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diff --git a/frontend/delta/js/MochiKit/Sortable.js b/frontend/delta/js/MochiKit/Sortable.js
new file mode 100644
index 0000000..49ea390
--- a/dev/null
+++ b/frontend/delta/js/MochiKit/Sortable.js
@@ -0,0 +1,592 @@
+/*
+
+Copyright 2008-2013 Clipperz Srl
+
+This file is part of Clipperz, the online password manager.
+For further information about its features and functionalities please
+refer to http://www.clipperz.com.
+
+* Clipperz is free software: you can redistribute it and/or modify it
+  under the terms of the GNU Affero General Public License as published
+  by the Free Software Foundation, either version 3 of the License, or 
+  (at your option) any later version.
+
+* Clipperz is distributed in the hope that it will be useful, but 
+  WITHOUT ANY WARRANTY; without even the implied warranty of 
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+  See the GNU Affero General Public License for more details.
+
+* You should have received a copy of the GNU Affero General Public
+  License along with Clipperz. If not, see http://www.gnu.org/licenses/.
+
+*/
+
+/***
+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(MochiKit, '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);