position);
diff --git a/frontend/gamma/js/MochiKit/Selector.js b/frontend/gamma/js/MochiKit/Selector.js
new file mode 100644
index 0000000..6aec892
--- a/dev/null
+++ b/frontend/gamma/js/MochiKit/Selector.js
@@ -0,0 +1,387 @@
+/***
+
+MochiKit.Selector 1.5
+
+See <http://mochikit.com/> for documentation, downloads, license, etc.
+
+(c) 2005 Bob Ippolito and others.  All rights Reserved.
+
+***/
+
+MochiKit.Base._module('Selector', '1.5', ['Base', 'DOM', 'Iter']);
+
+MochiKit.Selector.Selector = function (expression) {
+    this.params = {classNames: [], pseudoClassNames: []};
+    this.expression = expression.toString().replace(/(^\s+|\s+$)/g, '');
+    this.parseExpression();
+    this.compileMatcher();
+};
+
+MochiKit.Selector.Selector.prototype = {
+    /***
+
+    Selector class: convenient object to make CSS selections.
+
+    ***/
+    __class__: MochiKit.Selector.Selector,
+
+    /** @id MochiKit.Selector.Selector.prototype.parseExpression */
+    parseExpression: function () {
+        function abort(message) {
+            throw 'Parse error in selector: ' + message;
+        }
+
+        if (this.expression == '')  {
+            abort('empty expression');
+        }
+
+        var repr = MochiKit.Base.repr;
+        var params = this.params;
+        var expr = this.expression;
+        var match, modifier, clause, rest;
+        while (match = expr.match(/^(.*)\[([a-z0-9_:-]+?)(?:([~\|!^$*]?=)(?:"([^"]*)"|([^\]\s]*)))?\]$/i)) {
+            params.attributes = params.attributes || [];
+            params.attributes.push({name: match[2], operator: match[3], value: match[4] || match[5] || ''});
+            expr = match[1];
+        }
+
+        if (expr == '*') {
+            return this.params.wildcard = true;
+        }
+
+        while (match = expr.match(/^([^a-z0-9_-])?([a-z0-9_-]+(?:\([^)]*\))?)(.*)/i)) {
+            modifier = match[1];
+            clause = match[2];
+            rest = match[3];
+            switch (modifier) {
+                case '#':
+                    params.id = clause;
+                    break;
+                case '.':
+                    params.classNames.push(clause);
+                    break;
+                case ':':
+                    params.pseudoClassNames.push(clause);
+                    break;
+                case '':
+                case undefined:
+                    params.tagName = clause.toUpperCase();
+                    break;
+                default:
+                    abort(repr(expr));
+            }
+            expr = rest;
+        }
+
+        if (expr.length > 0) {
+            abort(repr(expr));
+        }
+    },
+
+    /** @id MochiKit.Selector.Selector.prototype.buildMatchExpression */
+    buildMatchExpression: function () {
+        var repr = MochiKit.Base.repr;
+        var params = this.params;
+        var conditions = [];
+        var clause, i;
+
+        function childElements(element) {
+            return "MochiKit.Base.filter(function (node) { return node.nodeType == 1; }, " + element + ".childNodes)";
+        }
+
+        if (params.wildcard) {
+            conditions.push('true');
+        }
+        if (clause = params.id) {
+            conditions.push('element.id == ' + repr(clause));
+        }
+        if (clause = params.tagName) {
+            conditions.push('element.tagName.toUpperCase() == ' + repr(clause));
+        }
+        if ((clause = params.classNames).length > 0) {
+            for (i = 0; i < clause.length; i++) {
+                conditions.push('MochiKit.DOM.hasElementClass(element, ' + repr(clause[i]) + ')');
+            }
+        }
+        if ((clause = params.pseudoClassNames).length > 0) {
+            for (i = 0; i < clause.length; i++) {
+                var match = clause[i].match(/^([^(]+)(?:\((.*)\))?$/);
+                var pseudoClass = match[1];
+                var pseudoClassArgument = match[2];
+                switch (pseudoClass) {
+                    case 'root':
+                        conditions.push('element.nodeType == 9 || element === element.ownerDocument.documentElement'); break;
+                    case 'nth-child':
+                    case 'nth-last-child':
+                    case 'nth-of-type':
+                    case 'nth-last-of-type':
+                        match = pseudoClassArgument.match(/^((?:(\d+)n\+)?(\d+)|odd|even)$/);
+                        if (!match) {
+                            throw "Invalid argument to pseudo element nth-child: " + pseudoClassArgument;
+                        }
+                        var a, b;
+                        if (match[0] == 'odd') {
+                            a = 2;
+                            b = 1;
+                        } else if (match[0] == 'even') {
+                            a = 2;
+                            b = 0;
+                        } else {
+                            a = match[2] && parseInt(match) || null;
+                            b = parseInt(match[3]);
+                        }
+                        conditions.push('this.nthChild(element,' + a + ',' + b
+                                        + ',' + !!pseudoClass.match('^nth-last')    // Reverse
+                                        + ',' + !!pseudoClass.match('of-type$')     // Restrict to same tagName
+                                        + ')');
+                        break;
+                    case 'first-child':
+                        conditions.push('this.nthChild(element, null, 1)');
+                        break;
+                    case 'last-child':
+                        conditions.push('this.nthChild(element, null, 1, true)');
+                        break;
+                    case 'first-of-type':
+                        conditions.push('this.nthChild(element, null, 1, false, true)');
+                        break;
+                    case 'last-of-type':
+                        conditions.push('this.nthChild(element, null, 1, true, true)');
+                        break;
+                    case 'only-child':
+                        conditions.push(childElements('element.parentNode') + '.length == 1');
+                        break;
+                    case 'only-of-type':
+                        conditions.push('MochiKit.Base.filter(function (node) { return node.tagName == element.tagName; }, ' + childElements('element.parentNode') + ').length == 1');
+                        break;
+                    case 'empty':
+                        conditions.push('element.childNodes.length == 0');
+                        break;
+                    case 'enabled':
+                        conditions.push('(this.isUIElement(element) && element.disabled === false)');
+                        break;
+                    case 'disabled':
+                        conditions.push('(this.isUIElement(element) && element.disabled === true)');
+                        break;
+                    case 'checked':
+                        conditions.push('(this.isUIElement(element) && element.checked === true)');
+                        break;
+                    case 'not':
+                        var subselector = new MochiKit.Selector.Selector(pseudoClassArgument);
+                        conditions.push('!( ' + subselector.buildMatchExpression() + ')')
+                        break;
+                }
+            }
+        }
+        if (clause = params.attributes) {
+            MochiKit.Base.map(function (attribute) {
+                var value = 'MochiKit.DOM.getNodeAttribute(element, ' + repr(attribute.name) + ')';
+                var splitValueBy = function (delimiter) {
+                    return value + '.split(' + repr(delimiter) + ')';
+                }
+                conditions.push(value + ' != null');
+                switch (attribute.operator) {
+                    case '=':
+                        conditions.push(value + ' == ' + repr(attribute.value));
+                        break;
+                    case '~=':
+                        conditions.push('MochiKit.Base.findValue(' + splitValueBy(' ') + ', ' + repr(attribute.value) + ') > -1');
+                        break;
+                    case '^=':
+                        conditions.push(value + '.substring(0, ' + attribute.value.length + ') == ' + repr(attribute.value));
+                        break;
+                    case '$=':
+                        conditions.push(value + '.substring(' + value + '.length - ' + attribute.value.length + ') == ' + repr(attribute.value));
+                        break;
+                    case '*=':
+                        conditions.push(value + '.match(' + repr(attribute.value) + ')');
+                        break;
+                    case '|=':
+                        conditions.push(splitValueBy('-') + '[0].toUpperCase() == ' + repr(attribute.value.toUpperCase()));
+                        break;
+                    case '!=':
+                        conditions.push(value + ' != ' + repr(attribute.value));
+                        break;
+                    case '':
+                    case undefined:
+                        // Condition already added above
+                        break;
+                    default:
+                        throw 'Unknown operator ' + attribute.operator + ' in selector';
+                }
+            }, clause);
+        }
+
+        return conditions.join(' && ');
+    },
+
+    /** @id MochiKit.Selector.Selector.prototype.compileMatcher */
+    compileMatcher: function () {
+        var code = 'return (!element.tagName) ? false : ' +
+                   this.buildMatchExpression() + ';';
+        this.match = new Function('element', code);
+    },
+
+    /** @id MochiKit.Selector.Selector.prototype.nthChild */
+    nthChild: function (element, a, b, reverse, sametag){
+        var siblings = MochiKit.Base.filter(function (node) {
+            return node.nodeType == 1;
+        }, element.parentNode.childNodes);
+        if (sametag) {
+            siblings = MochiKit.Base.filter(function (node) {
+                return node.tagName == element.tagName;
+            }, siblings);
+        }
+        if (reverse) {
+            siblings = MochiKit.Iter.reversed(siblings);
+        }
+        if (a) {
+            var actualIndex = MochiKit.Base.findIdentical(siblings, element);
+            return ((actualIndex + 1 - b) / a) % 1 == 0;
+        } else {
+            return b == MochiKit.Base.findIdentical(siblings, element) + 1;
+        }
+    },
+
+    /** @id MochiKit.Selector.Selector.prototype.isUIElement */
+    isUIElement: function (element) {
+        return MochiKit.Base.findValue(['input', 'button', 'select', 'option', 'textarea', 'object'],
+                element.tagName.toLowerCase()) > -1;
+    },
+
+    /** @id MochiKit.Selector.Selector.prototype.findElements */
+    findElements: function (scope, axis) {
+        var element;
+
+        if (axis == undefined) {
+            axis = "";
+        }
+
+        function inScope(element, scope) {
+            if (axis == "") {
+                return MochiKit.DOM.isChildNode(element, scope);
+            } else if (axis == ">") {
+                return element.parentNode === scope;
+            } else if (axis == "+") {
+                return element === nextSiblingElement(scope);
+            } else if (axis == "~") {
+                var sibling = scope;
+                while (sibling = nextSiblingElement(sibling)) {
+                    if (element === sibling) {
+                        return true;
+                    }
+                }
+                return false;
+            } else {
+                throw "Invalid axis: " + axis;
+            }
+        }
+
+        if (element = MochiKit.DOM.getElement(this.params.id)) {
+            if (this.match(element)) {
+                if (!scope || inScope(element, scope)) {
+                    return [element];
+                }
+            }
+        }
+
+        function nextSiblingElement(node) {
+            node = node.nextSibling;
+            while (node && node.nodeType != 1) {
+                node = node.nextSibling;
+            }
+            return node;
+        }
+
+        if (axis == "") {
+            scope = (scope || MochiKit.DOM.currentDocument()).getElementsByTagName(this.params.tagName || '*');
+        } else if (axis == ">") {
+            if (!scope) {
+                throw "> combinator not allowed without preceeding expression";
+            }
+            scope = MochiKit.Base.filter(function (node) {
+                return node.nodeType == 1;
+            }, scope.childNodes);
+        } else if (axis == "+") {
+            if (!scope) {
+                throw "+ combinator not allowed without preceeding expression";
+            }
+            scope = nextSiblingElement(scope) && [nextSiblingElement(scope)];
+        } else if (axis == "~") {
+            if (!scope) {
+                throw "~ combinator not allowed without preceeding expression";
+            }
+            var newscope = [];
+            while (nextSiblingElement(scope)) {
+                scope = nextSiblingElement(scope);
+                newscope.push(scope);
+            }
+            scope = newscope;
+        }
+
+        if (!scope) {
+            return [];
+        }
+
+        var results = MochiKit.Base.filter(MochiKit.Base.bind(function (scopeElt) {
+            return this.match(scopeElt);
+        }, this), scope);
+
+        return results;
+    },
+
+    /** @id MochiKit.Selector.Selector.prototype.repr */
+    repr: function () {
+        return 'Selector(' + this.expression + ')';
+    },
+
+    toString: MochiKit.Base.forwardCall("repr")
+};
+
+MochiKit.Base.update(MochiKit.Selector, {
+
+    /** @id MochiKit.Selector.findChildElements */
+    findChildElements: function (element, expressions) {
+        element = MochiKit.DOM.getElement(element);
+        var uniq = function(arr) {
+            var res = [];
+            for (var i = 0; i < arr.length; i++) {
+                if (MochiKit.Base.findIdentical(res, arr[i]) < 0) {
+                    res.push(arr[i]);
+                }
+            }
+            return res;
+        };
+        return MochiKit.Base.flattenArray(MochiKit.Base.map(function (expression) {
+            var nextScope = "";
+            var reducer = function (results, expr) {
+                var match = expr.match(/^[>+~]$/);
+                if (match) {
+                    nextScope = match[0];
+                    return results;
+                } else {
+                    var selector = new MochiKit.Selector.Selector(expr);
+                    var elements = MochiKit.Iter.reduce(function (elements, result) {
+                        return MochiKit.Base.extend(elements, selector.findElements(result || element, nextScope));
+                    }, results, []);
+                    nextScope = "";
+                    return elements;
+                }
+            };
+            var exprs = expression.replace(/(^\s+|\s+$)/g, '').split(/\s+/);
+            return uniq(MochiKit.Iter.reduce(reducer, exprs, [null]));
+        }, expressions));
+    },
+
+    findDocElements: function () {
+        return MochiKit.Selector.findChildElements(MochiKit.DOM.currentDocument(), arguments);
+    },
+
+    __new__: function () {
+        this.$$ = this.findDocElements;
+        MochiKit.Base.nameFunctions(this);
+    }
+});
+
+MochiKit.Selector.__new__();
+
+MochiKit.Base._exportSymbols(this, MochiKit.Selector);
diff --git a/frontend/gamma/js/MochiKit/Signal.js b/frontend/gamma/js/MochiKit/Signal.js
new file mode 100644
index 0000000..7df5619
--- a/dev/null
+++ b/frontend/gamma/js/MochiKit/Signal.js
@@ -0,0 +1,888 @@
+/***
+
+MochiKit.Signal 1.5
+
+See <http://mochikit.com/> for documentation, downloads, license, etc.
+
+(c) 2006 Jonathan Gardner, Beau Hartshorne, Bob Ippolito.  All rights Reserved.
+
+***/
+
+MochiKit.Base._module('Signal', '1.5', ['Base', 'DOM', 'Style']);
+
+MochiKit.Signal._observers = [];
+
+/** @id MochiKit.Signal.Event */
+MochiKit.Signal.Event = function (src, e) {
+    this._event = e || window.event;
+    this._src = src;
+};
+MochiKit.Signal.Event.__export__ = false;
+
+MochiKit.Base.update(MochiKit.Signal.Event.prototype, {
+
+    __repr__: function () {
+        var repr = MochiKit.Base.repr;
+        var str = '{event(): ' + repr(this.event()) +
+            ', src(): ' + repr(this.src()) +
+            ', type(): ' + repr(this.type()) +
+            ', target(): ' + repr(this.target());
+
+        if (this.type() &&
+            this.type().indexOf('key') === 0 ||
+            this.type().indexOf('mouse') === 0 ||
+            this.type().indexOf('click') != -1 ||
+            this.type() == 'contextmenu') {
+            str += ', modifier(): ' + '{alt: ' + repr(this.modifier().alt) +
+            ', ctrl: ' + repr(this.modifier().ctrl) +
+            ', meta: ' + repr(this.modifier().meta) +
+            ', shift: ' + repr(this.modifier().shift) +
+            ', any: ' + repr(this.modifier().any) + '}';
+        }
+
+        if (this.type() && this.type().indexOf('key') === 0) {
+            str += ', key(): {code: ' + repr(this.key().code) +
+                ', string: ' + repr(this.key().string) + '}';
+        }
+
+        if (this.type() && (
+            this.type().indexOf('mouse') === 0 ||
+            this.type().indexOf('click') != -1 ||
+            this.type() == 'contextmenu')) {
+
+            str += ', mouse(): {page: ' + repr(this.mouse().page) +
+                ', client: ' + repr(this.mouse().client);
+
+            if (this.type() != 'mousemove' && this.type() != 'mousewheel') {
+                str += ', button: {left: ' + repr(this.mouse().button.left) +
+                    ', middle: ' + repr(this.mouse().button.middle) +
+                    ', right: ' + repr(this.mouse().button.right) + '}';
+            }
+            if (this.type() == 'mousewheel') {
+                str += ', wheel: ' + repr(this.mouse().wheel);
+            }
+            str += '}';
+        }
+        if (this.type() == 'mouseover' || this.type() == 'mouseout' || 
+            this.type() == 'mouseenter' || this.type() == 'mouseleave') {
+            str += ', relatedTarget(): ' + repr(this.relatedTarget());
+        }
+        str += '}';
+        return str;
+    },
+
+     /** @id MochiKit.Signal.Event.prototype.toString */
+    toString: function () {
+        return this.__repr__();
+    },
+
+    /** @id MochiKit.Signal.Event.prototype.src */
+    src: function () {
+        return this._src;
+    },
+
+    /** @id MochiKit.Signal.Event.prototype.event  */
+    event: function () {
+        return this._event;
+    },
+
+    /** @id MochiKit.Signal.Event.prototype.type */
+    type: function () {
+        if (this._event.type === "DOMMouseScroll") {
+            return "mousewheel";
+        } else {
+            return this._event.type || undefined;
+        }
+    },
+
+    /** @id MochiKit.Signal.Event.prototype.target */
+    target: function () {
+        return this._event.target || this._event.srcElement;
+    },
+
+    _relatedTarget: null,
+    /** @id MochiKit.Signal.Event.prototype.relatedTarget */
+    relatedTarget: function () {
+        if (this._relatedTarget !== null) {
+            return this._relatedTarget;
+        }
+
+        var elem = null;
+        if (this.type() == 'mouseover' || this.type() == 'mouseenter') {
+            elem = (this._event.relatedTarget ||
+                this._event.fromElement);
+        } else if (this.type() == 'mouseout' || this.type() == 'mouseleave') {
+            elem = (this._event.relatedTarget ||
+                this._event.toElement);
+        }
+        try {
+            if (elem !== null && elem.nodeType !== null) {
+                this._relatedTarget = elem;
+                return elem;
+            }
+        } catch (ignore) {
+            // Firefox 3 throws a permission denied error when accessing
+            // any property on XUL elements (e.g. scrollbars)...
+        }
+
+        return undefined;
+    },
+
+    _modifier: null,
+    /** @id MochiKit.Signal.Event.prototype.modifier */
+    modifier: function () {
+        if (this._modifier !== null) {
+            return this._modifier;
+        }
+        var m = {};
+        m.alt = this._event.altKey;
+        m.ctrl = this._event.ctrlKey;
+        m.meta = this._event.metaKey || false; // IE and Opera punt here
+        m.shift = this._event.shiftKey;
+        m.any = m.alt || m.ctrl || m.shift || m.meta;
+        this._modifier = m;
+        return m;
+    },
+
+    _key: null,
+    /** @id MochiKit.Signal.Event.prototype.key */
+    key: function () {
+        if (this._key !== null) {
+            return this._key;
+        }
+        var k = {};
+        if (this.type() && this.type().indexOf('key') === 0) {
+
+            /*
+
+                If you're looking for a special key, look for it in keydown or
+                keyup, but never keypress. If you're looking for a Unicode
+                chracter, look for it with keypress, but never keyup or
+                keydown.
+
+                Notes:
+
+                FF key event behavior:
+                key     event   charCode    keyCode
+                DOWN    ku,kd   0           40
+                DOWN    kp      0           40
+                ESC     ku,kd   0           27
+                ESC     kp      0           27
+                a       ku,kd   0           65
+                a       kp      97          0
+                shift+a ku,kd   0           65
+                shift+a kp      65          0
+                1       ku,kd   0           49
+                1       kp      49          0
+                shift+1 ku,kd   0           0
+                shift+1 kp      33          0
+
+                IE key event behavior:
+                (IE doesn't fire keypress events for special keys.)
+                key     event   keyCode
+                DOWN    ku,kd   40
+                DOWN    kp      undefined
+                ESC     ku,kd   27
+                ESC     kp      27
+                a       ku,kd   65
+                a       kp      97
+                shift+a ku,kd   65
+                shift+a kp      65
+                1       ku,kd   49
+                1       kp      49
+                shift+1 ku,kd   49
+                shift+1 kp      33
+
+                Safari key event behavior:
+                (Safari sets charCode and keyCode to something crazy for
+                special keys.)
