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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);