+                key     event   charCode    keyCode
+                DOWN    ku,kd   63233       40
+                DOWN    kp      63233       63233
+                ESC     ku,kd   27          27
+                ESC     kp      27          27
+                a       ku,kd   97          65
+                a       kp      97          97
+                shift+a ku,kd   65          65
+                shift+a kp      65          65
+                1       ku,kd   49          49
+                1       kp      49          49
+                shift+1 ku,kd   33          49
+                shift+1 kp      33          33
+
+            */
+
+            /* look for special keys here */
+            if (this.type() == 'keydown' || this.type() == 'keyup') {
+                k.code = this._event.keyCode;
+                k.string = (MochiKit.Signal._specialKeys[k.code] ||
+                    'KEY_UNKNOWN');
+                this._key = k;
+                return k;
+
+            /* look for characters here */
+            } else if (this.type() == 'keypress') {
+
+                /*
+
+                    Special key behavior:
+
+                    IE: does not fire keypress events for special keys
+                    FF: sets charCode to 0, and sets the correct keyCode
+                    Safari: sets keyCode and charCode to something stupid
+
+                */
+
+                k.code = 0;
+                k.string = '';
+
+                if (typeof(this._event.charCode) != 'undefined' &&
+                    this._event.charCode !== 0 &&
+                    !MochiKit.Signal._specialMacKeys[this._event.charCode]) {
+                    k.code = this._event.charCode;
+                    k.string = String.fromCharCode(k.code);
+                } else if (this._event.keyCode &&
+                    typeof(this._event.charCode) == 'undefined') { // IE
+                    k.code = this._event.keyCode;
+                    k.string = String.fromCharCode(k.code);
+                }
+
+                this._key = k;
+                return k;
+            }
+        }
+        return undefined;
+    },
+
+    _mouse: null,
+    /** @id MochiKit.Signal.Event.prototype.mouse */
+    mouse: function () {
+        if (this._mouse !== null) {
+            return this._mouse;
+        }
+
+        var m = {};
+        var e = this._event;
+
+        if (this.type() && (
+            this.type().indexOf('mouse') === 0 ||
+            this.type().indexOf('click') != -1 ||
+            this.type() == 'contextmenu')) {
+
+            m.client = new MochiKit.Style.Coordinates(0, 0);
+            if (e.clientX || e.clientY) {
+                m.client.x = (!e.clientX || e.clientX < 0) ? 0 : e.clientX;
+                m.client.y = (!e.clientY || e.clientY < 0) ? 0 : e.clientY;
+            }
+
+            m.page = new MochiKit.Style.Coordinates(0, 0);
+            if (e.pageX || e.pageY) {
+                m.page.x = (!e.pageX || e.pageX < 0) ? 0 : e.pageX;
+                m.page.y = (!e.pageY || e.pageY < 0) ? 0 : e.pageY;
+            } else {
+                /*
+
+                    The IE shortcut can be off by two. We fix it. See:
+                    http://msdn.microsoft.com/workshop/author/dhtml/reference/methods/getboundingclientrect.asp
+
+                    This is similar to the method used in
+                    MochiKit.Style.getElementPosition().
+
+                */
+                var de = MochiKit.DOM._document.documentElement;
+                var b = MochiKit.DOM._document.body;
+
+                m.page.x = e.clientX +
+                    (de.scrollLeft || b.scrollLeft) -
+                    (de.clientLeft || 0);
+
+                m.page.y = e.clientY +
+                    (de.scrollTop || b.scrollTop) -
+                    (de.clientTop || 0);
+
+            }
+            if (this.type() != 'mousemove' && this.type() != 'mousewheel') {
+                m.button = {};
+                m.button.left = false;
+                m.button.right = false;
+                m.button.middle = false;
+
+                /* we could check e.button, but which is more consistent */
+                if (e.which) {
+                    m.button.left = (e.which == 1);
+                    m.button.middle = (e.which == 2);
+                    m.button.right = (e.which == 3);
+
+                    /*
+
+                        Mac browsers and right click:
+
+                            - Safari doesn't fire any click events on a right
+                              click:
+                              http://bugs.webkit.org/show_bug.cgi?id=6595
+
+                            - Firefox fires the event, and sets ctrlKey = true
+
+                            - Opera fires the event, and sets metaKey = true
+
+                        oncontextmenu is fired on right clicks between
+                        browsers and across platforms.
+
+                    */
+
+                } else {
+                    m.button.left = !!(e.button & 1);
+                    m.button.right = !!(e.button & 2);
+                    m.button.middle = !!(e.button & 4);
+                }
+            }
+            if (this.type() == 'mousewheel') {
+                m.wheel = new MochiKit.Style.Coordinates(0, 0);
+                if (e.wheelDeltaX || e.wheelDeltaY) {
+                    m.wheel.x = e.wheelDeltaX / -40 || 0;
+                    m.wheel.y = e.wheelDeltaY / -40 || 0;
+                } else if (e.wheelDelta) {
+                    m.wheel.y = e.wheelDelta / -40;
+                } else {
+                    m.wheel.y = e.detail || 0;
+                }
+            }
+            this._mouse = m;
+            return m;
+        }
+        return undefined;
+    },
+
+    /** @id MochiKit.Signal.Event.prototype.stop */
+    stop: function () {
+        this.stopPropagation();
+        this.preventDefault();
+    },
+
+    /** @id MochiKit.Signal.Event.prototype.stopPropagation */
+    stopPropagation: function () {
+        if (this._event.stopPropagation) {
+            this._event.stopPropagation();
+        } else {
+            this._event.cancelBubble = true;
+        }
+    },
+
+    /** @id MochiKit.Signal.Event.prototype.preventDefault */
+    preventDefault: function () {
+        if (this._event.preventDefault) {
+            this._event.preventDefault();
+        } else if (this._confirmUnload === null) {
+            this._event.returnValue = false;
+        }
+    },
+
+    _confirmUnload: null,
+
+    /** @id MochiKit.Signal.Event.prototype.confirmUnload */
+    confirmUnload: function (msg) {
+        if (this.type() == 'beforeunload') {
+            this._confirmUnload = msg;
+            this._event.returnValue = msg;
+        }
+    }
+});
+
+/* Safari sets keyCode to these special values onkeypress. */
+MochiKit.Signal._specialMacKeys = {
+    3: 'KEY_ENTER',
+    63289: 'KEY_NUM_PAD_CLEAR',
+    63276: 'KEY_PAGE_UP',
+    63277: 'KEY_PAGE_DOWN',
+    63275: 'KEY_END',
+    63273: 'KEY_HOME',
+    63234: 'KEY_ARROW_LEFT',
+    63232: 'KEY_ARROW_UP',
+    63235: 'KEY_ARROW_RIGHT',
+    63233: 'KEY_ARROW_DOWN',
+    63302: 'KEY_INSERT',
+    63272: 'KEY_DELETE'
+};
+
+/* for KEY_F1 - KEY_F12 */
+(function () {
+    var _specialMacKeys = MochiKit.Signal._specialMacKeys;
+    for (var i = 63236; i <= 63242; i++) {
+        // no F0
+        _specialMacKeys[i] = 'KEY_F' + (i - 63236 + 1);
+    }
+})();
+
+/* Standard keyboard key codes. */
+MochiKit.Signal._specialKeys = {
+    8: 'KEY_BACKSPACE',
+    9: 'KEY_TAB',
+    12: 'KEY_NUM_PAD_CLEAR', // weird, for Safari and Mac FF only
+    13: 'KEY_ENTER',
+    16: 'KEY_SHIFT',
+    17: 'KEY_CTRL',
+    18: 'KEY_ALT',
+    19: 'KEY_PAUSE',
+    20: 'KEY_CAPS_LOCK',
+    27: 'KEY_ESCAPE',
+    32: 'KEY_SPACEBAR',
+    33: 'KEY_PAGE_UP',
+    34: 'KEY_PAGE_DOWN',
+    35: 'KEY_END',
+    36: 'KEY_HOME',
+    37: 'KEY_ARROW_LEFT',
+    38: 'KEY_ARROW_UP',
+    39: 'KEY_ARROW_RIGHT',
+    40: 'KEY_ARROW_DOWN',
+    44: 'KEY_PRINT_SCREEN',
+    45: 'KEY_INSERT',
+    46: 'KEY_DELETE',
+    59: 'KEY_SEMICOLON', // weird, for Safari and IE only
+    91: 'KEY_WINDOWS_LEFT',
+    92: 'KEY_WINDOWS_RIGHT',
+    93: 'KEY_SELECT',
+    106: 'KEY_NUM_PAD_ASTERISK',
+    107: 'KEY_NUM_PAD_PLUS_SIGN',
+    109: 'KEY_NUM_PAD_HYPHEN-MINUS',
+    110: 'KEY_NUM_PAD_FULL_STOP',
+    111: 'KEY_NUM_PAD_SOLIDUS',
+    144: 'KEY_NUM_LOCK',
+    145: 'KEY_SCROLL_LOCK',
+    186: 'KEY_SEMICOLON',
+    187: 'KEY_EQUALS_SIGN',
+    188: 'KEY_COMMA',
+    189: 'KEY_HYPHEN-MINUS',
+    190: 'KEY_FULL_STOP',
+    191: 'KEY_SOLIDUS',
+    192: 'KEY_GRAVE_ACCENT',
+    219: 'KEY_LEFT_SQUARE_BRACKET',
+    220: 'KEY_REVERSE_SOLIDUS',
+    221: 'KEY_RIGHT_SQUARE_BRACKET',
+    222: 'KEY_APOSTROPHE'
+    // undefined: 'KEY_UNKNOWN'
+};
+
+(function () {
+    /* for KEY_0 - KEY_9 */
+    var _specialKeys = MochiKit.Signal._specialKeys;
+    for (var i = 48; i <= 57; i++) {
+        _specialKeys[i] = 'KEY_' + (i - 48);
+    }
+
+    /* for KEY_A - KEY_Z */
+    for (i = 65; i <= 90; i++) {
+        _specialKeys[i] = 'KEY_' + String.fromCharCode(i);
+    }
+
+    /* for KEY_NUM_PAD_0 - KEY_NUM_PAD_9 */
+    for (i = 96; i <= 105; i++) {
+        _specialKeys[i] = 'KEY_NUM_PAD_' + (i - 96);
+    }
+
+    /* for KEY_F1 - KEY_F12 */
+    for (i = 112; i <= 123; i++) {
+        // no F0
+        _specialKeys[i] = 'KEY_F' + (i - 112 + 1);
+    }
+})();
+
+/* Internal object to keep track of created signals. */
+MochiKit.Signal.Ident = function (ident) {
+    this.source = ident.source;
+    this.signal = ident.signal;
+    this.listener = ident.listener;
+    this.isDOM = ident.isDOM;
+    this.objOrFunc = ident.objOrFunc;
+    this.funcOrStr = ident.funcOrStr;
+    this.connected = ident.connected;
+};
+MochiKit.Signal.Ident.__export__ = false;
+MochiKit.Signal.Ident.prototype = {};
+
+MochiKit.Base.update(MochiKit.Signal, {
+
+    _unloadCache: function () {
+        var self = MochiKit.Signal;
+        var observers = self._observers;
+
+        for (var i = 0; i < observers.length; i++) {
+            if (observers[i].signal !== 'onload' && observers[i].signal !== 'onunload') {
+                self._disconnect(observers[i]);
+            }
+        }
+    },
+
+    _listener: function (src, sig, func, obj, isDOM) {
+        var self = MochiKit.Signal;
+        var E = self.Event;
+        if (!isDOM) {
+            /* We don't want to re-bind already bound methods */
+            if (typeof(func.im_self) == 'undefined') {
+                return MochiKit.Base.bindLate(func, obj);
+            } else {
+                return func;
+            }
+        }
+        obj = obj || src;
+        if (typeof(func) == "string") {
+            if (sig === 'onload' || sig === 'onunload') {
+                return function (nativeEvent) {
+                    obj[func].apply(obj, [new E(src, nativeEvent)]);
+                    
+                    var ident = new MochiKit.Signal.Ident({
+                        source: src, signal: sig, objOrFunc: obj, funcOrStr: func});
+                    
+                    MochiKit.Signal._disconnect(ident);
+                };
+            } else {
+                return function (nativeEvent) {
+                    obj[func].apply(obj, [new E(src, nativeEvent)]);
+                };
+            }
+        } else {
+            if (sig === 'onload' || sig === 'onunload') {
+                return function (nativeEvent) {
+                    func.apply(obj, [new E(src, nativeEvent)]);
+                    
+                    var ident = new MochiKit.Signal.Ident({
+                        source: src, signal: sig, objOrFunc: func});
+                    
+                    MochiKit.Signal._disconnect(ident);
+                };
+            } else {
+                return function (nativeEvent) {
+                    func.apply(obj, [new E(src, nativeEvent)]);
+                };
+            }
+        }
+    },
+
+    _browserAlreadyHasMouseEnterAndLeave: function () {
+        return /MSIE/.test(navigator.userAgent);
+    },
+
+    _browserLacksMouseWheelEvent: function () {
+        return /Gecko\//.test(navigator.userAgent);
+    },
+
+    _mouseEnterListener: function (src, sig, func, obj) {
+        var E = MochiKit.Signal.Event;
+        return function (nativeEvent) {
+            var e = new E(src, nativeEvent);
+            try {
+                e.relatedTarget().nodeName;
+            } catch (err) {
+                /* probably hit a permission denied error; possibly one of
+                 * firefox's screwy anonymous DIVs inside an input element.
+                 * Allow this event to propogate up.
+                 */
+                return;
+            }
+            e.stop();
+            if (MochiKit.DOM.isChildNode(e.relatedTarget(), src)) {
+                /* We've moved between our node and a child. Ignore. */
+                return;
+            }
+            e.type = function () { return sig; };
+            if (typeof(func) == "string") {
+                return obj[func].apply(obj, [e]);
+            } else {
+                return func.apply(obj, [e]);
+            }
+        };
+    },
+
+    _getDestPair: function (objOrFunc, funcOrStr) {
+        var obj = null;
+        var func = null;
+        if (typeof(funcOrStr) != 'undefined') {
+            obj = objOrFunc;
+            func = funcOrStr;
+            if (typeof(funcOrStr) == 'string') {
+                if (typeof(objOrFunc[funcOrStr]) != "function") {
+                    throw new Error("'funcOrStr' must be a function on 'objOrFunc'");
+                }
+            } else if (typeof(funcOrStr) != 'function') {
+                throw new Error("'funcOrStr' must be a function or string");
+            }
+        } else if (typeof(objOrFunc) != "function") {
+            throw new Error("'objOrFunc' must be a function if 'funcOrStr' is not given");
+        } else {
+            func = objOrFunc;
+        }
+        return [obj, func];
+    },
+
+    /** @id MochiKit.Signal.connect */
+    connect: function (src, sig, objOrFunc/* optional */, funcOrStr) {
+        if (typeof(src) == "string") {
+            src = MochiKit.DOM.getElement(src);
+        }
+        var self = MochiKit.Signal;
+
+        if (typeof(sig) != 'string') {
+            throw new Error("'sig' must be a string");
+        }
+
+        var destPair = self._getDestPair(objOrFunc, funcOrStr);
+        var obj = destPair[0];
+        var func = destPair[1];
+        if (typeof(obj) == 'undefined' || obj === null) {
+            obj = src;
+        }
+
+        var isDOM = !!(src.addEventListener || src.attachEvent);
+        if (isDOM && (sig === "onmouseenter" || sig === "onmouseleave")
+                  && !self._browserAlreadyHasMouseEnterAndLeave()) {
+            var listener = self._mouseEnterListener(src, sig.substr(2), func, obj);
+            if (sig === "onmouseenter") {
+                sig = "onmouseover";
+            } else {
+                sig = "onmouseout";
+            }
+        } else if (isDOM && sig == "onmousewheel" && self._browserLacksMouseWheelEvent()) {
+            var listener = self._listener(src, sig, func, obj, isDOM);
+            sig = "onDOMMouseScroll";
+        } else {
+            var listener = self._listener(src, sig, func, obj, isDOM);
+        }
+
+        if (src.addEventListener) {
+            src.addEventListener(sig.substr(2), listener, false);
+        } else if (src.attachEvent) {
+            src.attachEvent(sig, listener); // useCapture unsupported
+        }
+
+        var ident = new MochiKit.Signal.Ident({
+            source: src, 
+            signal: sig, 
+            listener: listener, 
+            isDOM: isDOM, 
+            objOrFunc: objOrFunc, 
+            funcOrStr: funcOrStr, 
+            connected: true
+        });
+        self._observers.push(ident);
+
+        if (!isDOM && typeof(src.__connect__) == 'function') {
+            var args = MochiKit.Base.extend([ident], arguments, 1);
+            src.__connect__.apply(src, args);
+        }
+
+        return ident;
+    },
+
+    _disconnect: function (ident) {
+        // already disconnected
+        if (!ident.connected) {
+            return;
+        }
+        ident.connected = false;
+        var src = ident.source;
+        var sig = ident.signal;
+        var listener = ident.listener;
+        // check isDOM
+        if (!ident.isDOM) {
+            if (typeof(src.__disconnect__) == 'function') {
+                src.__disconnect__(ident, sig, ident.objOrFunc, ident.funcOrStr);
+            }
+            return;
+        }
+        if (src.removeEventListener) {
+            src.removeEventListener(sig.substr(2), listener, false);
+        } else if (src.detachEvent) {
+            src.detachEvent(sig, listener); // useCapture unsupported
+        } else {
+            throw new Error("'src' must be a DOM element");
+        }
+    },
+
+     /** @id MochiKit.Signal.disconnect */
+    disconnect: function (ident) {
+        var self = MochiKit.Signal;
+        var observers = self._observers;
+        var m = MochiKit.Base;
+        if (arguments.length > 1) {
+            // compatibility API
+            var src = arguments[0];
+            if (typeof(src) == "string") {
+                src = MochiKit.DOM.getElement(src);
+            }
+            var sig = arguments[1];
+            var obj = arguments[2];
+            var func = arguments[3];
+            for (var i = observers.length - 1; i >= 0; i--) {
+                var o = observers[i];
+                if (o.source === src && o.signal === sig && o.objOrFunc === obj && o.funcOrStr === func) {
+                    self._disconnect(o);
+                    if (!self._lock) {
+                        observers.splice(i, 1);
+                    } else {
+                        self._dirty = true;
+                    }
+                    return true;
+                }
+            }
+        } else {
+            var idx = m.findIdentical(observers, ident);
+            if (idx >= 0) {
+                self._disconnect(ident);
+                if (!self._lock) {
+                    observers.splice(idx, 1);
+                } else {
+                    self._dirty = true;
+                }
+                return true;
+            }
+        }
+        return false;
+    },
+
+    /** @id MochiKit.Signal.disconnectAllTo */
+    disconnectAllTo: function (objOrFunc, /* optional */funcOrStr) {
+        var self = MochiKit.Signal;
+        var observers = self._observers;
+        var disconnect = self._disconnect;
+        var locked = self._lock;
+        var dirty = self._dirty;
+        if (typeof(funcOrStr) === 'undefined') {
+            funcOrStr = null;
+        }
+        for (var i = observers.length - 1; i >= 0; i--) {
+            var ident = observers[i];
+            if (ident.objOrFunc === objOrFunc &&
+                    (funcOrStr === null || ident.funcOrStr === funcOrStr)) {
+                disconnect(ident);
+                if (locked) {
+                    dirty = true;
+                } else {
+                    observers.splice(i, 1);
+                }
+            }
+        }
+        self._dirty = dirty;
+    },
+
+    /** @id MochiKit.Signal.disconnectAll */
+    disconnectAll: function (src/* optional */, sig) {
+        if (typeof(src) == "string") {
+            src = MochiKit.DOM.getElement(src);
+        }
+        var m = MochiKit.Base;
+        var signals = m.flattenArguments(m.extend(null, arguments, 1));
+        var self = MochiKit.Signal;
+        var disconnect = self._disconnect;
+        var observers = self._observers;
+        var i, ident;
+        var locked = self._lock;
+        var dirty = self._dirty;
+        if (signals.length === 0) {
+            // disconnect all
+            for (i = observers.length - 1; i >= 0; i--) {
+                ident = observers[i];
+                if (ident.source === src) {
+                    disconnect(ident);
+                    if (!locked) {
+                        observers.splice(i, 1);
+                    } else {
+                        dirty = true;
+                    }
+                }
+            }
+        } else {
+            var sigs = {};
+            for (i = 0; i < signals.length; i++) {
+                sigs[signals[i]] = true;
+            }
+            for (i = observers.length - 1; i >= 0; i--) {
+                ident = observers[i];
+                if (ident.source === src && ident.signal in sigs) {
+                    disconnect(ident);
+                    if (!locked) {
+                        observers.splice(i, 1);
+                    } else {
+                        dirty = true;
+                    }
+                }
+            }
+        }
+        self._dirty = dirty;
+    },
+
+    /** @id MochiKit.Signal.signal */
+    signal: function (src, sig) {
+        var self = MochiKit.Signal;
+        var observers = self._observers;
+        if (typeof(src) == "string") {
+            src = MochiKit.DOM.getElement(src);
+        }
+        var args = MochiKit.Base.extend(null, arguments, 2);
+        var errors = [];
+        self._lock = true;
+        for (var i = 0; i < observers.length; i++) {
+            var ident = observers[i];
+            if (ident.source === src && ident.signal === sig &&
+                    ident.connected) {
+                try {
+                    if (ident.isDOM && ident.funcOrStr != null) {
+                        var obj = ident.objOrFunc;
+                        obj[ident.funcOrStr].apply(obj, args);
+                    } else if (ident.isDOM) {
+                        ident.objOrFunc.apply(src, args);
+                    } else {
+                        ident.listener.apply(src, args);
+                    }
+                } catch (e) {
+                    errors.push(e);
+                }
+            }
+        }
+        self._lock = false;
+        if (self._dirty) {
+            self._dirty = false;
+            for (var i = observers.length - 1; i >= 0; i--) {
+                if (!observers[i].connected) {
+                    observers.splice(i, 1);
+                }
+            }
+        }
+        if (errors.length == 1) {
+            throw errors[0];
+        } else if (errors.length > 1) {
+            var e = new Error("Multiple errors thrown in handling 'sig', see errors property");
+            e.errors = errors;
+            throw e;
+        }
+    }
+
+});
+
+MochiKit.Signal.__new__ = function (win) {
+    var m = MochiKit.Base;
+    this._document = document;
+    this._window = win;
+    this._lock = false;
+    this._dirty = false;
+
+    try {
+        this.connect(window, 'onunload', this._unloadCache);
+    } catch (e) {
+        // pass: might not be a browser
+    }
+
+    m.nameFunctions(this);
+};
+
+MochiKit.Signal.__new__(this);
+
+//
+// XXX: Internet Explorer blows
+//
+if (MochiKit.__export__) {
+    connect = MochiKit.Signal.connect;
+    disconnect = MochiKit.Signal.disconnect;
+    disconnectAll = MochiKit.Signal.disconnectAll;
+    signal = MochiKit.Signal.signal;
+}
+
+MochiKit.Base._exportSymbols(this, MochiKit.Signal);
diff --git a/frontend/gamma/js/MochiKit/Sortable.js b/frontend/gamma/js/MochiKit/Sortable.js
new file mode 100644
index 0000000..863b506
--- a/dev/null
+++ b/frontend/gamma/js/MochiKit/Sortable.js
@@ -0,0 +1,569 @@
+/***
+Copyright (c) 2005 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
+    Mochi-ized By Thomas Herve (_firstname_@nimail.org)
+
+See scriptaculous.js for full license.
+
+***/
+
+MochiKit.Base._module('Sortable', '1.5', ['Base', 'Iter', 'DOM', 'Position', 'DragAndDrop']);
+
+MochiKit.Base.update(MochiKit.Sortable, {
+    __export__: false,
+
+    /***
+
+    Manage sortables. Mainly use the create function to add a sortable.
+
+    ***/
+    sortables: {},
+
+    _findRootElement: function (element) {
+        while (element.tagName.toUpperCase() != "BODY") {
+            if (element.id && MochiKit.Sortable.sortables[element.id]) {
+                return element;
+            }
+            element = element.parentNode;
+        }
+    },
+
+    _createElementId: function(element) {
+        if (element.id == null || element.id == "") {
+            var d = MochiKit.DOM;
+            var id;
+            var count = 1;
+            while (d.getElement(id = "sortable" + count) != null) {
+                count += 1;
+            }
+            d.setNodeAttribute(element, "id", id);
+        }
+    },
+
+    /** @id MochiKit.Sortable.options */
+    options: function (element) {
+        element = MochiKit.Sortable._findRootElement(MochiKit.DOM.getElement(element));
+        if (!element) {
+            return;
+        }
+        return MochiKit.Sortable.sortables[element.id];
+    },
+
+    /** @id MochiKit.Sortable.destroy */
+    destroy: function (element){
+        var s = MochiKit.Sortable.options(element);
+        var b = MochiKit.Base;
+        var d = MochiKit.DragAndDrop;
+
+        if (s) {
+            MochiKit.Signal.disconnect(s.startHandle);
+            MochiKit.Signal.disconnect(s.endHandle);
+            b.map(function (dr) {
+                d.Droppables.remove(dr);
+            }, s.droppables);
+            b.map(function (dr) {
+                dr.destroy();
+            }, s.draggables);
+
+            delete MochiKit.Sortable.sortables[s.element.id];
+        }
+    },
+
+    /** @id MochiKit.Sortable.create */
+    create: function (element, options) {
+        element = MochiKit.DOM.getElement(element);
+        var self = MochiKit.Sortable;
+        self._createElementId(element);
+
+        /** @id MochiKit.Sortable.options */
+        options = MochiKit.Base.update({
+
+            /** @id MochiKit.Sortable.element */
+            element: element,
+
+            /** @id MochiKit.Sortable.tag */
+            tag: 'li',  // assumes li children, override with tag: 'tagname'
+
+            /** @id MochiKit.Sortable.dropOnEmpty */
+            dropOnEmpty: false,
+
+            /** @id MochiKit.Sortable.tree */
+            tree: false,
+
+            /** @id MochiKit.Sortable.treeTag */
+            treeTag: 'ul',
+
+            /** @id MochiKit.Sortable.overlap */
+            overlap: 'vertical',  // one of 'vertical', 'horizontal'
+
+            /** @id MochiKit.Sortable.constraint */
+            constraint: 'vertical',  // one of 'vertical', 'horizontal', false
+            // also takes array of elements (or ids); or false
+
+            /** @id MochiKit.Sortable.containment */
+            containment: [element],
+
+            /** @id MochiKit.Sortable.handle */
+            handle: false,  // or a CSS class
+
+            /** @id MochiKit.Sortable.only */
+            only: false,
+
+            /** @id MochiKit.Sortable.hoverclass */
+            hoverclass: null,
+
+            /** @id MochiKit.Sortable.ghosting */
+            ghosting: false,
+
+            /** @id MochiKit.Sortable.scroll */
+            scroll: false,
+
+            /** @id MochiKit.Sortable.scrollSensitivity */
+            scrollSensitivity: 20,
+
+            /** @id MochiKit.Sortable.scrollSpeed */
+            scrollSpeed: 15,
+
+            /** @id MochiKit.Sortable.format */
+            format: /^[^_]*_(.*)$/,
+
+            /** @id MochiKit.Sortable.onChange */
+            onChange: MochiKit.Base.noop,
+
+            /** @id MochiKit.Sortable.onUpdate */
+            onUpdate: MochiKit.Base.noop,
+
+            /** @id MochiKit.Sortable.accept */
+            accept: null
+        }, options);
+
+        // clear any old sortable with same element
+        self.destroy(element);
+
+        // build options for the draggables
+        var options_for_draggable = {
+            revert: true,
+            ghosting: options.ghosting,
+            scroll: options.scroll,
+            scrollSensitivity: options.scrollSensitivity,
+            scrollSpeed: options.scrollSpeed,
+            constraint: options.constraint,
+            handle: options.handle
+        };
+
+        if (options.starteffect) {
+            options_for_draggable.starteffect = options.starteffect;
+        }
+
+        if (options.reverteffect) {
+            options_for_draggable.reverteffect = options.reverteffect;
+        } else if (options.ghosting) {
+            options_for_draggable.reverteffect = function (innerelement) {
+                innerelement.style.top = 0;
+                innerelement.style.left = 0;
+            };
+        }
+
+        if (options.endeffect) {
+            options_for_draggable.endeffect = options.endeffect;
+        }
+
+        if (options.zindex) {
+            options_for_draggable.zindex = options.zindex;
+        }
+
+        // build options for the droppables
+        var options_for_droppable = {
+            overlap: options.overlap,
+            containment: options.containment,
+            hoverclass: options.hoverclass,
+            onhover: self.onHover,
+            tree: options.tree,
+            accept: options.accept
+        }
+
+        var options_for_tree = {
+            onhover: self.onEmptyHover,
+            overlap: options.overlap,
+            containment: options.containment,
+            hoverclass: options.hoverclass,
+            accept: options.accept
+        }
+
+        // fix for gecko engine
+        MochiKit.DOM.removeEmptyTextNodes(element);
+
+        options.draggables = [];
+        options.droppables = [];
+
+        // drop on empty handling
+        if (options.dropOnEmpty || options.tree) {
+            new MochiKit.DragAndDrop.Droppable(element, options_for_tree);
+            options.droppables.push(element);
+        }
+        MochiKit.Base.map(function (e) {
+            // handles are per-draggable
+            var handle = options.handle ?
+                MochiKit.DOM.getFirstElementByTagAndClassName(null,
+                    options.handle, e) : e;
+            options.draggables.push(
+                new MochiKit.DragAndDrop.Draggable(e,
+                    MochiKit.Base.update(options_for_draggable,
+                                         {handle: handle})));
+            new MochiKit.DragAndDrop.Droppable(e, options_for_droppable);
+            if (options.tree) {
+                e.treeNode = element;
+            }
+            options.droppables.push(e);
+        }, (self.findElements(element, options) || []));
+
+        if (options.tree) {
+            MochiKit.Base.map(function (e) {
+                new MochiKit.DragAndDrop.Droppable(e, options_for_tree);
+                e.treeNode = element;
+                options.droppables.push(e);
+            }, (self.findTreeElements(element, options) || []));
+        }
+
+        // keep reference
+        self.sortables[element.id] = options;
+
+        options.lastValue = self.serialize(element);
+        options.startHandle = MochiKit.Signal.connect(MochiKit.DragAndDrop.Draggables, 'start',
+                                MochiKit.Base.partial(self.onStart, element));
+        options.endHandle = MochiKit.Signal.connect(MochiKit.DragAndDrop.Draggables, 'end',
+                                MochiKit.Base.partial(self.onEnd, element));
+    },
+
+    /** @id MochiKit.Sortable.onStart */
+    onStart: function (element, draggable) {
+        var self = MochiKit.Sortable;
+        var options = self.options(element);
+        options.lastValue = self.serialize(options.element);
+    },
+
+    /** @id MochiKit.Sortable.onEnd */
+    onEnd: function (element, draggable) {
+        var self = MochiKit.Sortable;
+        self.unmark();
+        var options = self.options(element);
+        if (options.lastValue != self.serialize(options.element)) {
+            options.onUpdate(options.element);
+        }
+    },
+
+    // return all suitable-for-sortable elements in a guaranteed order
+
+    /** @id MochiKit.Sortable.findElements */
+    findElements: function (element, options) {
+        return MochiKit.Sortable.findChildren(element, options.only, options.tree, options.tag);
+    },
+
+    /** @id MochiKit.Sortable.findTreeElements */
+    findTreeElements: function (element, options) {
+        return MochiKit.Sortable.findChildren(
+            element, options.only, options.tree ? true : false, options.treeTag);
+    },
+
+    /** @id MochiKit.Sortable.findChildren */
+    findChildren: function (element, only, recursive, tagName) {
+        if (!element.hasChildNodes()) {
+            return null;
+        }
+        tagName = tagName.toUpperCase();
+        if (only) {
+            only = MochiKit.Base.flattenArray([only]);
+        }
+        var elements = [];
+        MochiKit.Base.map(function (e) {
+            if (e.tagName &&
+                e.tagName.toUpperCase() == tagName &&
+               (!only ||
+                MochiKit.Iter.some(only, function (c) {
+                    return MochiKit.DOM.hasElementClass(e, c);
+                }))) {
+                elements.push(e);
+            }
+            if (recursive) {
+                var grandchildren = MochiKit.Sortable.findChildren(e, only, recursive, tagName);
+                if (grandchildren && grandchildren.length > 0) {
+                    elements = elements.concat(grandchildren);
+                }
+            }
+        }, element.childNodes);
+        return elements;
+    },
+
+    /** @id MochiKit.Sortable.onHover */
+    onHover: function (element, dropon, overlap) {
+        if (MochiKit.DOM.isChildNode(dropon, element)) {
+            return;
+        }
+        var self = MochiKit.Sortable;
+
+        if (overlap > .33 && overlap < .66 && self.options(dropon).tree) {
+            return;
+        } else if (overlap > 0.5) {
+            self.mark(dropon, 'before');
+            if (dropon.previousSibling != element) {
+                var oldParentNode = element.parentNode;
+                element.style.visibility = 'hidden';  // fix gecko rendering
+                dropon.parentNode.insertBefore(element, dropon);
+                if (dropon.parentNode != oldParentNode) {
+                    self.options(oldParentNode).onChange(element);
+                }
+                self.options(dropon.parentNode).onChange(element);
+            }
+        } else {
+            self.mark(dropon, 'after');
+            var nextElement = dropon.nextSibling || null;
+            if (nextElement != element) {
+                var oldParentNode = element.parentNode;
+                element.style.visibility = 'hidden';  // fix gecko rendering
+                dropon.parentNode.insertBefore(element, nextElement);
+                if (dropon.parentNode != oldParentNode) {
+                    self.options(oldParentNode).onChange(element);
+                }
+                self.options(dropon.parentNode).onChange(element);
+            }
+        }
+    },
+
+    _offsetSize: function (element, type) {
+        if (type == 'vertical' || type == 'height') {
+            return element.offsetHeight;
+        } else {
+            return element.offsetWidth;
+        }
+    },
+
+    /** @id MochiKit.Sortable.onEmptyHover */
+    onEmptyHover: function (element, dropon, overlap) {
+        var oldParentNode = element.parentNode;
+        var self = MochiKit.Sortable;
+        var droponOptions = self.options(dropon);
+
+        if (!MochiKit.DOM.isChildNode(dropon, element)) {
+            var index;
+
+            var children = self.findElements(dropon, {tag: droponOptions.tag,
+                                                      only: droponOptions.only});
+            var child = null;
+
+            if (children) {
+                var offset = self._offsetSize(dropon, droponOptions.overlap) * (1.0 - overlap);
+
+                for (index = 0; index < children.length; index += 1) {
+                    if (offset - self._offsetSize(children[index], droponOptions.overlap) >= 0) {
+                        offset -= self._offsetSize(children[index], droponOptions.overlap);
+                    } else if (offset - (self._offsetSize (children[index], droponOptions.overlap) / 2) >= 0) {
+                        child = index + 1 < children.length ? children[index + 1] : null;
+                        break;
+                    } else {
+                        child = children[index];
+                        break;
+                    }
+                }
+            }
+
+            dropon.insertBefore(element, child);
+
+            self.options(oldParentNode).onChange(element);
+            droponOptions.onChange(element);
+        }
+    },
+
+    /** @id MochiKit.Sortable.unmark */
+    unmark: function () {
+        var m = MochiKit.Sortable._marker;
+        if (m) {
+            MochiKit.Style.hideElement(m);
+        }
+    },
+
+    /** @id MochiKit.Sortable.mark */
+    mark: function (dropon, position) {
+        // mark on ghosting only
+        var d = MochiKit.DOM;
+        var self = MochiKit.Sortable;
+        var sortable = self.options(dropon.parentNode);
+        if (sortable && !sortable.ghosting) {
+            return;
+        }
+
+        if (!self._marker) {
+            self._marker = d.getElement('dropmarker') ||
+                        document.createElement('DIV');
+            MochiKit.Style.hideElement(self._marker);
+            d.addElementClass(self._marker, 'dropmarker');
+            self._marker.style.position = 'absolute';
+            document.getElementsByTagName('body').item(0).appendChild(self._marker);
+        }
+        var offsets = MochiKit.Position.cumulativeOffset(dropon);
+        self._marker.style.left = offsets.x + 'px';
+        self._marker.style.top = offsets.y + 'px';
+
+        if (position == 'after') {
+            if (sortable.overlap == 'horizontal') {
+                self._marker.style.left = (offsets.x + dropon.clientWidth) + 'px';
+            } else {
+                self._marker.style.top = (offsets.y + dropon.clientHeight) + 'px';
+            }
+        }
+        MochiKit.Style.showElement(self._marker);
+    },
+
+    _tree: function (element, options, parent) {
+        var self = MochiKit.Sortable;
+        var children = self.findElements(element, options) || [];
+
+        for (var i = 0; i < children.length; ++i) {
+            var match = children[i].id.match(options.format);
+
+            if (!match) {
+                continue;
+            }
+
+            var child = {
+                id: encodeURIComponent(match ? match[1] : null),
+                element: element,
+                parent: parent,
+                children: [],
+                position: parent.children.length,
+                container: self._findChildrenElement(children[i], options.treeTag.toUpperCase())
+            }
+
+            /* Get the element containing the children and recurse over it */
+            if (child.container) {
+                self._tree(child.container, options, child)
+            }
+
+            parent.children.push (child);
+        }
+
+        return parent;
+    },
+
+    /* Finds the first element of the given tag type within a parent element.
+       Used for finding the first LI[ST] within a L[IST]I[TEM].*/
+    _findChildrenElement: function (element, containerTag) {
+        if (element && element.hasChildNodes) {
+            containerTag = containerTag.toUpperCase();
+            for (var i = 0; i < element.childNodes.length; ++i) {
+                if (element.childNodes[i].tagName.toUpperCase() == containerTag) {
+                    return element.childNodes[i];
+                }
+            }
+        }
+        return null;
+    },
+
+    /** @id MochiKit.Sortable.tree */
+    tree: function (element, options) {
+        element = MochiKit.DOM.getElement(element);
+        var sortableOptions = MochiKit.Sortable.options(element);
+        options = MochiKit.Base.update({
+            tag: sortableOptions.tag,
+            treeTag: sortableOptions.treeTag,
+            only: sortableOptions.only,
+            name: element.id,
+            format: sortableOptions.format
+        }, options || {});
+
+        var root = {
+            id: null,
+            parent: null,
+            children: new Array,
+            container: element,
+            position: 0
+        }
+
+        return MochiKit.Sortable._tree(element, options, root);
+    },
+
+    /**
+     * Specifies the sequence for the Sortable.
+     * @param {Node} element    Element to use as the Sortable.
+     * @param {Object} newSequence    New sequence to use.
+     * @param {Object} options    Options to use fro the Sortable.
+     */
+    setSequence: function (element, newSequence, options) {
+        var self = MochiKit.Sortable;
+        var b = MochiKit.Base;
+        element = MochiKit.DOM.getElement(element);
+        options = b.update(self.options(element), options || {});
+
+        var nodeMap = {};
+        b.map(function (n) {
+            var m = n.id.match(options.format);
+            if (m) {
+                nodeMap[m[1]] = [n, n.parentNode];
+            }
+            n.parentNode.removeChild(n);
+        }, self.findElements(element, options));
+
+        b.map(function (ident) {
+            var n = nodeMap[ident];
+            if (n) {
+                n[1].appendChild(n[0]);
+                delete nodeMap[ident];
+            }
+        }, newSequence);
+    },
+
+    /* Construct a [i] index for a particular node */
+    _constructIndex: function (node) {
+        var index = '';
+        do {
+            if (node.id) {
+                index = '[' + node.position + ']' + index;
+            }
+        } while ((node = node.parent) != null);
+        return index;
+    },
+
+    /** @id MochiKit.Sortable.sequence */
+    sequence: function (element, options) {
+        element = MochiKit.DOM.getElement(element);
+        var self = MochiKit.Sortable;
+        var options = MochiKit.Base.update(self.options(element), options || {});
+
+        return MochiKit.Base.map(function (item) {
+            return item.id.match(options.format) ? item.id.match(options.format)[1] : '';
+        }, MochiKit.DOM.getElement(self.findElements(element, options) || []));
+    },
+
+    /**
+     * Serializes the content of a Sortable. Useful to send this content through a XMLHTTPRequest.
+     * These options override the Sortable options for the serialization only.
+     * @param {Node} element    Element to serialize.
+     * @param {Object} options    Serialization options.
+     */
+    serialize: function (element, options) {
+        element = MochiKit.DOM.getElement(element);
+        var self = MochiKit.Sortable;
+        options = MochiKit.Base.update(self.options(element), options || {});
+        var name = encodeURIComponent(options.name || element.id);
+
+        if (options.tree) {
+            return MochiKit.Base.flattenArray(MochiKit.Base.map(function (item) {
+                return [name + self._constructIndex(item) + "[id]=" +
+                encodeURIComponent(item.id)].concat(item.children.map(arguments.callee));
+            }, self.tree(element, options).children)).join('&');
+        } else {
+            return MochiKit.Base.map(function (item) {
+                return name + "[]=" + encodeURIComponent(item);
+            }, self.sequence(element, options)).join('&');
+        }
+    }
+});
+
+// trunk compatibility
+MochiKit.Sortable.Sortable = MochiKit.Sortable;
+
+MochiKit.Sortable.__new__ = function () {
+    MochiKit.Base.nameFunctions(this);
+};
+
+MochiKit.Sortable.__new__();
+
+MochiKit.Base._exportSymbols(this, MochiKit.Sortable);
diff --git a/frontend/gamma/js/MochiKit/Style.js b/frontend/gamma/js/MochiKit/Style.js
new file mode 100644
index 0000000..7f10117
--- a/dev/null
+++ b/frontend/gamma/js/MochiKit/Style.js
@@ -0,0 +1,558 @@
+/***
+
+MochiKit.Style 1.5
+
+See <http://mochikit.com/> for documentation, downloads, license, etc.
+
+(c) 2005-2006 Bob Ippolito, Beau Hartshorne.  All rights Reserved.
+
+***/
+
+MochiKit.Base._module('Style', '1.5', ['Base', 'DOM']);
+
+
+/** @id MochiKit.Style.Dimensions */
+MochiKit.Style.Dimensions = function (w, h) {
+    if (!(this instanceof MochiKit.Style.Dimensions)) {
+        return new MochiKit.Style.Dimensions(w, h);
+    }
+    this.w = w;
+    this.h = h;
+};
+
+MochiKit.Style.Dimensions.prototype.__repr__ = function () {
+    var repr = MochiKit.Base.repr;
+    return '{w: '  + repr(this.w) + ', h: ' + repr(this.h) + '}';
+};
+
+MochiKit.Style.Dimensions.prototype.toString = function () {
+    return this.__repr__();
+};
+
+
+/** @id MochiKit.Style.Coordinates */
+MochiKit.Style.Coordinates = function (x, y) {
+    if (!(this instanceof MochiKit.Style.Coordinates)) {
+        return new MochiKit.Style.Coordinates(x, y);
+    }
+    this.x = x;
+    this.y = y;
+};
+
+MochiKit.Style.Coordinates.prototype.__repr__ = function () {
+    var repr = MochiKit.Base.repr;
+    return '{x: '  + repr(this.x) + ', y: ' + repr(this.y) + '}';
+};
+
+MochiKit.Style.Coordinates.prototype.toString = function () {
+    return this.__repr__();
+};
+
+
+MochiKit.Base.update(MochiKit.Style, {
+
+    /** @id MochiKit.Style.getStyle */
+    getStyle: function (elem, cssProperty) {
+        var dom = MochiKit.DOM;
+        var d = dom._document;
+
+        elem = dom.getElement(elem);
+        cssProperty = MochiKit.Base.camelize(cssProperty);
+
+        if (!elem || elem == d) {
+            return undefined;
+        }
+        if (cssProperty == 'opacity' && typeof(elem.filters) != 'undefined') {
+            var opacity = (MochiKit.Style.getStyle(elem, 'filter') || '').match(/alpha\(opacity=(.*)\)/);
+            if (opacity && opacity[1]) {
+                return parseFloat(opacity[1]) / 100;
+            }
+            return 1.0;
+        }
+        if (cssProperty == 'float' || cssProperty == 'cssFloat' || cssProperty == 'styleFloat') {
+            if (elem.style["float"]) {
+                return elem.style["float"];
+            } else if (elem.style.cssFloat) {
+                return elem.style.cssFloat;
+            } else if (elem.style.styleFloat) {
+                return elem.style.styleFloat;
+            } else {
+                return "none";
+            }
+        }
+        var value = elem.style ? elem.style[cssProperty] : null;
+        if (!value) {
+            if (d.defaultView && d.defaultView.getComputedStyle) {
+                var css = d.defaultView.getComputedStyle(elem, null);
+                cssProperty = cssProperty.replace(/([A-Z])/g, '-$1'
+                    ).toLowerCase(); // from dojo.style.toSelectorCase
+                value = css ? css.getPropertyValue(cssProperty) : null;
+            } else if (elem.currentStyle) {
+                value = elem.currentStyle[cssProperty];
+                if (/^\d/.test(value) && !/px$/.test(value) && cssProperty != 'fontWeight') {
+                    /* Convert to px using an hack from Dean Edwards */
+                    var left = elem.style.left;
+                    var rsLeft = elem.runtimeStyle.left;
+                    elem.runtimeStyle.left = elem.currentStyle.left;
+                    elem.style.left = value || 0;
+                    value = elem.style.pixelLeft + "px";
+                    elem.style.left = left;
+                    elem.runtimeStyle.left = rsLeft;
+                }
+            }
+        }
+        if (cssProperty == 'opacity') {
+            value = parseFloat(value);
+        }
+
+        if (/Opera/.test(navigator.userAgent) && (MochiKit.Base.findValue(['left', 'top', 'right', 'bottom'], cssProperty) != -1)) {
+            if (MochiKit.Style.getStyle(elem, 'position') == 'static') {
+                value = 'auto';
+            }
+        }
+
+        return value == 'auto' ? null : value;
+    },
+
+    /** @id MochiKit.Style.setStyle */
+    setStyle: function (elem, style) {
+        elem = MochiKit.DOM.getElement(elem);
+        for (var name in style) {
+            switch (name) {
+            case 'opacity':
+                MochiKit.Style.setOpacity(elem, style[name]);
+                break;
+            case 'float':
+            case 'cssFloat':
+            case 'styleFloat':
+                if (typeof(elem.style["float"]) != "undefined") {
+                    elem.style["float"] = style[name];
+                } else if (typeof(elem.style.cssFloat) != "undefined") {
+                    elem.style.cssFloat = style[name];
+                } else {
+                    elem.style.styleFloat = style[name];
+                }
+                break;
+            default:
+                elem.style[MochiKit.Base.camelize(name)] = style[name];
+            }
+        }
+    },
+
+    /** @id MochiKit.Style.setOpacity */
+    setOpacity: function (elem, o) {
+        elem = MochiKit.DOM.getElement(elem);
+        var self = MochiKit.Style;
+        if (o == 1) {
+            var toSet = /Gecko/.test(navigator.userAgent) && !(/Konqueror|AppleWebKit|KHTML/.test(navigator.userAgent));
+            elem.style["opacity"] = toSet ? 0.999999 : 1.0;
+            if (/MSIE/.test(navigator.userAgent)) {
+                elem.style['filter'] =
+                    self.getStyle(elem, 'filter').replace(/alpha\([^\)]*\)/gi, '');
+            }
+        } else {
+            if (o < 0.00001) {
+                o = 0;
+            }
+            elem.style["opacity"] = o;
+            if (/MSIE/.test(navigator.userAgent)) {
+                elem.style['filter'] =
+                    self.getStyle(elem, 'filter').replace(/alpha\([^\)]*\)/gi, '') + 'alpha(opacity=' + o * 100 + ')';
+            }
+        }
+    },
+
+    /*
+
+        getElementPosition is adapted from YAHOO.util.Dom.getXY v0.9.0.
+        Copyright: Copyright (c) 2006, Yahoo! Inc. All rights reserved.
+        License: BSD, http://developer.yahoo.net/yui/license.txt
+
+    */
+
+    /** @id MochiKit.Style.getElementPosition */
+    getElementPosition: function (elem, /* optional */relativeTo) {
+        var self = MochiKit.Style;
+        var dom = MochiKit.DOM;
+        var isCoordinates = function (o) {
+            return o != null &&
+                   o.nodeType == null &&
+                   typeof(o.x) == "number" &&
+                   typeof(o.y) == "number";
+        }
+
+        if (typeof(elem) == "string") {
+            elem = dom.getElement(elem);
+        }
+        if (elem == null ||
+            (!isCoordinates(elem) && self.getStyle(elem, 'display') == 'none')) {
+            return undefined;
+        }
+
+        var c = new self.Coordinates(0, 0);
+        var box = null;
+        var parent = null;
+
+        var d = MochiKit.DOM._document;
+        var de = d.documentElement;
+        var b = d.body;
+
+        if (!elem.parentNode && elem.x && elem.y) {
+            /* it's just a MochiKit.Style.Coordinates object */
+            c.x += elem.x || 0;
+            c.y += elem.y || 0;
+        } else if (elem.getBoundingClientRect) { // IE shortcut
+            /*
+
+                The IE shortcut can be off by two. We fix it. See:
+                http://msdn.microsoft.com/workshop/author/dhtml/reference/methods/getboundingclientrect.asp
+
+                This is similar to the method used in
+                MochiKit.Signal.Event.mouse().
+
+            */
+            box = elem.getBoundingClientRect();
+
+            c.x += box.left +
+                (de.scrollLeft || b.scrollLeft) -
+                (de.clientLeft || 0);
+
+            c.y += box.top +
+                (de.scrollTop || b.scrollTop) -
+                (de.clientTop || 0);
+
+        } else if (elem.offsetParent) {
+            c.x += elem.offsetLeft;
+            c.y += elem.offsetTop;
+            parent = elem.offsetParent;
+
+            if (parent != elem) {
+                while (parent) {
+                    c.x += parseInt(parent.style.borderLeftWidth) || 0;
+                    c.y += parseInt(parent.style.borderTopWidth) || 0;
+                    c.x += parent.offsetLeft;
+                    c.y += parent.offsetTop;
+                    parent = parent.offsetParent;
+                }
+            }
+
+            /*
+
+                Opera < 9 and old Safari (absolute) incorrectly account for
+                body offsetTop and offsetLeft.
+
+            */
+            var ua = navigator.userAgent.toLowerCase();
+            if ((typeof(opera) != 'undefined' &&
+                parseFloat(opera.version()) < 9) ||
+                (ua.indexOf('AppleWebKit') != -1 &&
+                self.getStyle(elem, 'position') == 'absolute')) {
+
+                c.x -= b.offsetLeft;
+                c.y -= b.offsetTop;
+
+            }
+
+            // Adjust position for strange Opera scroll bug
+            if (elem.parentNode) {
+                parent = elem.parentNode;
+            } else {
+                parent = null;
+            }
+            while (parent) {
+                var tagName = parent.tagName.toUpperCase();
+                if (tagName === 'BODY' || tagName === 'HTML') {
+                    break;
+                }
+                var disp = self.getStyle(parent, 'display');
+                // Handle strange Opera bug for some display
+                if (disp.search(/^inline|table-row.*$/i)) {
+                    c.x -= parent.scrollLeft;
+                    c.y -= parent.scrollTop;
+                }
+                if (parent.parentNode) {
+                    parent = parent.parentNode;
+                } else {
+                    parent = null;
+                }
+            }
+        }
+
+        if (relativeTo) {
+            relativeTo = arguments.callee(relativeTo);
+            if (relativeTo) {
+                c.x -= (relativeTo.x || 0);
+                c.y -= (relativeTo.y || 0);
+            }
+        }
+
+        return c;
+    },
+
+    /** @id MochiKit.Style.setElementPosition */
+    setElementPosition: function (elem, newPos/* optional */, units) {
+        elem = MochiKit.DOM.getElement(elem);
+        if (typeof(units) == 'undefined') {
+            units = 'px';
+        }
+        var newStyle = {};
+        var isUndefNull = MochiKit.Base.isUndefinedOrNull;
+        if (!isUndefNull(newPos.x)) {
+            newStyle['left'] = newPos.x + units;
+        }
+        if (!isUndefNull(newPos.y)) {
+            newStyle['top'] = newPos.y + units;
+        }
+        MochiKit.DOM.updateNodeAttributes(elem, {'style': newStyle});
+    },
+
+    /** @id MochiKit.Style.makePositioned */
+    makePositioned: function (element) {
+        element = MochiKit.DOM.getElement(element);
+        var pos = MochiKit.Style.getStyle(element, 'position');
+        if (pos == 'static' || !pos) {
+            element.style.position = 'relative';
+            // Opera returns the offset relative to the positioning context,
+            // when an element is position relative but top and left have
+            // not been defined
+            if (/Opera/.test(navigator.userAgent)) {
+                element.style.top = 0;
+                element.style.left = 0;
+            }
+        }
+    },
+
+    /** @id MochiKit.Style.undoPositioned */
+    undoPositioned: function (element) {
+        element = MochiKit.DOM.getElement(element);
+        if (element.style.position == 'relative') {
+            element.style.position = element.style.top = element.style.left = element.style.bottom = element.style.right = '';
+        }
+    },
+
+    /** @id MochiKit.Style.makeClipping */
+    makeClipping: function (element) {
+        element = MochiKit.DOM.getElement(element);
+        var s = element.style;
+        var oldOverflow = { 'overflow': s.overflow,
+                            'overflow-x': s.overflowX,
+                            'overflow-y': s.overflowY };
+        if ((MochiKit.Style.getStyle(element, 'overflow') || 'visible') != 'hidden') {
+            element.style.overflow = 'hidden';
+            element.style.overflowX = 'hidden';
+            element.style.overflowY = 'hidden';
+        }
+        return oldOverflow;
+    },
+
+    /** @id MochiKit.Style.undoClipping */
+    undoClipping: function (element, overflow) {
+        element = MochiKit.DOM.getElement(element);
+        if (typeof(overflow) == 'string') {
+            element.style.overflow = overflow;
+        } else if (overflow != null) {
+            element.style.overflow = overflow['overflow'];
+            element.style.overflowX = overflow['overflow-x'];
+            element.style.overflowY = overflow['overflow-y'];
+        }
+    },
+
+    /** @id MochiKit.Style.getElementDimensions */
+    getElementDimensions: function (elem, contentSize/*optional*/) {
+        var self = MochiKit.Style;
+        var dom = MochiKit.DOM;
+        if (typeof(elem.w) == 'number' || typeof(elem.h) == 'number') {
+            return new self.Dimensions(elem.w || 0, elem.h || 0);
+        }
+        elem = dom.getElement(elem);
+        if (!elem) {
+            return undefined;
+        }
+        var disp = self.getStyle(elem, 'display');
+        // display can be empty/undefined on WebKit/KHTML
+        if (disp == 'none' || disp == '' || typeof(disp) == 'undefined') {
+            var s = elem.style;
+            var originalVisibility = s.visibility;
+            var originalPosition = s.position;
+            var originalDisplay = s.display;
+            s.visibility = 'hidden';
+            s.position = 'absolute';
+            s.display = self._getDefaultDisplay(elem);
+            var originalWidth = elem.offsetWidth;
+            var originalHeight = elem.offsetHeight;
+            s.display = originalDisplay;
+            s.position = originalPosition;
+            s.visibility = originalVisibility;
+        } else {
+            originalWidth = elem.offsetWidth || 0;
+            originalHeight = elem.offsetHeight || 0;
+        }
+        if (contentSize) {
+            var tableCell = 'colSpan' in elem && 'rowSpan' in elem;
+            var collapse = (tableCell && elem.parentNode && self.getStyle(
+                    elem.parentNode, 'borderCollapse') == 'collapse')
+            if (collapse) {
+                if (/MSIE/.test(navigator.userAgent)) {
+                    var borderLeftQuota = elem.previousSibling? 0.5 : 1;
+                    var borderRightQuota = elem.nextSibling? 0.5 : 1;
+                }
+                else {
+                    var borderLeftQuota = 0.5;
+                    var borderRightQuota = 0.5;
+                }
+            } else {
+                var borderLeftQuota = 1;
+                var borderRightQuota = 1;
+            }
+            originalWidth -= Math.round(
+                (parseFloat(self.getStyle(elem, 'paddingLeft')) || 0)
+              + (parseFloat(self.getStyle(elem, 'paddingRight')) || 0)
+              + borderLeftQuota *
+                (parseFloat(self.getStyle(elem, 'borderLeftWidth')) || 0)
+              + borderRightQuota *
+                (parseFloat(self.getStyle(elem, 'borderRightWidth')) || 0)
+            );
+            if (tableCell) {
+                if (/Gecko|Opera/.test(navigator.userAgent)
+                    && !/Konqueror|AppleWebKit|KHTML/.test(navigator.userAgent)) {
+                    var borderHeightQuota = 0;
+                } else if (/MSIE/.test(navigator.userAgent)) {
+                    var borderHeightQuota = 1;
+                } else {
+                    var borderHeightQuota = collapse? 0.5 : 1;
+                }
+            } else {
+                var borderHeightQuota = 1;
+            }
+            originalHeight -= Math.round(
+                (parseFloat(self.getStyle(elem, 'paddingTop')) || 0)
+              + (parseFloat(self.getStyle(elem, 'paddingBottom')) || 0)
+              + borderHeightQuota * (
+                (parseFloat(self.getStyle(elem, 'borderTopWidth')) || 0)
+              + (parseFloat(self.getStyle(elem, 'borderBottomWidth')) || 0))
+            );
+        }
+        return new self.Dimensions(originalWidth, originalHeight);
+    },
+
+    /** @id MochiKit.Style.setElementDimensions */
+    setElementDimensions: function (elem, newSize/* optional */, units) {
+        elem = MochiKit.DOM.getElement(elem);
+        if (typeof(units) == 'undefined') {
+            units = 'px';
+        }
+        var newStyle = {};
+        var isUndefNull = MochiKit.Base.isUndefinedOrNull;
+        if (!isUndefNull(newSize.w)) {
+            newStyle['width'] = newSize.w + units;
+        }
+        if (!isUndefNull(newSize.h)) {
+            newStyle['height'] = newSize.h + units;
+        }
+        MochiKit.DOM.updateNodeAttributes(elem, {'style': newStyle});
+    },
+
+    _getDefaultDisplay: function (elem) {
+        var self = MochiKit.Style;
+        var dom = MochiKit.DOM;
+        elem = dom.getElement(elem);
+        if (!elem) {
+            return undefined;
+        }
+        var tagName = elem.tagName.toUpperCase();
+        return self._defaultDisplay[tagName] || 'block';
+    },
+
+    /** @id MochiKit.Style.setDisplayForElement */
+    setDisplayForElement: function (display, element/*, ...*/) {
+        var elements = MochiKit.Base.extend(null, arguments, 1);
+        var getElement = MochiKit.DOM.getElement;
+        for (var i = 0; i < elements.length; i++) {
+            element = getElement(elements[i]);
+            if (element) {
+                element.style.display = display;
+            }
+        }
+    },
+
+    /** @id MochiKit.Style.getViewportDimensions */
+    getViewportDimensions: function () {
+        var d = new MochiKit.Style.Dimensions();
+        var w = MochiKit.DOM._window;
+        var b = MochiKit.DOM._document.body;
+        if (w.innerWidth) {
+            d.w = w.innerWidth;
+            d.h = w.innerHeight;
+        } else if (b && b.parentElement && b.parentElement.clientWidth) {
+            d.w = b.parentElement.clientWidth;
+            d.h = b.parentElement.clientHeight;
+        } else if (b && b.clientWidth) {
+            d.w = b.clientWidth;
+            d.h = b.clientHeight;
+        }
+        return d;
+    },
+
+    /** @id MochiKit.Style.getViewportPosition */
+    getViewportPosition: function () {
+        var c = new MochiKit.Style.Coordinates(0, 0);
+        var d = MochiKit.DOM._document;
+        var de = d.documentElement;
+        var db = d.body;
+        if (de && (de.scrollTop || de.scrollLeft)) {
+            c.x = de.scrollLeft;
+            c.y = de.scrollTop;
+        } else if (db) {
+            c.x = db.scrollLeft;
+            c.y = db.scrollTop;
+        }
+        return c;
+    },
+
+    __new__: function () {
+        var m = MochiKit.Base;
+
+        var inlines = ['A','ABBR','ACRONYM','B','BASEFONT','BDO','BIG','BR',
+                       'CITE','CODE','DFN','EM','FONT','I','IMG','KBD','LABEL',
+                       'Q','S','SAMP','SMALL','SPAN','STRIKE','STRONG','SUB',
+                       'SUP','TEXTAREA','TT','U','VAR'];
+        this._defaultDisplay = { 'TABLE': 'table',
+                                 'THEAD': 'table-header-group',
+                                 'TBODY': 'table-row-group',
+                                 'TFOOT': 'table-footer-group',
+                                 'COLGROUP': 'table-column-group',
+                                 'COL': 'table-column',
+                                 'TR': 'table-row',
+                                 'TD': 'table-cell',
+                                 'TH': 'table-cell',
+                                 'CAPTION': 'table-caption',
+                                 'LI': 'list-item',
+                                 'INPUT': 'inline-block',
+                                 'SELECT': 'inline-block' };
+        // CSS 'display' support in IE6/7 is just broken...
+        if (/MSIE/.test(navigator.userAgent)) {
+            for (var k in this._defaultDisplay) {
+                var v = this._defaultDisplay[k];
+                if (v.indexOf('table') == 0) {
+                    this._defaultDisplay[k] = 'block';
+                }
+            }
+        }
+        for (var i = 0; i < inlines.length; i++) {
+            this._defaultDisplay[inlines[i]] = 'inline';
+        }
+
+        // Backwards compatibility aliases
+        m._deprecated(this, 'elementPosition', 'MochiKit.Style.getElementPosition', '1.3');
+        m._deprecated(this, 'elementDimensions', 'MochiKit.Style.getElementDimensions', '1.3');
+
+        this.hideElement = m.partial(this.setDisplayForElement, 'none');
+        // TODO: showElement could be improved by using getDefaultDisplay.
+        this.showElement = m.partial(this.setDisplayForElement, 'block');
+
+        m.nameFunctions(this);
+    }
+});
+
+MochiKit.Style.__new__();
+MochiKit.Base._exportSymbols(this, MochiKit.Style);
diff --git a/frontend/gamma/js/MochiKit/Test.js b/frontend/gamma/js/MochiKit/Test.js
new file mode 100644
index 0000000..9520ab2
--- a/dev/null
+++ b/frontend/gamma/js/MochiKit/Test.js
@@ -0,0 +1,144 @@
+/***
+
+MochiKit.Test 1.5
+
+See <http://mochikit.com/> for documentation, downloads, license, etc.
+
+(c) 2005 Bob Ippolito.  All rights Reserved.
+
+***/
+
+MochiKit.Base._module('Test', '1.5', ['Base']);
+
+MochiKit.Test.runTests = function (obj) {
+    if (typeof(obj) == "string") {
+        // TODO: Remove this temporary API change advertisement
+        throw new TypeError("Automatic module import not supported, call runTests() with proper object: " + obj);
+    }
+    var suite = new MochiKit.Test.Suite();
+    suite.run(obj);
+};
+
+MochiKit.Test.Suite = function () {
+    this.testIndex = 0;
+    MochiKit.Base.bindMethods(this);
+};
+
+MochiKit.Test.Suite.prototype = {
+    run: function (obj) {
+        try {
+            obj(this);
+        } catch (e) {
+            this.traceback(e);
+        }
+    },
+    traceback: function (e) {
+        var items = MochiKit.Iter.sorted(MochiKit.Base.items(e));
+        print("not ok " + this.testIndex + " - Error thrown");
+        for (var i = 0; i < items.length; i++) {
+            var kv = items[i];
+            if (kv[0] == "stack") {
+                kv[1] = kv[1].split(/\n/)[0];
+            }
+            this.print("# " + kv.join(": "));
+        }
+    },
+    print: function (s) {
+        print(s);
+    },
+    is: function (got, expected, /* optional */message) {
+        var res = 1;
+        var msg = null;
+        try {
+            res = MochiKit.Base.compare(got, expected);
+        } catch (e) {
+            msg = "Can not compare " + typeof(got) + ":" + typeof(expected);
+        }
+        if (res) {
+            msg = "Expected value did not compare equal";
+        }
+        if (!res) {
+            return this.testResult(true, message);
+        }
+        return this.testResult(false, message,
+            [[msg], ["got:", got], ["expected:", expected]]);
+    },
+
+    testResult: function (pass, msg, failures) {
+        this.testIndex += 1;
+        if (pass) {
+            this.print("ok " + this.testIndex + " - " + msg);
+            return;
+        }
+        this.print("not ok " + this.testIndex + " - " + msg);
+        if (failures) {
+            for (var i = 0; i < failures.length; i++) {
+                this.print("# " + failures[i].join(" "));
+            }
+        }
+    },
+
+    isDeeply: function (got, expected, /* optional */message) {
+        var m = MochiKit.Base;
+        var res = 1;
+        try {
+            res = m.compare(got, expected);
+        } catch (e) {
+            // pass
+        }
+        if (res === 0) {
+            return this.ok(true, message);
+        }
+        var gk = m.keys(got);
+        var ek = m.keys(expected);
+        gk.sort();
+        ek.sort();
+        if (m.compare(gk, ek)) {
+            // differing keys
+            var cmp = {};
+            var i;
+            for (i = 0; i < gk.length; i++) {
+                cmp[gk[i]] = "got";
+            }
+            for (i = 0; i < ek.length; i++) {
+                if (ek[i] in cmp) {
+                    delete cmp[ek[i]];
+                } else {
+                    cmp[ek[i]] = "expected";
+                }
+            }
+            var diffkeys = m.keys(cmp);
+            diffkeys.sort();
+            var gotkeys = [];
+            var expkeys = [];
+            while (diffkeys.length) {
+                var k = diffkeys.shift();
+                if (k in Object.prototype) {
+                    continue;
+                }
+                (cmp[k] == "got" ? gotkeys : expkeys).push(k);
+            }
+
+
+        }
+
+        return this.testResult((!res), msg,
+            (msg ? [["got:", got], ["expected:", expected]] : undefined)
+        );
+    },
+
+    ok: function (res, message) {
+        return this.testResult(res, message);
+    }
+};
+
+MochiKit.Test.__new__ = function () {
+    var m = MochiKit.Base;
+    this.Suite.__export__ = false;
+    m.nameFunctions(this);
+
+};
+
+MochiKit.Test.__new__();
+
+MochiKit.Base._exportSymbols(this, MochiKit.Test);
diff --git a/frontend/gamma/js/MochiKit/Text.js b/frontend/gamma/js/MochiKit/Text.js
new file mode 100644
index 0000000..a44f7e4
--- a/dev/null
+++ b/frontend/gamma/js/MochiKit/Text.js
@@ -0,0 +1,577 @@
+/***
+
+MochiKit.Text 1.5
+
+See <http://mochikit.com/> for documentation, downloads, license, etc.
+
+(c) 2008 Per Cederberg.  All rights Reserved.
+
+***/
+
+MochiKit.Base._module('Text', '1.5', ['Base', 'Format']);
+
+/**
+ * Checks if a text string starts with the specified substring. If
+ * either of the two strings is null, false will be returned.
+ *
+ * @param {String} substr the substring to search for
+ * @param {String} str the string to search in
+ *
+ * @return {Boolean} true if the string starts with the substring, or
+ *         false otherwise
+ */
+MochiKit.Text.startsWith = function (substr, str) {
+    return str != null && substr != null && str.indexOf(substr) == 0;
+}
+
+/**
+ * Checks if a text string ends with the specified substring. If
+ * either of the two strings is null, false will be returned.
+ *
+ * @param {String} substr the substring to search for
+ * @param {String} str the string to search in
+ *
+ * @return {Boolean} true if the string ends with the substring, or
+ *         false otherwise
+ */
+MochiKit.Text.endsWith = function (substr, str) {
+    return str != null && substr != null &&
+           str.lastIndexOf(substr) == Math.max(str.length - substr.length, 0);
+}
+
+/**
+ * Checks if a text string contains the specified substring. If
+ * either of the two strings is null, false will be returned.
+ *
+ * @param {String} substr the substring to search for
+ * @param {String} str the string to search in
+ *
+ * @return {Boolean} true if the string contains the substring, or
+ *         false otherwise
+ */
+MochiKit.Text.contains = function (substr, str) {
+    return str != null && substr != null && str.indexOf(substr) >= 0;
+}
+
+/**
+ * Adds a character to the left-hand side of a string until it
+ * reaches the specified minimum length.
+ *
+ * @param {String} str the string to process
+ * @param {Number} minLength the requested minimum length
+ * @param {String} fillChar the padding character to add, defaults
+ *            to a space
+ *
+ * @return {String} the padded string
+ */
+MochiKit.Text.padLeft = function (str, minLength, fillChar) {
+    str = str || "";
+    fillChar = fillChar || " ";
+    while (str.length < minLength) {
+        str = fillChar + str;
+    }
+    return str;
+}
+
+/**
+ * Adds a character to the right-hand side of a string until it
+ * reaches the specified minimum length.
+ *
+ * @param {String} str the string to process
+ * @param {Number} minLength the requested minimum length
+ * @param {String} fillChar the padding character to add, defaults
+ *            to a space
+ *
+ * @return {String} the padded string
+ */
+MochiKit.Text.padRight = function (str, minLength, fillChar) {
+    str = str || "";
+    fillChar = fillChar || " ";
+    while (str.length < minLength) {
+        str += fillChar;
+    }
+    return str;
+}
+
+/**
+ * Returns a truncated copy of a string. If the string is shorter
+ * than the specified maximum length, the object will be returned
+ * unmodified. If an optional tail string is specified, additional
+ * elements will be removed in order to accomodate the tail (that
+ * will be appended). This function also works on arrays.
+ *
+ * @param {String} str the string to truncate
+ * @param {Number} maxLength the maximum length
+ * @param {String} [tail] the tail to append on truncation
+ *
+ * @return {String} the truncated string
+ */
+MochiKit.Text.truncate = function (str, maxLength, tail) {
+    if (str == null || str.length <= maxLength || maxLength < 0) {
+        return str;
+    } else if (tail != null) {
+        str = str.slice(0, Math.max(0, maxLength - tail.length));
+        if (typeof(str) == "string") {
+            return str + tail;
+        } else {
+            return MochiKit.Base.extend(str, tail);
+        }
+    } else {
+        return str.slice(0, maxLength);
+    }
+}
+
+/**
+ * Splits a text string, applies a function and joins the results
+ * back together again. This is a convenience function for calling
+ * split(), map() and join() separately. It can be used to easily
+ * trim each line in a text string (using the strip function), or to
+ * translate a text word-by-word.
+ *
+ * @param {Function} func the function to apply
+ * @param {String} str the string to split
+ * @param {String} [separator] the separator character to use,
+ *            defaults to newline
+ *
+ * @return {String} a string with the joined up results
+ */
+MochiKit.Text.splitJoin = function (func, str, separator) {
+    if (str == null || str.length == 0) {
+        return str;
+    }
+    separator = separator || '\n'
+    return MochiKit.Base.map(func, str.split(separator)).join(separator);
+}
+
+/**
+ * Creates a formatter function for the specified formatter pattern
+ * and locale. The returned function takes as many arguments as the
+ * formatter pattern requires. See separate documentation for
+ * information about the formatter pattern syntax.
+ *
+ * @param {String} pattern the formatter pattern string
+ * @param {Object} [locale] the locale to use, defaults to
+ *            LOCALE.en_US
+ *
+ * @return {Function} the formatter function created
+ *
+ * @throws FormatPatternError if the format pattern was invalid
+ */
+MochiKit.Text.formatter = function (pattern, locale) {
+    if (typeof(locale) == "undefined") {
+        locale = MochiKit.Format.formatLocale();
+    } else if (typeof(locale) == "string") {
+        locale = MochiKit.Format.formatLocale(locale);
+    }
+    var parts = MochiKit.Text._parsePattern(pattern);
+    return function() {
+        var values = MochiKit.Base.extend([], arguments);
+        var res = [];
+        for (var i = 0; i < parts.length; i++) {
+            if (typeof(parts[i]) == "string") {
+                res.push(parts[i]);
+            } else {
+                res.push(MochiKit.Text.formatValue(parts[i], values, locale));
+            }
+        }
+        return res.join("");
+    }
+}
+
+/**
+ * Formats the specified arguments according to a formatter pattern.
+ * See separate documentation for information about the formatter
+ * pattern syntax.
+ *
+ * @param {String} pattern the formatter pattern string
+ * @param {Object} [...] the optional values to format
+ *
+ * @return {String} the formatted output string
+ *
+ * @throws FormatPatternError if the format pattern was invalid
+ */
+MochiKit.Text.format = function (pattern/*, ...*/) {
+    var func = MochiKit.Text.formatter(pattern);
+    return func.apply(this, MochiKit.Base.extend([], arguments, 1));
+}
+
+/**
+ * Format a value with the specified format specifier.
+ *
+ * @param {String/Object} spec the format specifier string or parsed
+ *            format specifier object
+ * @param {Object} value the value to format
+ * @param {Object} [locale] the locale to use, defaults to
+ *            LOCALE.en_US
+ *
+ * @return {String} the formatted output string
+ */
+MochiKit.Text.formatValue = function (spec, value, locale) {
+    var self = MochiKit.Text;
+    if (typeof(spec) === "string") {
+        spec = self._parseFormatFlags(spec, 0, spec.length - 1);
+    }
+    for (var i = 0; spec.path != null && i < spec.path.length; i++) {
+        if (value != null) {
+            value = value[spec.path[i]];
+        }
+    }
+    if (typeof(locale) == "undefined") {
+        locale = MochiKit.Format.formatLocale();
+    } else if (typeof(locale) == "string") {
+        locale = MochiKit.Format.formatLocale(locale);
+    }
+    var str = "";
+    if (spec.numeric) {
+        if (typeof(value) != "number" || isNaN(value)) {
+            str = "";
+        } else if (value === Number.POSITIVE_INFINITY) {
+            str = "\u221e";
+        } else if (value === Number.NEGATIVE_INFINITY) {
+            str = "-\u221e";
+        } else {
+            var sign = (spec.sign === "-") ? "" : spec.sign;
+            sign = (value < 0) ? "-" : sign;
+            value = Math.abs(value);
+            if (spec.format === "%") {
+                str = self._truncToPercent(value, spec.precision);
+            } else if (spec.format === "d") {
+                str = MochiKit.Format.roundToFixed(value, 0);
+            } else if (spec.radix != 10) {
+                str = Math.floor(value).toString(spec.radix);
+                if (spec.format === "x") {
+                    str = str.toLowerCase();
+                } else if (spec.format === "X") {
+                    str = str.toUpperCase();
+                }
+            } else if (spec.precision >= 0) {
+                str = MochiKit.Format.roundToFixed(value, spec.precision);
+            } else {
+                str = value.toString();
+            }
+            if (spec.padding === "0" && spec.format === "%") {
+                str = self.padLeft(str, spec.width - sign.length - 1, "0");
+            } else if (spec.padding == "0") {
+                str = self.padLeft(str, spec.width - sign.length, "0");
+            }
+            str = self._localizeNumber(str, locale, spec.grouping);
+            str = sign + str;
+        }
+        if (str !== "" && spec.format === "%") {
+            str = str + locale.percent;
+        }
+    } else {
+        if (spec.format == "r") {
+            str = MochiKit.Base.repr(value);
+        } else {
+            str = (value == null) ? "null" : value.toString();
+        }
+        str = self.truncate(str, spec.precision);
+    }
+    if (spec.align == "<") {
+        str = self.padRight(str, spec.width);
+    } else {
+        str = self.padLeft(str, spec.width);
+    }
+    return str;
+}
+
+/**
+ * Adjust an already formatted numeric string for locale-specific
+ * grouping and decimal separators. The grouping is optional and
+ * will attempt to keep the number string length intact by removing
+ * padded zeros (if possible).
+ *
+ * @param {String} num the formatted number string
+ * @param {Object} locale the formatting locale to use
+ * @param {Boolean} grouping the grouping flag
+ *
+ * @return {String} the localized number string
+ */
+MochiKit.Text._localizeNumber = function (num, locale, grouping) {
+    var parts = num.split(/\./);
+    var whole = parts[0];
+    var frac = (parts.length == 1) ? "" : parts[1];
+    var res = (frac.length > 0) ? locale.decimal : "";
+    while (grouping && frac.length > 3) {
+        res = res + frac.substring(0, 3) + locale.separator;
+        frac = frac.substring(3);
+        if (whole.charAt(0) == "0") {
+            whole = whole.substring(1);
+        }
+    }
+    if (frac.length > 0) {
+        res += frac;
+    }
+    while (grouping && whole.length > 3) {
+        var pos = whole.length - 3;
+        res = locale.separator + whole.substring(pos) + res;
+        whole = whole.substring((whole.charAt(0) == "0") ? 1 : 0, pos);
+    }
+    return whole + res;
+}
+
+/**
+ * Parses a format pattern and returns an array of constant strings
+ * and format info objects.
+ *
+ * @param {String} pattern the format pattern to analyze
+ *
+ * @return {Array} an array of strings and format info objects
+ *
+ * @throws FormatPatternError if the format pattern was invalid
+ */
+MochiKit.Text._parsePattern = function (pattern) {
+    var self = MochiKit.Text;
+    var parts = [];
+    var start = 0;
+    var pos = 0;
+    for (pos = 0; pos < pattern.length; pos++) {
+        if (pattern.charAt(pos) == "{") {
+            if (pos + 1 >= pattern.length) {
+                var msg = "unescaped { char, should be escaped as {{";
+                throw new self.FormatPatternError(pattern, pos, msg);
+            } else if (pattern.charAt(pos + 1) == "{") {
+                parts.push(pattern.substring(start, pos + 1));
+                start = pos + 2;
+                pos++;
+            } else {
+                if (start < pos) {
+                    parts.push(pattern.substring(start, pos));
+                }
+                start = pattern.indexOf("}", pos) + 1;
+                if (start <= 0) {
+                    var msg = "unmatched { char, not followed by a } char";
+                    throw new self.FormatPatternError(pattern, pos, msg);
+                }
+                parts.push(self._parseFormat(pattern, pos + 1, start - 1));
+                pos = start - 1;
+            }
+        } else if (pattern.charAt(pos) == "}") {
+            if (pos + 1 >= pattern.length || pattern.charAt(pos + 1) != "}") {
+                var msg = "unescaped } char, should be escaped as }}";
+                throw new self.FormatPatternError(pattern, pos, msg);
+            }
+            parts.push(pattern.substring(start, pos + 1));
+            start = pos + 2;
+            pos++;
+        }
+    }
+    if (start < pos) {
+        parts.push(pattern.substring(start, pos));
+    }
+    return parts;
+}
+
+/**
+ * Parses a format instruction and returns a format info object.
+ *
+ * @param {String} pattern the format pattern string
+ * @param {Number} startPos the first index of the format instruction
+ * @param {Number} endPos the last index of the format instruction
+ *
+ * @return {Object} the format info object
+ *
+ * @throws FormatPatternError if the format pattern was invalid
+ */
+MochiKit.Text._parseFormat = function (pattern, startPos, endPos) {
+    var self = MochiKit.Text;
+    var text = pattern.substring(startPos, endPos);
+    var info;
+    var pos = text.indexOf(":");
+    if (pos == 0) {
+        info = self._parseFormatFlags(pattern, startPos + 1, endPos);
+        info.path = [0];
+    } else if (pos > 0) {
+        info = self._parseFormatFlags(pattern, startPos + pos + 1, endPos);
+        info.path = text.substring(0, pos).split(".");
+    } else {
+        info = self._parseFormatFlags(pattern, endPos, endPos);
+        info.path = text.split(".");
+    }
+    var DIGITS = /^\d+$/;
+    for (var i = 0; i < info.path.length; i++) {
+        var e = info.path[i];
+        if (typeof(e) == "string") {
+            // TODO: replace with MochiKit.Format.strip?
+            e = e.replace(/^\s+/, "").replace(/\s+$/, "");
+            if (e == "" && info.path.length == 1) {
+                e = 0;
+            } else if (e == "") {
+                var msg = "format value path contains blanks";
+                throw new self.FormatPatternError(pattern, startPos, msg);
+            } else if (DIGITS.test(e)) {
+                e = parseInt(e);
+            }
+        }
+        info.path[i] = e;
+    }
+    if (info.path.length < 0 || typeof(info.path[0]) != "number") {
+        info.path.unshift(0);
+    }
+    return info;
+}
+
+/**
+ * Parses a string with format flags and returns a format info object.
+ *
+ * @param {String} pattern the format pattern string
+ * @param {Number} startPos the first index of the format instruction
+ * @param {Number} endPos the last index of the format instruction
+ *
+ * @return {Object} the format info object
+ *
+ * @throws FormatPatternError if the format pattern was invalid
+ */
+MochiKit.Text._parseFormatFlags = function (pattern, startPos, endPos) {
+    var self = MochiKit.Text;
+    var info = { numeric: false, format: "s", width: 0, precision: -1,
+                 align: ">", sign: "-", padding: " ", grouping: false };
+    // TODO: replace with MochiKit.Format.rstrip?
+    var flags = pattern.substring(startPos, endPos).replace(/\s+$/, "");
+    while (flags.length > 0) {
+        switch (flags.charAt(0)) {
+        case ">":
+        case "<":
+            info.align = flags.charAt(0);
+            flags = flags.substring(1);
+            break;
+        case "+":
+        case "-":
+        case " ":
+            info.sign = flags.charAt(0);
+            flags = flags.substring(1);
+            break;
+        case ",":
+            info.grouping = true;
+            flags = flags.substring(1);
+            break;
+        case ".":
+            var chars = /^\d*/.exec(flags.substring(1))[0];
+            info.precision = parseInt(chars);
+            flags = flags.substring(1 + chars.length);
+            break;
+        case "0":
+            info.padding = flags.charAt(0);
+            flags = flags.substring(1);
+            break;
+        case "1":
+        case "2":
+        case "3":
+        case "4":
+        case "5":
+        case "6":
+        case "7":
+        case "8":
+        case "9":
+            var chars = /^\d*/.exec(flags)[0];
+            info.width = parseInt(chars);
+            flags = flags.substring(chars.length);
+            break;
+        case "s":
+        case "r":
+            info.format = flags.charAt(0);
+            flags = flags.substring(1);
+            break;
+        case "b":
+        case "d":
+        case "o":
+        case "x":
+        case "X":
+        case "f":
+        case "%":
+            info.numeric = true;
+            info.format = flags.charAt(0);
+            info.radix = 10;
+            if (info.format === "b") {
+                info.radix = 2;
+            } else if (info.format === "o") {
+                info.radix = 8;
+            } else if (info.format === "x" || info.format === "X") {
+                info.radix = 16;
+            }
+            flags = flags.substring(1);
+            break;
+        default:
+            var msg = "unsupported format flag: " + flags.charAt(0);
+            throw new self.FormatPatternError(pattern, startPos, msg);
+        }
+    }
+    return info;
+}
+
+/**
+ * Formats a value as a percentage. This method avoids multiplication
+ * by 100 since it leads to weird numeric rounding errors. Instead it
+ * just move the decimal separator in the text string. It is ugly,
+ * but works...
+ *
+ * @param {Number} value the value to format
+ * @param {Number} precision the number of precision digits
+ */
+MochiKit.Text._truncToPercent = function (value, precision) {
+    // TODO: This can be simplified by using the same helper function
+    //       as roundToFixed now does.
+    var str;
+    if (precision >= 0) {
+        str = MochiKit.Format.roundToFixed(value, precision + 2);
+    } else {
+        str = (value == null) ? "0" : value.toString();
+    }
+    var fracPos = str.indexOf(".");
+    if (fracPos < 0) {
+        str = str + "00";
+    } else if (fracPos + 3 >= str.length) {
+        var fraction = str.substring(fracPos + 1);
+        while (fraction.length < 2) {
+            fraction = fraction + "0";
+        }
+        str = str.substring(0, fracPos) + fraction;
+    } else {
+        var fraction = str.substring(fracPos + 1);
+        str = str.substring(0, fracPos) + fraction.substring(0, 2) +
+              "." + fraction.substring(2);
+    }
+    while (str.length > 1 && str.charAt(0) == "0" && str.charAt(1) != ".") {
+        str = str.substring(1);
+    }
+    return str;
+}
+
+/**
+ * Creates a new format pattern error.
+ *
+ * @param {String} pattern the format pattern string
+ * @param {Number} pos the position of the error
+ * @param {String} message the error message text
+ *
+ * @return {Error} the format pattern error
+ *
+ * @class The format pattern error class. This error is thrown when
+ *     a syntax error is encountered inside a format string.
+ * @property {String} pattern The format pattern string.
+ * @property {Number} pos The position of the error.
+ * @property {String} message The error message text.
+ * @extends MochiKit.Base.NamedError
+ */
+MochiKit.Text.FormatPatternError = function (pattern, pos, message) {
+    this.pattern = pattern;
+    this.pos = pos;
+    this.message = message;
+}
+MochiKit.Text.FormatPatternError.prototype =
+    new MochiKit.Base.NamedError("MochiKit.Text.FormatPatternError");
+
+
+//
+//XXX: Internet Explorer exception handling blows
+//
+if (MochiKit.__export__) {
+    formatter = MochiKit.Text.formatter;
+    format = MochiKit.Text.format;
+    formatValue = MochiKit.Text.formatValue;
+}
+
+
+MochiKit.Base.nameFunctions(MochiKit.Text);
+MochiKit.Base._exportSymbols(this, MochiKit.Text);
diff --git a/frontend/gamma/js/MochiKit/Visual.js b/frontend/gamma/js/MochiKit/Visual.js
new file mode 100644
index 0000000..648d82a
--- a/dev/null
+++ b/frontend/gamma/js/MochiKit/Visual.js
@@ -0,0 +1,1975 @@
+/***
+
+MochiKit.Visual 1.5
+
+See <http://mochikit.com/> for documentation, downloads, license, etc.
+
+(c) 2005 Bob Ippolito and others.  All rights Reserved.
+
+***/
+
+MochiKit.Base._module('Visual', '1.5', ['Base', 'DOM', 'Style', 'Color', 'Position']);
+
+MochiKit.Visual._RoundCorners = function (e, options) {
+    e = MochiKit.DOM.getElement(e);
+    this._setOptions(options);
+    if (this.options.__unstable__wrapElement) {
+        e = this._doWrap(e);
+    }
+
+    var color = this.options.color;
+    var C = MochiKit.Color.Color;
+    if (this.options.color === "fromElement") {
+        color = C.fromBackground(e);
+    } else if (!(color instanceof C)) {
+        color = C.fromString(color);
+    }
+    this.isTransparent = (color.asRGB().a <= 0);
+
+    var bgColor = this.options.bgColor;
+    if (this.options.bgColor === "fromParent") {
+        bgColor = C.fromBackground(e.offsetParent);
+    } else if (!(bgColor instanceof C)) {
+        bgColor = C.fromString(bgColor);
+    }
+
+    this._roundCornersImpl(e, color, bgColor);
+};
+
+MochiKit.Visual._RoundCorners.prototype = {
+    _doWrap: function (e) {
+        var parent = e.parentNode;
+        var doc = MochiKit.DOM.currentDocument();
+        if (typeof(doc.defaultView) === "undefined"
+            || doc.defaultView === null) {
+            return e;
+        }
+        var style = doc.defaultView.getComputedStyle(e, null);
+        if (typeof(style) === "undefined" || style === null) {
+            return e;
+        }
+        var wrapper = MochiKit.DOM.DIV({"style": {
+            display: "block",
+            // convert padding to margin
+            marginTop: style.getPropertyValue("padding-top"),
+            marginRight: style.getPropertyValue("padding-right"),
+            marginBottom: style.getPropertyValue("padding-bottom"),
+            marginLeft: style.getPropertyValue("padding-left"),
+            // remove padding so the rounding looks right
+            padding: "0px"
+            /*
+            paddingRight: "0px",
+            paddingLeft: "0px"
+            */
+        }});
+        wrapper.innerHTML = e.innerHTML;
+        e.innerHTML = "";
+        e.appendChild(wrapper);
+        return e;
+    },
+
+    _roundCornersImpl: function (e, color, bgColor) {
+        if (this.options.border) {
+            this._renderBorder(e, bgColor);
+        }
+        if (this._isTopRounded()) {
+            this._roundTopCorners(e, color, bgColor);
+        }
+        if (this._isBottomRounded()) {
+            this._roundBottomCorners(e, color, bgColor);
+        }
+    },
+
+    _renderBorder: function (el, bgColor) {
+        var borderValue = "1px solid " + this._borderColor(bgColor);
+        var borderL = "border-left: "  + borderValue;
+        var borderR = "border-right: " + borderValue;
+        var style = "style='" + borderL + ";" + borderR +  "'";
+        el.innerHTML = "<div " + style + ">" + el.innerHTML + "</div>";
+    },
+
+    _roundTopCorners: function (el, color, bgColor) {
+        var corner = this._createCorner(bgColor);
+        for (var i = 0; i < this.options.numSlices; i++) {
+            corner.appendChild(
+                this._createCornerSlice(color, bgColor, i, "top")
+            );
+        }
+        el.style.paddingTop = 0;
+        el.insertBefore(corner, el.firstChild);
+    },
+
+    _roundBottomCorners: function (el, color, bgColor) {
+        var corner = this._createCorner(bgColor);
+        for (var i = (this.options.numSlices - 1); i >= 0; i--) {
+            corner.appendChild(
+                this._createCornerSlice(color, bgColor, i, "bottom")
+            );
+        }
+        el.style.paddingBottom = 0;
+        el.appendChild(corner);
+    },
+
+    _createCorner: function (bgColor) {
+        var dom = MochiKit.DOM;
+        return dom.DIV({style: {backgroundColor: bgColor.toString()}});
+    },
+
+    _createCornerSlice: function (color, bgColor, n, position) {
+        var slice = MochiKit.DOM.SPAN();
+
+        var inStyle = slice.style;
+        inStyle.backgroundColor = color.toString();
+        inStyle.display = "block";
+        inStyle.height = "1px";
+        inStyle.overflow = "hidden";
+        inStyle.fontSize = "1px";
+
+        var borderColor = this._borderColor(color, bgColor);
+        if (this.options.border && n === 0) {
+            inStyle.borderTopStyle = "solid";
+            inStyle.borderTopWidth = "1px";
+            inStyle.borderLeftWidth = "0px";
+            inStyle.borderRightWidth = "0px";
+            inStyle.borderBottomWidth = "0px";
+            // assumes css compliant box model
+            inStyle.height = "0px";
+            inStyle.borderColor = borderColor.toString();
+        } else if (borderColor) {
+            inStyle.borderColor = borderColor.toString();
+            inStyle.borderStyle = "solid";
+            inStyle.borderWidth = "0px 1px";
+        }
+
+        if (!this.options.compact && (n == (this.options.numSlices - 1))) {
+            inStyle.height = "2px";
+        }
+
+        this._setMargin(slice, n, position);
+        this._setBorder(slice, n, position);
+
+        return slice;
+    },
+
+    _setOptions: function (options) {
+        this.options = {
+            corners: "all",
+            color: "fromElement",
+            bgColor: "fromParent",
+            blend: true,
+            border: false,
+            compact: false,
+            __unstable__wrapElement: false
+        };
+        MochiKit.Base.update(this.options, options);
+
+        this.options.numSlices = (this.options.compact ? 2 : 4);
+    },
+
+    _whichSideTop: function () {
+        var corners = this.options.corners;
+        if (this._hasString(corners, "all", "top")) {
+            return "";
+        }
+
+        var has_tl = (corners.indexOf("tl") != -1);
+        var has_tr = (corners.indexOf("tr") != -1);
+        if (has_tl && has_tr) {
+            return "";
+        }
+        if (has_tl) {
+            return "left";
+        }
+        if (has_tr) {
+            return "right";
+        }
+        return "";
+    },
+
+    _whichSideBottom: function () {
+        var corners = this.options.corners;
+        if (this._hasString(corners, "all", "bottom")) {
+            return "";
+        }
+
+        var has_bl = (corners.indexOf('bl') != -1);
+        var has_br = (corners.indexOf('br') != -1);
+        if (has_bl && has_br) {
+            return "";
+        }
+        if (has_bl) {
+            return "left";
+        }
+        if (has_br) {
+            return "right";
+        }
+        return "";
+    },
+
+    _borderColor: function (color, bgColor) {
+        if (color == "transparent") {
+            return bgColor;
+        } else if (this.options.border) {
+            return this.options.border;
+        } else if (this.options.blend) {
+            return bgColor.blendedColor(color);
+        }
+        return "";
+    },
+
+
+    _setMargin: function (el, n, corners) {
+        var marginSize = this._marginSize(n) + "px";
+        var whichSide = (
+            corners == "top" ? this._whichSideTop() : this._whichSideBottom()
+        );
+        var style = el.style;
+
+        if (whichSide == "left") {
+            style.marginLeft = marginSize;
+            style.marginRight = "0px";
+        } else if (whichSide == "right") {
+            style.marginRight = marginSize;
+            style.marginLeft = "0px";
+        } else {
+            style.marginLeft = marginSize;
+            style.marginRight = marginSize;
+        }
+    },
+
+    _setBorder: function (el, n, corners) {
+        var borderSize = this._borderSize(n) + "px";
+        var whichSide = (
+            corners == "top" ? this._whichSideTop() : this._whichSideBottom()
+        );
+
+        var style = el.style;
+        if (whichSide == "left") {
+            style.borderLeftWidth = borderSize;
+            style.borderRightWidth = "0px";
+        } else if (whichSide == "right") {
+            style.borderRightWidth = borderSize;
+            style.borderLeftWidth = "0px";
+        } else {
+            style.borderLeftWidth = borderSize;
+            style.borderRightWidth = borderSize;
+        }
+    },
+
+    _marginSize: function (n) {
+        if (this.isTransparent) {
+            return 0;
+        }
+
+        var o = this.options;
+        if (o.compact && o.blend) {
+            var smBlendedMarginSizes = [1, 0];
+            return smBlendedMarginSizes[n];
+        } else if (o.compact) {
+            var compactMarginSizes = [2, 1];
+            return compactMarginSizes[n];
+        } else if (o.blend) {
+            var blendedMarginSizes = [3, 2, 1, 0];
+            return blendedMarginSizes[n];
+        } else {
+            var marginSizes = [5, 3, 2, 1];
+            return marginSizes[n];
+        }
+    },
+
+    _borderSize: function (n) {
+        var o = this.options;
+        var borderSizes;
+        if (o.compact && (o.blend || this.isTransparent)) {
+            return 1;
+        } else if (o.compact) {
+            borderSizes = [1, 0];
+        } else if (o.blend) {
+            borderSizes = [2, 1, 1, 1];
+        } else if (o.border) {
+            borderSizes = [0, 2, 0, 0];
+        } else if (this.isTransparent) {
+            borderSizes = [5, 3, 2, 1];
+        } else {
+            return 0;
+        }
+        return borderSizes[n];
+    },
+
+    _hasString: function (str) {
+        for (var i = 1; i< arguments.length; i++) {
+            if (str.indexOf(arguments[i]) != -1) {
+                return true;
+            }
+        }
+        return false;
+    },
+
+    _isTopRounded: function () {
+        return this._hasString(this.options.corners,
+            "all", "top", "tl", "tr"
+        );
+    },
+
+    _isBottomRounded: function () {
+        return this._hasString(this.options.corners,
+            "all", "bottom", "bl", "br"
+        );
+    },
+
+    _hasSingleTextChild: function (el) {
+        return (el.childNodes.length == 1 && el.childNodes[0].nodeType == 3);
+    }
+};
+
+/** @id MochiKit.Visual.roundElement */
+MochiKit.Visual.roundElement = function (e, options) {
+    new MochiKit.Visual._RoundCorners(e, options);
+};
+
+/** @id MochiKit.Visual.roundClass */
+MochiKit.Visual.roundClass = function (tagName, className, options) {
+    var elements = MochiKit.DOM.getElementsByTagAndClassName(
+        tagName, className
+    );
+    for (var i = 0; i < elements.length; i++) {
+        MochiKit.Visual.roundElement(elements[i], options);
+    }
+};
+
+/** @id MochiKit.Visual.tagifyText */
+MochiKit.Visual.tagifyText = function (element, /* optional */tagifyStyle) {
+    /***
+
+    Change a node text to character in tags.
+
+    @param tagifyStyle: the style to apply to character nodes, default to
+    'position: relative'.
+
+    ***/
+    tagifyStyle = tagifyStyle || 'position:relative';
+    if (/MSIE/.test(navigator.userAgent)) {
+        tagifyStyle += ';zoom:1';
+    }
+    element = MochiKit.DOM.getElement(element);
+    var ma = MochiKit.Base.map;
+    ma(function (child) {
+        if (child.nodeType == 3) {
+            ma(function (character) {
+                element.insertBefore(
+                    MochiKit.DOM.SPAN({style: tagifyStyle},
+                        character == ' ' ? String.fromCharCode(160) : character), child);
+            }, child.nodeValue.split(''));
+            MochiKit.DOM.removeElement(child);
+        }
+    }, element.childNodes);
+};
+
+MochiKit.Visual._forceRerendering = function (element) {
+    try {
+        element = MochiKit.DOM.getElement(element);
+        var n = document.createTextNode(' ');
+        element.appendChild(n);
+        element.removeChild(n);
+    } catch(e) {
+    }
+};
+
+/** @id MochiKit.Visual.multiple */
+MochiKit.Visual.multiple = function (elements, effect, /* optional */options) {
+    /***
+
+    Launch the same effect subsequently on given elements.
+
+    ***/
+    options = MochiKit.Base.update({
+        speed: 0.1, delay: 0.0
+    }, options);
+    var masterDelay = options.delay;
+    var index = 0;
+    MochiKit.Base.map(function (innerelement) {
+        options.delay = index * options.speed + masterDelay;
+        new effect(innerelement, options);
+        index += 1;
+    }, elements);
+};
+
+MochiKit.Visual.PAIRS = {
+    'slide': ['slideDown', 'slideUp'],
+    'blind': ['blindDown', 'blindUp'],
+    'appear': ['appear', 'fade'],
+    'size': ['grow', 'shrink']
+};
+
+/** @id MochiKit.Visual.toggle */
+MochiKit.Visual.toggle = function (element, /* optional */effect, /* optional */options) {
+    /***
+
+    Toggle an item between two state depending of its visibility, making
+    a effect between these states. Default  effect is 'appear', can be
+    'slide' or 'blind'.
+
+    ***/
+    element = MochiKit.DOM.getElement(element);
+    effect = (effect || 'appear').toLowerCase();
+    options = MochiKit.Base.update({
+        queue: {position: 'end', scope: (element.id || 'global'), limit: 1}
+    }, options);
+    var v = MochiKit.Visual;
+    v[MochiKit.Style.getStyle(element, 'display') != 'none' ?
+      v.PAIRS[effect][1] : v.PAIRS[effect][0]](element, options);
+};
+
+/***
+
+Transitions: define functions calculating variations depending of a position.
+
+***/
+
+MochiKit.Visual.Transitions = { __export__: false };
+
+/** @id MochiKit.Visual.Transitions.linear */
+MochiKit.Visual.Transitions.linear = function (pos) {
+    return pos;
+};
+
+/** @id MochiKit.Visual.Transitions.sinoidal */
+MochiKit.Visual.Transitions.sinoidal = function (pos) {
+    return 0.5 - Math.cos(pos*Math.PI)/2;
+};
+
+/** @id MochiKit.Visual.Transitions.reverse */
+MochiKit.Visual.Transitions.reverse = function (pos) {
+    return 1 - pos;
+};
+
+/** @id MochiKit.Visual.Transitions.flicker */
+MochiKit.Visual.Transitions.flicker = function (pos) {
+    return 0.25 - Math.cos(pos*Math.PI)/4 + Math.random()/2;
+};
+
+/** @id MochiKit.Visual.Transitions.wobble */
+MochiKit.Visual.Transitions.wobble = function (pos) {
+    return 0.5 - Math.cos(9*pos*Math.PI)/2;
+};
+
+/** @id MochiKit.Visual.Transitions.pulse */
+MochiKit.Visual.Transitions.pulse = function (pos, pulses) {
+    if (pulses) {
+        pos *= 2 * pulses;
+    } else {
+        pos *= 10;
+    }
+    var decimals = pos - Math.floor(pos);
+    return (Math.floor(pos) % 2 == 0) ? decimals : 1 - decimals;
+};
+
+/** @id MochiKit.Visual.Transitions.parabolic */
+MochiKit.Visual.Transitions.parabolic = function (pos) {
+   return pos * pos;
+};
+
+/** @id MochiKit.Visual.Transitions.none */
+MochiKit.Visual.Transitions.none = function (pos) {
+    return 0;
+};
+
+/** @id MochiKit.Visual.Transitions.full */
+MochiKit.Visual.Transitions.full = function (pos) {
+    return 1;
+};
+
+/***
+
+Core effects
+
+***/
+
+MochiKit.Visual.ScopedQueue = function () {
+    var cls = arguments.callee;
+    if (!(this instanceof cls)) {
+        return new cls();
+    }
+    this.__init__();
+};
+MochiKit.Visual.ScopedQueue.__export__ = false;
+
+MochiKit.Base.update(MochiKit.Visual.ScopedQueue.prototype, {
+    __init__: function () {
+        this.effects = [];
+        this.interval = null;
+    },
+
+    /** @id MochiKit.Visual.ScopedQueue.prototype.add */
+    add: function (effect) {
+        var timestamp = new Date().getTime();
+
+        var position = (typeof(effect.options.queue) == 'string') ?
+            effect.options.queue : effect.options.queue.position;
+
+        var ma = MochiKit.Base.map;
+        switch (position) {
+            case 'front':
+                // move unstarted effects after this effect
+                ma(function (e) {
+                    if (e.state == 'idle') {
+                        e.startOn += effect.finishOn;
+                        e.finishOn += effect.finishOn;
+                    }
+                }, this.effects);
+                break;
+            case 'end':
+                var finish;
+                // start effect after last queued effect has finished
+                ma(function (e) {
+                    var i = e.finishOn;
+                    if (i >= (finish || i)) {
+                        finish = i;
+                    }
+                }, this.effects);
+                timestamp = finish || timestamp;
+                break;
+            case 'break':
+                ma(function (e) {
+                    e.finalize();
+                }, this.effects);
+                break;
+        }
+
+        effect.startOn += timestamp;
+        effect.finishOn += timestamp;
+        if (!effect.options.queue.limit ||
+            this.effects.length < effect.options.queue.limit) {
+            this.effects.push(effect);
+        }
+
+        if (!this.interval) {
+            this.interval = this.startLoop(MochiKit.Base.bind(this.loop, this),
+                                        40);
+        }
+    },
+
+    /** @id MochiKit.Visual.ScopedQueue.prototype.startLoop */
+    startLoop: function (func, interval) {
+        return setInterval(func, interval);
+    },
+
+    /** @id MochiKit.Visual.ScopedQueue.prototype.remove */
+    remove: function (effect) {
+        this.effects = MochiKit.Base.filter(function (e) {
+            return e != effect;
+        }, this.effects);
+        if (!this.effects.length) {
+            this.stopLoop(this.interval);
+            this.interval = null;
+        }
+    },
+
+    /** @id MochiKit.Visual.ScopedQueue.prototype.stopLoop */
+    stopLoop: function (interval) {
+        clearInterval(interval);
+    },
+
+    /** @id MochiKit.Visual.ScopedQueue.prototype.loop */
+    loop: function () {
+        var timePos = new Date().getTime();
+        MochiKit.Base.map(function (effect) {
+            effect.loop(timePos);
+        }, this.effects);
+    }
+});
+
+MochiKit.Visual.Queues = {
+    __export__: false,
+    instances: {},
+    get: function (queueName) {
+        if (typeof(queueName) != 'string') {
+            return queueName;
+        }
+
+        if (!this.instances[queueName]) {
+            this.instances[queueName] = new MochiKit.Visual.ScopedQueue();
+        }
+        return this.instances[queueName];
+    }
+};
+
+MochiKit.Visual.Queue = MochiKit.Visual.Queues.get('global');
+MochiKit.Visual.Queue.__export__ = false;
+
+MochiKit.Visual.DefaultOptions = {
+    __export__: false,
+    transition: MochiKit.Visual.Transitions.sinoidal,
+    duration: 1.0,  // seconds
+    fps: 25.0,  // max. 25fps due to MochiKit.Visual.Queue implementation
+    sync: false,  // true for combining
+    from: 0.0,
+    to: 1.0,
+    delay: 0.0,
+    queue: 'parallel'
+};
+
+MochiKit.Visual.Base = function () {};
+
+MochiKit.Visual.Base.prototype = {
+    /***
+
+    Basic class for all Effects. Define a looping mechanism called for each step
+    of an effect. Don't instantiate it, only subclass it.
+
+    ***/
+
+    __class__ : MochiKit.Visual.Base,
+
+    /** @id MochiKit.Visual.Base.prototype.start */
+    start: function (options) {
+        var v = MochiKit.Visual;
+        this.options = MochiKit.Base.setdefault(options,
+                                                v.DefaultOptions);
+        this.currentFrame = 0;
+        this.state = 'idle';
+        this.startOn = this.options.delay*1000;
+        this.finishOn = this.startOn + (this.options.duration*1000);
+        this.event('beforeStart');
+        if (!this.options.sync) {
+            v.Queues.get(typeof(this.options.queue) == 'string' ?
+                'global' : this.options.queue.scope).add(this);
+        }
+    },
+
+    /** @id MochiKit.Visual.Base.prototype.loop */
+    loop: function (timePos) {
+        if (timePos >= this.startOn) {
+            if (timePos >= this.finishOn) {
+                return this.finalize();
+            }
+            var pos = (timePos - this.startOn) / (this.finishOn - this.startOn);
+            var frame =
+                Math.round(pos * this.options.fps * this.options.duration);
+            if (frame > this.currentFrame) {
+                this.render(pos);
+                this.currentFrame = frame;
+            }
+        }
+    },
+
+    /** @id MochiKit.Visual.Base.prototype.render */
+    render: function (pos) {
+        if (this.state == 'idle') {
+            this.state = 'running';
+            this.event('beforeSetup');
+            this.setup();
+            this.event('afterSetup');
+        }
+        if (this.state == 'running') {
+            if (this.options.transition) {
+                pos = this.options.transition(pos);
+            }
+            pos *= (this.options.to - this.options.from);
+            pos += this.options.from;
+            this.event('beforeUpdate');
+            this.update(pos);
+            this.event('afterUpdate');
+        }
+    },
+
+    /** @id MochiKit.Visual.Base.prototype.cancel */
+    cancel: function () {
+        if (!this.options.sync) {
+            MochiKit.Visual.Queues.get(typeof(this.options.queue) == 'string' ?
+                'global' : this.options.queue.scope).remove(this);
+        }
+        this.state = 'finished';
+    },
+
+    /** @id MochiKit.Visual.Base.prototype.finalize */
+    finalize: function () {
+        this.render(1.0);
+        this.cancel();
+        this.event('beforeFinish');
+        this.finish();
+        this.event('afterFinish');
+    },
+
+    setup: function () {
+    },
+
+    finish: function () {
+    },
+
+    update: function (position) {
+    },
+
+    /** @id MochiKit.Visual.Base.prototype.event */
+    event: function (eventName) {
+        if (this.options[eventName + 'Internal']) {
+            this.options[eventName + 'Internal'](this);
+        }
+        if (this.options[eventName]) {
+            this.options[eventName](this);
+        }
+    },
+
+    /** @id MochiKit.Visual.Base.prototype.repr */
+    repr: function () {
+        return '[' + this.__class__.NAME + ', options:' +
+               MochiKit.Base.repr(this.options) + ']';
+    }
+};
+
+/** @id MochiKit.Visual.Parallel */
+MochiKit.Visual.Parallel = function (effects, options) {
+    var cls = arguments.callee;
+    if (!(this instanceof cls)) {
+        return new cls(effects, options);
+    }
+
+    this.__init__(effects, options);
+};
+
+MochiKit.Visual.Parallel.prototype = new MochiKit.Visual.Base();
+
+MochiKit.Base.update(MochiKit.Visual.Parallel.prototype, {
+    /***
+
+    Run multiple effects at the same time.
+
+    ***/
+
+    __class__ : MochiKit.Visual.Parallel,
+
+    __init__: function (effects, options) {
+        this.effects = effects || [];
+        this.start(options);
+    },
+
+    /** @id MochiKit.Visual.Parallel.prototype.update */
+    update: function (position) {
+        MochiKit.Base.map(function (effect) {
+            effect.render(position);
+        }, this.effects);
+    },
+
+    /** @id MochiKit.Visual.Parallel.prototype.finish */
+    finish: function () {
+        MochiKit.Base.map(function (effect) {
+            effect.finalize();
+        }, this.effects);
+    }
+});
+
+/** @id MochiKit.Visual.Sequence */
+MochiKit.Visual.Sequence = function (effects, options) {
+    var cls = arguments.callee;
+    if (!(this instanceof cls)) {
+        return new cls(effects, options);
+    }
+    this.__init__(effects, options);
+};
+
+MochiKit.Visual.Sequence.prototype = new MochiKit.Visual.Base();
+
+MochiKit.Base.update(MochiKit.Visual.Sequence.prototype, {
+
+    __class__ : MochiKit.Visual.Sequence,
+
+    __init__: function (effects, options) {
+        var defs = { transition: MochiKit.Visual.Transitions.linear,
+                     duration: 0 };
+        this.effects = effects || [];
+        MochiKit.Base.map(function (effect) {
+            defs.duration += effect.options.duration;
+        }, this.effects);
+        MochiKit.Base.setdefault(options, defs);
+        this.start(options);
+    },
+
+    /** @id MochiKit.Visual.Sequence.prototype.update */
+    update: function (position) {
+        var time = position * this.options.duration;
+        for (var i = 0; i < this.effects.length; i++) {
+            var effect = this.effects[i];
+            if (time <= effect.options.duration) {
+                effect.render(time / effect.options.duration);
+                break;
+            } else {
+                time -= effect.options.duration;
+            }
+        }
+    },
+
+    /** @id MochiKit.Visual.Sequence.prototype.finish */
+    finish: function () {
+        MochiKit.Base.map(function (effect) {
+            effect.finalize();
+        }, this.effects);
+    }
+});
+
+/** @id MochiKit.Visual.Opacity */
+MochiKit.Visual.Opacity = function (element, options) {
+    var cls = arguments.callee;
+    if (!(this instanceof cls)) {
+        return new cls(element, options);
+    }
+    this.__init__(element, options);
+};
+
+MochiKit.Visual.Opacity.prototype = new MochiKit.Visual.Base();
+
+MochiKit.Base.update(MochiKit.Visual.Opacity.prototype, {
+    /***
+
+    Change the opacity of an element.
+
+    @param options: 'from' and 'to' change the starting and ending opacities.
+    Must be between 0.0 and 1.0. Default to current opacity and 1.0.
+
+    ***/
+
+    __class__ : MochiKit.Visual.Opacity,
+
+    __init__: function (element, /* optional */options) {
+        var b = MochiKit.Base;
+        var s = MochiKit.Style;
+        this.element = MochiKit.DOM.getElement(element);
+        // make this work on IE on elements without 'layout'
+        if (this.element.currentStyle &&
+            (!this.element.currentStyle.hasLayout)) {
+            s.setStyle(this.element, {zoom: 1});
+        }
+        options = b.update({
+            from: s.getStyle(this.element, 'opacity') || 0.0,
+            to: 1.0
+        }, options);
+        this.start(options);
+    },
+
+    /** @id MochiKit.Visual.Opacity.prototype.update */
+    update: function (position) {
+        MochiKit.Style.setStyle(this.element, {'opacity': position});
+    }
+});
+
+/**  @id MochiKit.Visual.Move.prototype */
+MochiKit.Visual.Move = function (element, options) {
+    var cls = arguments.callee;
+    if (!(this instanceof cls)) {
+        return new cls(element, options);
+    }
+    this.__init__(element, options);
+};
+
+MochiKit.Visual.Move.prototype = new MochiKit.Visual.Base();
+
+MochiKit.Base.update(MochiKit.Visual.Move.prototype, {
+    /***
+
+    Move an element between its current position to a defined position
+
+    @param options: 'x' and 'y' for final positions, default to 0, 0.
+
+    ***/
+
+    __class__ : MochiKit.Visual.Move,
+
+    __init__: function (element, /* optional */options) {
+        this.element = MochiKit.DOM.getElement(element);
+        options = MochiKit.Base.update({
+            x: 0,
+            y: 0,
+            mode: 'relative'
+        }, options);
+        this.start(options);
+    },
+
+    /** @id MochiKit.Visual.Move.prototype.setup */
+    setup: function () {
+        // Bug in Opera: Opera returns the 'real' position of a static element
+        // or relative element that does not have top/left explicitly set.
+        // ==> Always set top and left for position relative elements in your
+        // stylesheets (to 0 if you do not need them)
+        MochiKit.Style.makePositioned(this.element);
+
+        var s = this.element.style;
+        var originalVisibility = s.visibility;
+        var originalDisplay = s.display;
+        if (originalDisplay == 'none') {
+            s.visibility = 'hidden';
+            s.display = '';
+        }
+
+        this.originalLeft = parseFloat(MochiKit.Style.getStyle(this.element, 'left') || '0');
+        this.originalTop = parseFloat(MochiKit.Style.getStyle(this.element, 'top') || '0');
+
+        if (this.options.mode == 'absolute') {
+            // absolute movement, so we need to calc deltaX and deltaY
+            this.options.x -= this.originalLeft;
+            this.options.y -= this.originalTop;
+        }
+        if (originalDisplay == 'none') {
+            s.visibility = originalVisibility;
+            s.display = originalDisplay;
+        }
+    },
+
+    /** @id MochiKit.Visual.Move.prototype.update */
+    update: function (position) {
+        MochiKit.Style.setStyle(this.element, {
+            left: Math.round(this.options.x * position + this.originalLeft) + 'px',
+            top: Math.round(this.options.y * position + this.originalTop) + 'px'
+        });
+    }
+});
+
+/** @id MochiKit.Visual.Scale */
+MochiKit.Visual.Scale = function (element, percent, options) {
+    var cls = arguments.callee;
+    if (!(this instanceof cls)) {
+        return new cls(element, percent, options);
+    }
+    this.__init__(element, percent, options);
+};
+
+MochiKit.Visual.Scale.prototype = new MochiKit.Visual.Base();
+
+MochiKit.Base.update(MochiKit.Visual.Scale.prototype, {
+    /***
+
+    Change the size of an element.
+
+    @param percent: final_size = percent*original_size
+
+    @param options: several options changing scale behaviour
+
+    ***/
+
+    __class__ : MochiKit.Visual.Scale,
+
+    __init__: function (element, percent, /* optional */options) {
+        this.element = MochiKit.DOM.getElement(element);
+        options = MochiKit.Base.update({
+            scaleX: true,
+            scaleY: true,
+            scaleContent: true,
+            scaleFromCenter: false,
+            scaleMode: 'box',  // 'box' or 'contents' or {} with provided values
+            scaleFrom: 100.0,
+            scaleTo: percent
+        }, options);
+        this.start(options);
+    },
+
+    /** @id MochiKit.Visual.Scale.prototype.setup */
+    setup: function () {
+        this.restoreAfterFinish = this.options.restoreAfterFinish || false;
+        this.elementPositioning = MochiKit.Style.getStyle(this.element,
+                                                        'position');
+
+        var ma = MochiKit.Base.map;
+        var b = MochiKit.Base.bind;
+        this.originalStyle = {};
+        ma(b(function (k) {
+                this.originalStyle[k] = this.element.style[k];
+            }, this), ['top', 'left', 'width', 'height', 'fontSize']);
+
+        this.originalTop = this.element.offsetTop;
+        this.originalLeft = this.element.offsetLeft;
+
+        var fontSize = MochiKit.Style.getStyle(this.element,
+                                             'font-size') || '100%';
+        ma(b(function (fontSizeType) {
+            if (fontSize.indexOf(fontSizeType) > 0) {
+                this.fontSize = parseFloat(fontSize);
+                this.fontSizeType = fontSizeType;
+            }
+        }, this), ['em', 'px', '%']);
+
+        this.factor = (this.options.scaleTo - this.options.scaleFrom)/100;
+
+        if (/^content/.test(this.options.scaleMode)) {
+            this.dims = [this.element.scrollHeight, this.element.scrollWidth];
+        } else if (this.options.scaleMode == 'box') {
+            this.dims = [this.element.offsetHeight, this.element.offsetWidth];
+        } else {
+            this.dims = [this.options.scaleMode.originalHeight,
+                         this.options.scaleMode.originalWidth];
+        }
+    },
+
+    /** @id MochiKit.Visual.Scale.prototype.update */
+    update: function (position) {
+        var currentScale = (this.options.scaleFrom/100.0) +
+                           (this.factor * position);
+        if (this.options.scaleContent && this.fontSize) {
+            MochiKit.Style.setStyle(this.element, {
+                fontSize: this.fontSize * currentScale + this.fontSizeType
+            });
+        }
+        this.setDimensions(this.dims[0] * currentScale,
+                           this.dims[1] * currentScale);
+    },
+
+    /** @id MochiKit.Visual.Scale.prototype.finish */
+    finish: function () {
+        if (this.restoreAfterFinish) {
+            MochiKit.Style.setStyle(this.element, this.originalStyle);
+        }
+    },
+
+    /** @id MochiKit.Visual.Scale.prototype.setDimensions */
+    setDimensions: function (height, width) {
+        var d = {};
+        var r = Math.round;
+        if (/MSIE/.test(navigator.userAgent)) {
+            r = Math.ceil;
+        }
+        if (this.options.scaleX) {
+            d.width = r(width) + 'px';
+        }
+        if (this.options.scaleY) {
+            d.height = r(height) + 'px';
+        }
+        if (this.options.scaleFromCenter) {
+            var topd = (height - this.dims[0])/2;
+            var leftd = (width - this.dims[1])/2;
+            if (this.elementPositioning == 'absolute') {
+                if (this.options.scaleY) {
+                    d.top = this.originalTop - topd + 'px';
+                }
+                if (this.options.scaleX) {
+                    d.left = this.originalLeft - leftd + 'px';
+                }
+            } else {
+                if (this.options.scaleY) {
+                    d.top = -topd + 'px';
+                }
+                if (this.options.scaleX) {
+                    d.left = -leftd + 'px';
+                }
+            }
+        }
+        MochiKit.Style.setStyle(this.element, d);
+    }
+});
+
+/** @id MochiKit.Visual.Highlight */
+MochiKit.Visual.Highlight = function (element, options) {
+    var cls = arguments.callee;
+    if (!(this instanceof cls)) {
+        return new cls(element, options);
+    }
+    this.__init__(element, options);
+};
+
+MochiKit.Visual.Highlight.prototype = new MochiKit.Visual.Base();
+
+MochiKit.Base.update(MochiKit.Visual.Highlight.prototype, {
+    /***
+
+    Highlight an item of the page.
+
+    @param options: 'startcolor' for choosing highlighting color, default
+    to '#ffff99'.
+
+    ***/
+
+    __class__ : MochiKit.Visual.Highlight,
+
+    __init__: function (element, /* optional */options) {
+        this.element = MochiKit.DOM.getElement(element);
+        options = MochiKit.Base.update({
+            startcolor: '#ffff99'
+        }, options);
+        this.start(options);
+    },
+
+    /** @id MochiKit.Visual.Highlight.prototype.setup */
+    setup: function () {
+        var b = MochiKit.Base;
+        var s = MochiKit.Style;
+        // Prevent executing on elements not in the layout flow
+        if (s.getStyle(this.element, 'display') == 'none') {
+            this.cancel();
+            return;
+        }
+        // Disable background image during the effect
+        this.oldStyle = {
+            backgroundImage: s.getStyle(this.element, 'background-image')
+        };
+        s.setStyle(this.element, {
+            backgroundImage: 'none'
+        });
+
+        if (!this.options.endcolor) {
+            this.options.endcolor =
+                MochiKit.Color.Color.fromBackground(this.element).toHexString();
+        }
+        if (b.isUndefinedOrNull(this.options.restorecolor)) {
+            this.options.restorecolor = s.getStyle(this.element,
+                                                   'background-color');
+        }
+        // init color calculations
+        this._base = b.map(b.bind(function (i) {
+            return parseInt(
+                this.options.startcolor.slice(i*2 + 1, i*2 + 3), 16);
+        }, this), [0, 1, 2]);
+        this._delta = b.map(b.bind(function (i) {
+            return parseInt(this.options.endcolor.slice(i*2 + 1, i*2 + 3), 16)
+                - this._base[i];
+        }, this), [0, 1, 2]);
+    },
+
+    /** @id MochiKit.Visual.Highlight.prototype.update */
+    update: function (position) {
+        var m = '#';
+        MochiKit.Base.map(MochiKit.Base.bind(function (i) {
+            m += MochiKit.Color.toColorPart(Math.round(this._base[i] +
+                                            this._delta[i]*position));
+        }, this), [0, 1, 2]);
+        MochiKit.Style.setStyle(this.element, {
+            backgroundColor: m
+        });
+    },
+
+    /** @id MochiKit.Visual.Highlight.prototype.finish */
+    finish: function () {
+        MochiKit.Style.setStyle(this.element,
+            MochiKit.Base.update(this.oldStyle, {
+                backgroundColor: this.options.restorecolor
+        }));
+    }
+});
+
+/** @id MochiKit.Visual.ScrollTo */
+MochiKit.Visual.ScrollTo = function (element, options) {
+    var cls = arguments.callee;
+    if (!(this instanceof cls)) {
+        return new cls(element, options);
+    }
+    this.__init__(element, options);
+};
+
+MochiKit.Visual.ScrollTo.prototype = new MochiKit.Visual.Base();
+
+MochiKit.Base.update(MochiKit.Visual.ScrollTo.prototype, {
+    /***
+
+    Scroll to an element in the page.
+
+    ***/
+
+    __class__ : MochiKit.Visual.ScrollTo,
+
+    __init__: function (element, /* optional */options) {
+        this.element = MochiKit.DOM.getElement(element);
+        this.start(options);
+    },
+
+    /** @id MochiKit.Visual.ScrollTo.prototype.setup */
+    setup: function () {
+        var p = MochiKit.Position;
+        p.prepare();
+        var offsets = p.cumulativeOffset(this.element);
+        if (this.options.offset) {
+            offsets.y += this.options.offset;
+        }
+        var max;
+        if (window.innerHeight) {
+            max = window.innerHeight - window.height;
+        } else if (document.documentElement &&
+                   document.documentElement.clientHeight) {
+            max = document.documentElement.clientHeight -
+                  document.body.scrollHeight;
+        } else if (document.body) {
+            max = document.body.clientHeight - document.body.scrollHeight;
+        }
+        this.scrollStart = p.windowOffset.y;
+        this.delta = (offsets.y > max ? max : offsets.y) - this.scrollStart;
+    },
+
+    /** @id MochiKit.Visual.ScrollTo.prototype.update */
+    update: function (position) {
+        var p = MochiKit.Position;
+        p.prepare();
+        window.scrollTo(p.windowOffset.x, this.scrollStart + (position * this.delta));
+    }
+});
+
+MochiKit.Visual._CSS_LENGTH = /^(([\+\-]?[0-9\.]+)(em|ex|px|in|cm|mm|pt|pc|\%))|0$/;
+
+MochiKit.Visual.Morph = function (element, options) {
+    var cls = arguments.callee;
+    if (!(this instanceof cls)) {
+        return new cls(element, options);
+    }
+    this.__init__(element, options);
+};
+
+MochiKit.Visual.Morph.prototype = new MochiKit.Visual.Base();
+
+MochiKit.Base.update(MochiKit.Visual.Morph.prototype, {
+    /***
+
+    Morph effect: make a transformation from current style to the given style,
+    automatically making a transition between the two.
+
+    ***/
+
+    __class__ : MochiKit.Visual.Morph,
+
+    __init__: function (element, /* optional */options) {
+        this.element = MochiKit.DOM.getElement(element);
+        this.start(options);
+    },
+
+    /** @id MochiKit.Visual.Morph.prototype.setup */
+    setup: function () {
+        var b = MochiKit.Base;
+        var style = this.options.style;
+        this.styleStart = {};
+        this.styleEnd = {};
+        this.units = {};
+        var value, unit;
+        for (var s in style) {
+            value = style[s];
+            s = b.camelize(s);
+            if (MochiKit.Visual._CSS_LENGTH.test(value)) {
+                var components = value.match(/^([\+\-]?[0-9\.]+)(.*)$/);
+                value = parseFloat(components[1]);
+                unit = (components.length == 3) ? components[2] : null;
+                this.styleEnd[s] = value;
+                this.units[s] = unit;
+                value = MochiKit.Style.getStyle(this.element, s);
+                components = value.match(/^([\+\-]?[0-9\.]+)(.*)$/);
+                value = parseFloat(components[1]);
+                this.styleStart[s] = value;
+            } else if (/[Cc]olor$/.test(s)) {
+                var c = MochiKit.Color.Color;
+                value = c.fromString(value);
+                if (value) {
+                    this.units[s] = "color";
+                    this.styleEnd[s] = value.toHexString();
+                    value = MochiKit.Style.getStyle(this.element, s);
+                    this.styleStart[s] = c.fromString(value).toHexString();
+
+                    this.styleStart[s] = b.map(b.bind(function (i) {
+                        return parseInt(
+                            this.styleStart[s].slice(i*2 + 1, i*2 + 3), 16);
+                    }, this), [0, 1, 2]);
+                    this.styleEnd[s] = b.map(b.bind(function (i) {
+                        return parseInt(
+                            this.styleEnd[s].slice(i*2 + 1, i*2 + 3), 16);
+                    }, this), [0, 1, 2]);
+                }
+            } else {
+                // For non-length & non-color properties, we just set the value
+                this.element.style[s] = value;
+            }
+        }
+    },
+
+    /** @id MochiKit.Visual.Morph.prototype.update */
+    update: function (position) {
+        var value;
+        for (var s in this.styleStart) {
+            if (this.units[s] == "color") {
+                var m = '#';
+                var start = this.styleStart[s];
+                var end = this.styleEnd[s];
+                MochiKit.Base.map(MochiKit.Base.bind(function (i) {
+                    m += MochiKit.Color.toColorPart(Math.round(start[i] +
+                                                    (end[i] - start[i])*position));
+                }, this), [0, 1, 2]);
+                this.element.style[s] = m;
+            } else {
+                value = this.styleStart[s] + Math.round((this.styleEnd[s] - this.styleStart[s]) * position * 1000) / 1000 + this.units[s];
+                this.element.style[s] = value;
+            }
+        }
+    }
+});
+
+/***
+
+Combination effects.
+
+***/
+
+/** @id MochiKit.Visual.fade */
+MochiKit.Visual.fade = function (element, /* optional */ options) {
+    /***
+
+    Fade a given element: change its opacity and hide it in the end.
+
+    @param options: 'to' and 'from' to change opacity.
+
+    ***/
+    var s = MochiKit.Style;
+    var oldOpacity = s.getStyle(element, 'opacity');
+    options = MochiKit.Base.update({
+        from: s.getStyle(element, 'opacity') || 1.0,
+        to: 0.0,
+        afterFinishInternal: function (effect) {
+            if (effect.options.to !== 0) {
+                return;
+            }
+            s.hideElement(effect.element);
+            s.setStyle(effect.element, {'opacity': oldOpacity});
+        }
+    }, options);
+    return new MochiKit.Visual.Opacity(element, options);
+};
+
+/** @id MochiKit.Visual.appear */
+MochiKit.Visual.appear = function (element, /* optional */ options) {
+    /***
+
+    Make an element appear.
+
+    @param options: 'to' and 'from' to change opacity.
+
+    ***/
+    var s = MochiKit.Style;
+    var v = MochiKit.Visual;
+    options = MochiKit.Base.update({
+        from: (s.getStyle(element, 'display') == 'none' ? 0.0 :
+               s.getStyle(element, 'opacity') || 0.0),
+        to: 1.0,
+        // force Safari to render floated elements properly
+        afterFinishInternal: function (effect) {
+            v._forceRerendering(effect.element);
+        },
+        beforeSetupInternal: function (effect) {
+            s.setStyle(effect.element, {'opacity': effect.options.from});
+            s.showElement(effect.element);
+        }
+    }, options);
+    return new v.Opacity(element, options);
+};
+
+/** @id MochiKit.Visual.puff */
+MochiKit.Visual.puff = function (element, /* optional */ options) {
+    /***
+
+    'Puff' an element: grow it to double size, fading it and make it hidden.
+
+    ***/
+    var s = MochiKit.Style;
+    var v = MochiKit.Visual;
+    element = MochiKit.DOM.getElement(element);
+    var elementDimensions = MochiKit.Style.getElementDimensions(element, true);
+    var oldStyle = {
+        position: s.getStyle(element, 'position'),
+        top: element.style.top,
+        left: element.style.left,
+        width: element.style.width,
+        height: element.style.height,
+        opacity: s.getStyle(element, 'opacity')
+    };
+    options = MochiKit.Base.update({
+        beforeSetupInternal: function (effect) {
+            MochiKit.Position.absolutize(effect.effects[0].element);
+        },
+        afterFinishInternal: function (effect) {
+            s.hideElement(effect.effects[0].element);
+            s.setStyle(effect.effects[0].element, oldStyle);
+        },
+        scaleContent: true,
+        scaleFromCenter: true
+    }, options);
+    return new v.Parallel(
+        [new v.Scale(element, 200,
+            {sync: true, scaleFromCenter: options.scaleFromCenter,
+             scaleMode: {originalHeight: elementDimensions.h,
+                         originalWidth: elementDimensions.w},
+             scaleContent: options.scaleContent, restoreAfterFinish: true}),
+         new v.Opacity(element, {sync: true, to: 0.0 })],
+        options);
+};
+
+/** @id MochiKit.Visual.blindUp */
+MochiKit.Visual.blindUp = function (element, /* optional */ options) {
+    /***
+
+    Blind an element up: change its vertical size to 0.
+
+    ***/
+    var d = MochiKit.DOM;
+    var s = MochiKit.Style;
+    element = d.getElement(element);
+    var elementDimensions = s.getElementDimensions(element, true);
+    var elemClip = s.makeClipping(element);
+    options = MochiKit.Base.update({
+        scaleContent: false,
+        scaleX: false,
+        scaleMode: {originalHeight: elementDimensions.h,
+                    originalWidth: elementDimensions.w},
+        restoreAfterFinish: true,
+        afterFinishInternal: function (effect) {
+            s.hideElement(effect.element);
+            s.undoClipping(effect.element, elemClip);
+        }
+    }, options);
+    return new MochiKit.Visual.Scale(element, 0, options);
+};
+
+/** @id MochiKit.Visual.blindDown */
+MochiKit.Visual.blindDown = function (element, /* optional */ options) {
+    /***
+
+    Blind an element down: restore its vertical size.
+
+    ***/
+    var d = MochiKit.DOM;
+    var s = MochiKit.Style;
+    element = d.getElement(element);
+    var elementDimensions = s.getElementDimensions(element, true);
+    var elemClip;
+    options = MochiKit.Base.update({
+        scaleContent: false,
+        scaleX: false,
+        scaleFrom: 0,
+        scaleMode: {originalHeight: elementDimensions.h,
+                    originalWidth: elementDimensions.w},
+        restoreAfterFinish: true,
+        afterSetupInternal: function (effect) {
+            elemClip = s.makeClipping(effect.element);
+            s.setStyle(effect.element, {height: '0px'});
+            s.showElement(effect.element);
+        },
+        afterFinishInternal: function (effect) {
+            s.undoClipping(effect.element, elemClip);
+        }
+    }, options);
+    return new MochiKit.Visual.Scale(element, 100, options);
+};
+
+/** @id MochiKit.Visual.switchOff */
+MochiKit.Visual.switchOff = function (element, /* optional */ options) {
+    /***
+
+    Apply a switch-off-like effect.
+
+    ***/
+    var d = MochiKit.DOM;
+    var s = MochiKit.Style;
+    element = d.getElement(element);
+    var elementDimensions = s.getElementDimensions(element, true);
+    var oldOpacity = s.getStyle(element, 'opacity');
+    var elemClip;
+    options = MochiKit.Base.update({
+        duration: 0.7,
+        restoreAfterFinish: true,
+        beforeSetupInternal: function (effect) {
+            s.makePositioned(element);
+            elemClip = s.makeClipping(element);
+        },
+        afterFinishInternal: function (effect) {
+            s.hideElement(element);
+            s.undoClipping(element, elemClip);
+            s.undoPositioned(element);
+            s.setStyle(element, {'opacity': oldOpacity});
+        }
+    }, options);
+    var v = MochiKit.Visual;
+    return new v.Sequence(
+        [new v.appear(element,
+                      { sync: true, duration: 0.57 * options.duration,
+                        from: 0, transition: v.Transitions.flicker }),
+         new v.Scale(element, 1,
+                     { sync: true, duration: 0.43 * options.duration,
+                       scaleFromCenter: true, scaleX: false,
+                       scaleMode: {originalHeight: elementDimensions.h,
+                                   originalWidth: elementDimensions.w},
+                       scaleContent: false, restoreAfterFinish: true })],
+        options);
+};
+
+/** @id MochiKit.Visual.dropOut */
+MochiKit.Visual.dropOut = function (element, /* optional */ options) {
+    /***
+
+    Make an element fall and disappear.
+
+    ***/
+    var d = MochiKit.DOM;
+    var s = MochiKit.Style;
+    element = d.getElement(element);
+    var oldStyle = {
+        top: s.getStyle(element, 'top'),
+        left: s.getStyle(element, 'left'),
+        opacity: s.getStyle(element, 'opacity')
+    };
+
+    options = MochiKit.Base.update({
+        duration: 0.5,
+        distance: 100,
+        beforeSetupInternal: function (effect) {
+            s.makePositioned(effect.effects[0].element);
+        },
+        afterFinishInternal: function (effect) {
+            s.hideElement(effect.effects[0].element);
+            s.undoPositioned(effect.effects[0].element);
+            s.setStyle(effect.effects[0].element, oldStyle);
+        }
+    }, options);
+    var v = MochiKit.Visual;
+    return new v.Parallel(
+        [new v.Move(element, {x: 0, y: options.distance, sync: true}),
+         new v.Opacity(element, {sync: true, to: 0.0})],
+        options);
+};
+
+/** @id MochiKit.Visual.shake */
+MochiKit.Visual.shake = function (element, /* optional */ options) {
+    /***
+
+    Move an element from left to right several times.
+
+    ***/
+    var d = MochiKit.DOM;
+    var v = MochiKit.Visual;
+    var s = MochiKit.Style;
+    element = d.getElement(element);
+    var oldStyle = {
+        top: s.getStyle(element, 'top'),
+        left: s.getStyle(element, 'left')
+    };
+    options = MochiKit.Base.update({
+        duration: 0.5,
+        afterFinishInternal: function (effect) {
+            s.undoPositioned(element);
+            s.setStyle(element, oldStyle);
+        }
+    }, options);
+    return new v.Sequence(
+        [new v.Move(element, { sync: true, duration: 0.1 * options.duration,
+                               x: 20, y: 0 }),
+         new v.Move(element, { sync: true, duration: 0.2 * options.duration,
+                               x: -40, y: 0 }),
+         new v.Move(element, { sync: true, duration: 0.2 * options.duration,
+                               x: 40, y: 0 }),
+         new v.Move(element, { sync: true, duration: 0.2 * options.duration,
+                               x: -40, y: 0 }),
+         new v.Move(element, { sync: true, duration: 0.2 * options.duration,
+                               x: 40, y: 0 }),
+         new v.Move(element, { sync: true, duration: 0.1 * options.duration,
+                               x: -20, y: 0 })],
+        options);
+};
+
+/** @id MochiKit.Visual.slideDown */
+MochiKit.Visual.slideDown = function (element, /* optional */ options) {
+    /***
+
+    Slide an element down.
+    It needs to have the content of the element wrapped in a container
+    element with fixed height.
+
+    ***/
+    var d = MochiKit.DOM;
+    var b = MochiKit.Base;
+    var s = MochiKit.Style;
+    element = d.getElement(element);
+    if (!element.firstChild) {
+        throw new Error("MochiKit.Visual.slideDown must be used on a element with a child");
+    }
+    d.removeEmptyTextNodes(element);
+    var oldInnerBottom = s.getStyle(element.firstChild, 'bottom') || 0;
+    var elementDimensions = s.getElementDimensions(element, true);
+    var elemClip;
+    options = b.update({
+        scaleContent: false,
+        scaleX: false,
+        scaleFrom: 0,
+        scaleMode: {originalHeight: elementDimensions.h,
+                    originalWidth: elementDimensions.w},
+        restoreAfterFinish: true,
+        afterSetupInternal: function (effect) {
+            s.makePositioned(effect.element);
+            s.makePositioned(effect.element.firstChild);
+            if (/Opera/.test(navigator.userAgent)) {
+                s.setStyle(effect.element, {top: ''});
+            }
+            elemClip = s.makeClipping(effect.element);
+            s.setStyle(effect.element, {height: '0px'});
+            s.showElement(effect.element);
+        },
+        afterUpdateInternal: function (effect) {
+            var elementDimensions = s.getElementDimensions(effect.element, true);
+            s.setStyle(effect.element.firstChild,
+               {bottom: (effect.dims[0] - elementDimensions.h) + 'px'});
+        },
+        afterFinishInternal: function (effect) {
+            s.undoClipping(effect.element, elemClip);
+            // IE will crash if child is undoPositioned first
+            if (/MSIE/.test(navigator.userAgent)) {
+                s.undoPositioned(effect.element);
+                s.undoPositioned(effect.element.firstChild);
+            } else {
+                s.undoPositioned(effect.element.firstChild);
+                s.undoPositioned(effect.element);
+            }
+            s.setStyle(effect.element.firstChild, {bottom: oldInnerBottom});
+        }
+    }, options);
+
+    return new MochiKit.Visual.Scale(element, 100, options);
+};
+
+/** @id MochiKit.Visual.slideUp */
+MochiKit.Visual.slideUp = function (element, /* optional */ options) {
+    /***
+
+    Slide an element up.
+    It needs to have the content of the element wrapped in a container
+    element with fixed height.
+
+    ***/
+    var d = MochiKit.DOM;
+    var b = MochiKit.Base;
+    var s = MochiKit.Style;
+    element = d.getElement(element);
+    if (!element.firstChild) {
+        throw new Error("MochiKit.Visual.slideUp must be used on a element with a child");
+    }
+    d.removeEmptyTextNodes(element);
+    var oldInnerBottom = s.getStyle(element.firstChild, 'bottom');
+    var elementDimensions = s.getElementDimensions(element, true);
+    var elemClip;
+    options = b.update({
+        scaleContent: false,
+        scaleX: false,
+        scaleMode: {originalHeight: elementDimensions.h,
+                    originalWidth: elementDimensions.w},
+        scaleFrom: 100,
+        restoreAfterFinish: true,
+        beforeStartInternal: function (effect) {
+            s.makePositioned(effect.element);
+            s.makePositioned(effect.element.firstChild);
+            if (/Opera/.test(navigator.userAgent)) {
+                s.setStyle(effect.element, {top: ''});
+            }
+            elemClip = s.makeClipping(effect.element);
+            s.showElement(effect.element);
+        },
+        afterUpdateInternal: function (effect) {
+            var elementDimensions = s.getElementDimensions(effect.element, true);
+            s.setStyle(effect.element.firstChild,
+                {bottom: (effect.dims[0] - elementDimensions.h) + 'px'});
+        },
+        afterFinishInternal: function (effect) {
+            s.hideElement(effect.element);
+            s.undoClipping(effect.element, elemClip);
+            s.undoPositioned(effect.element.firstChild);
+            s.undoPositioned(effect.element);
+            s.setStyle(effect.element.firstChild, {bottom: oldInnerBottom});
+        }
+    }, options);
+    return new MochiKit.Visual.Scale(element, 0, options);
+};
+
+// Bug in opera makes the TD containing this element expand for a instance
+// after finish
+/** @id MochiKit.Visual.squish */
+MochiKit.Visual.squish = function (element, /* optional */ options) {
+    /***
+
+    Reduce an element and make it disappear.
+
+    ***/
+    var d = MochiKit.DOM;
+    var b = MochiKit.Base;
+    var s = MochiKit.Style;
+    var elementDimensions = s.getElementDimensions(element, true);
+    var elemClip;
+    options = b.update({
+        restoreAfterFinish: true,
+        scaleMode: {originalHeight: elementDimensions.w,
+                    originalWidth: elementDimensions.h},
+        beforeSetupInternal: function (effect) {
+            elemClip = s.makeClipping(effect.element);
+        },
+        afterFinishInternal: function (effect) {
+            s.hideElement(effect.element);
+            s.undoClipping(effect.element, elemClip);
+        }
+    }, options);
+
+    return new MochiKit.Visual.Scale(element, /Opera/.test(navigator.userAgent) ? 1 : 0, options);
+};
+
+/** @id MochiKit.Visual.grow */
+MochiKit.Visual.grow = function (element, /* optional */ options) {
+    /***
+
+    Grow an element to its original size. Make it zero-sized before
+    if necessary.
+
+    ***/
+    var d = MochiKit.DOM;
+    var v = MochiKit.Visual;
+    var s = MochiKit.Style;
+    element = d.getElement(element);
+    options = MochiKit.Base.update({
+        direction: 'center',
+        moveTransition: v.Transitions.sinoidal,
+        scaleTransition: v.Transitions.sinoidal,
+        opacityTransition: v.Transitions.full,
+        scaleContent: true,
+        scaleFromCenter: false
+    }, options);
+    var oldStyle = {
+        top: element.style.top,
+        left: element.style.left,
+        height: element.style.height,
+        width: element.style.width,
+        opacity: s.getStyle(element, 'opacity')
+    };
+    var dims = s.getElementDimensions(element, true);
+    var initialMoveX, initialMoveY;
+    var moveX, moveY;
+
+    switch (options.direction) {
+        case 'top-left':
+            initialMoveX = initialMoveY = moveX = moveY = 0;
+            break;
+        case 'top-right':
+            initialMoveX = dims.w;
+            initialMoveY = moveY = 0;
+            moveX = -dims.w;
+            break;
+        case 'bottom-left':
+            initialMoveX = moveX = 0;
+            initialMoveY = dims.h;
+            moveY = -dims.h;
+            break;
+        case 'bottom-right':
+            initialMoveX = dims.w;
+            initialMoveY = dims.h;
+            moveX = -dims.w;
+            moveY = -dims.h;
+            break;
+        case 'center':
+            initialMoveX = dims.w / 2;
+            initialMoveY = dims.h / 2;
+            moveX = -dims.w / 2;
+            moveY = -dims.h / 2;
+            break;
+    }
+
+    var optionsParallel = MochiKit.Base.update({
+        beforeSetupInternal: function (effect) {
+            s.setStyle(effect.effects[0].element, {height: '0px'});
+            s.showElement(effect.effects[0].element);
+        },
+        afterFinishInternal: function (effect) {
+            s.undoClipping(effect.effects[0].element);
+            s.undoPositioned(effect.effects[0].element);
+            s.setStyle(effect.effects[0].element, oldStyle);
+        }
+    }, options);
+
+    return new v.Move(element, {
+        x: initialMoveX,
+        y: initialMoveY,
+        duration: 0.01,
+        beforeSetupInternal: function (effect) {
+            s.hideElement(effect.element);
+            s.makeClipping(effect.element);
+            s.makePositioned(effect.element);
+        },
+        afterFinishInternal: function (effect) {
+            new v.Parallel(
+                [new v.Opacity(effect.element, {
+                    sync: true, to: 1.0, from: 0.0,
+                    transition: options.opacityTransition
+                 }),
+                 new v.Move(effect.element, {
+                     x: moveX, y: moveY, sync: true,
+                     transition: options.moveTransition
+                 }),
+                 new v.Scale(effect.element, 100, {
+                        scaleMode: {originalHeight: dims.h,
+                                    originalWidth: dims.w},
+                        sync: true,
+                        scaleFrom: /Opera/.test(navigator.userAgent) ? 1 : 0,
+                        transition: options.scaleTransition,
+                        scaleContent: options.scaleContent,
+                        scaleFromCenter: options.scaleFromCenter,
+                        restoreAfterFinish: true
+                })
+                ], optionsParallel
+            );
+        }
+    });
+};
+
+/** @id MochiKit.Visual.shrink */
+MochiKit.Visual.shrink = function (element, /* optional */ options) {
+    /***
+
+    Shrink an element and make it disappear.
+
+    ***/
+    var d = MochiKit.DOM;
+    var v = MochiKit.Visual;
+    var s = MochiKit.Style;
+    element = d.getElement(element);
+    options = MochiKit.Base.update({
+        direction: 'center',
+        moveTransition: v.Transitions.sinoidal,
+        scaleTransition: v.Transitions.sinoidal,
+        opacityTransition: v.Transitions.none,
+        scaleContent: true,
+        scaleFromCenter: false
+    }, options);
+    var oldStyle = {
+        top: element.style.top,
+        left: element.style.left,
+        height: element.style.height,
+        width: element.style.width,
+        opacity: s.getStyle(element, 'opacity')
+    };
+
+    var dims = s.getElementDimensions(element, true);
+    var moveX, moveY;
+
+    switch (options.direction) {
+        case 'top-left':
+            moveX = moveY = 0;
+            break;
+        case 'top-right':
+            moveX = dims.w;
+            moveY = 0;
+            break;
+        case 'bottom-left':
+            moveX = 0;
+            moveY = dims.h;
+            break;
+        case 'bottom-right':
+            moveX = dims.w;
+            moveY = dims.h;
+            break;
+        case 'center':
+            moveX = dims.w / 2;
+            moveY = dims.h / 2;
+            break;
+    }
+    var elemClip;
+
+    var optionsParallel = MochiKit.Base.update({
+        beforeStartInternal: function (effect) {
+            s.makePositioned(effect.effects[0].element);
+            elemClip = s.makeClipping(effect.effects[0].element);
+        },
+        afterFinishInternal: function (effect) {
+            s.hideElement(effect.effects[0].element);
+            s.undoClipping(effect.effects[0].element, elemClip);
+            s.undoPositioned(effect.effects[0].element);
+            s.setStyle(effect.effects[0].element, oldStyle);
+        }
+    }, options);
+
+    return new v.Parallel(
+        [new v.Opacity(element, {
+            sync: true, to: 0.0, from: 1.0,
+            transition: options.opacityTransition
+         }),
+         new v.Scale(element, /Opera/.test(navigator.userAgent) ? 1 : 0, {
+             scaleMode: {originalHeight: dims.h, originalWidth: dims.w},
+             sync: true, transition: options.scaleTransition,
+             scaleContent: options.scaleContent,
+             scaleFromCenter: options.scaleFromCenter,
+             restoreAfterFinish: true
+         }),
+         new v.Move(element, {
+             x: moveX, y: moveY, sync: true, transition: options.moveTransition
+         })
+        ], optionsParallel
+    );
+};
+
+/** @id MochiKit.Visual.pulsate */
+MochiKit.Visual.pulsate = function (element, /* optional */ options) {
+    /***
+
+    Pulse an element between appear/fade.
+
+    ***/
+    var d = MochiKit.DOM;
+    var v = MochiKit.Visual;
+    var b = MochiKit.Base;
+    var oldOpacity = MochiKit.Style.getStyle(element, 'opacity');
+    options = b.update({
+        duration: 3.0,
+        from: 0,
+        afterFinishInternal: function (effect) {
+            MochiKit.Style.setStyle(effect.element, {'opacity': oldOpacity});
+        }
+    }, options);
+    var transition = options.transition || v.Transitions.sinoidal;
+    options.transition = function (pos) {
+        return transition(1 - v.Transitions.pulse(pos, options.pulses));
+    };
+    return new v.Opacity(element, options);
+};
+
+/** @id MochiKit.Visual.fold */
+MochiKit.Visual.fold = function (element, /* optional */ options) {
+    /***
+
+    Fold an element, first vertically, then horizontally.
+
+    ***/
+    var d = MochiKit.DOM;
+    var v = MochiKit.Visual;
+    var s = MochiKit.Style;
+    element = d.getElement(element);
+    var elementDimensions = s.getElementDimensions(element, true);
+    var oldStyle = {
+        top: element.style.top,
+        left: element.style.left,
+        width: element.style.width,
+        height: element.style.height
+    };
+    var elemClip = s.makeClipping(element);
+    options = MochiKit.Base.update({
+        scaleContent: false,
+        scaleX: false,
+        scaleMode: {originalHeight: elementDimensions.h,
+                    originalWidth: elementDimensions.w},
+        afterFinishInternal: function (effect) {
+            new v.Scale(element, 1, {
+                scaleContent: false,
+                scaleY: false,
+                scaleMode: {originalHeight: elementDimensions.h,
+                            originalWidth: elementDimensions.w},
+                afterFinishInternal: function (effect) {
+                    s.hideElement(effect.element);
+                    s.undoClipping(effect.element, elemClip);
+                    s.setStyle(effect.element, oldStyle);
+                }
+            });
+        }
+    }, options);
+    return new v.Scale(element, 5, options);
+};
+
+
+/* end of Rico adaptation */
+
+MochiKit.Visual.__new__ = function () {
+    var m = MochiKit.Base;
+
+    // Backwards compatibility aliases
+    m._deprecated(this, 'Color', 'MochiKit.Color.Color', '1.1');
+    m._deprecated(this, 'getElementsComputedStyle', 'MochiKit.Style.getStyle', '1.1');
+
+    m.nameFunctions(this);
+};
+
+MochiKit.Visual.__new__();
+
+MochiKit.Base._exportSymbols(this, MochiKit.Visual);
diff --git a/frontend/gamma/js/MochiKit/__package__.js b/frontend/gamma/js/MochiKit/__package__.js
new file mode 100644
index 0000000..8d644b1
--- a/dev/null
+++ b/frontend/gamma/js/MochiKit/__package__.js
@@ -0,0 +1,18 @@
+dojo.kwCompoundRequire({
+    "common": [
+        "MochiKit.Base",
+        "MochiKit.Iter",
+        "MochiKit.Logging",
+        "MochiKit.DateTime",
+        "MochiKit.Format",
+        "MochiKit.Async",
+        "MochiKit.DOM",
+        "MochiKit.Style",
+        "MochiKit.LoggingPane",
+        "MochiKit.Color",
+        "MochiKit.Signal",
+        "MochiKit.Position",
+        "MochiKit.Visual"
+    ]
+});
+dojo.provide("MochiKit.*");