}

        if(add){

            tmp_cache.push(new Option(node.text, node.value, false, false));

        }

    }

    for(var i = 0;node = tmp_cache[i];i++){

        ac.options[i] = node;

    }

    function prompts_action_callback(e){

        var chosen = YUD.get(selected_container);

        var available = YUD.get(available_container);

        //get checked and unchecked options from field

        function get_checked(from_field){

            //temp container for storage.

            var sel_cache = new Array();

            var oth_cache = new Array();

            for(var i = 0;node = from_field.options[i];i++){

                if(node.selected){

                    //push selected fields :)

                    sel_cache.push(node);

                }

                else{

                    oth_cache.push(node)

                }

            }

            return [sel_cache,oth_cache]

        }

        //fill the field with given options

        function fill_with(field,options){

            //clear firtst

            field.options.length=0;

            for(var i = 0;node = options[i];i++){

                    field.options[i]=new Option(node.text, node.value,

                            false, false);

            }

        }

        //adds to current field

        function add_to(field,options){

            for(var i = 0;node = options[i];i++){

                    field.appendChild(new Option(node.text, node.value,

                            false, false));

            }

        }

        // add action

        if (this.id=='add_element'){

            var c = get_checked(available);

            add_to(chosen,c[0]);

            fill_with(available,c[1]);

        }

        // remove action

        if (this.id=='remove_element'){

            var c = get_checked(chosen);

            add_to(available,c[0]);

            fill_with(chosen,c[1]);

        }

        // add all elements

        if(this.id=='add_all_elements'){

            for(var i=0; node = available.options[i];i++){

                    chosen.appendChild(new Option(node.text,

                            node.value, false, false));

            }

            available.options.length = 0;

        }

        //remove all elements

        if(this.id=='remove_all_elements'){

            for(var i=0; node = chosen.options[i];i++){

                available.appendChild(new Option(node.text,

                        node.value, false, false));

            }

            chosen.options.length = 0;

        }

    }

    YUE.addListener(['add_element','remove_element',

                   'add_all_elements','remove_all_elements'],'click',

                   prompts_action_callback)

    if (form_id !== undefined) {

        YUE.addListener(form_id,'submit',function(){

            var chosen = YUD.get(selected_container);

            for (var i = 0; i < chosen.options.length; i++) {

                chosen.options[i].selected = 'selected';

            }

        });

    }

}

    (function () {

        var Paginator = YAHOO.widget.Paginator,

            l         = YAHOO.lang,

            setId     = YAHOO.util.Dom.generateId;

        Paginator.ui.MyFirstPageLink = function (p) {

            this.paginator = p;

            p.subscribe('recordOffsetChange',this.update,this,true);

            p.subscribe('rowsPerPageChange',this.update,this,true);

            p.subscribe('totalRecordsChange',this.update,this,true);

            p.subscribe('destroy',this.destroy,this,true);

            // TODO: make this work

            p.subscribe('firstPageLinkLabelChange',this.update,this,true);

            p.subscribe('firstPageLinkClassChange',this.update,this,true);

        };

        Paginator.ui.MyFirstPageLink.init = function (p) {

            p.setAttributeConfig('firstPageLinkLabel', {

                value : 1,

                validator : l.isString

            });

            p.setAttributeConfig('firstPageLinkClass', {

                value : 'yui-pg-first',

                validator : l.isString

            });

            p.setAttributeConfig('firstPageLinkTitle', {

                value : 'First Page',

                validator : l.isString

            });

        };

        // Instance members and methods

        Paginator.ui.MyFirstPageLink.prototype = {

            current   : null,

            leftmost_page: null,

            rightmost_page: null,

            link      : null,

            span      : null,

            dotdot    : null,

            getPos    : function(cur_page, max_page, items){

                var edge = parseInt(items / 2) + 1;

                if (cur_page <= edge){

                    var radius = Math.max(parseInt(items / 2), items - cur_page);

                }

                else if ((max_page - cur_page) < edge) {

                    var radius = (items - 1) - (max_page - cur_page);

                }

                else{

                    var radius = parseInt(items / 2);

                }

                var left = Math.max(1, (cur_page - (radius)))

                var right = Math.min(max_page, cur_page + (radius))

                return [left, cur_page, right]

            },

            render : function (id_base) {

                var p      = this.paginator,

                    c      = p.get('firstPageLinkClass'),

                    label  = p.get('firstPageLinkLabel'),

                    title  = p.get('firstPageLinkTitle');

                this.link     = document.createElement('a');

                var _pos = this.getPos(p.getCurrentPage(), p.getTotalPages(), 5);

                this.leftmost_page = _pos[0];

                this.rightmost_page = _pos[2];

                setId(this.link, id_base + '-first-link');

                this.link.href      = '#';

                this.link.className = c;

                this.link.innerHTML = label;

                this.link.title     = title;

                YAHOO.util.Event.on(this.link,'click',this.onClick,this,true);

                setId(this.span, id_base + '-first-span');

                this.span.className = c;

                this.span.innerHTML = label;

                this.current = p.getCurrentPage() > 1 ? this.link : this.span;

                return this.current;

            },

            update : function (e) {

                var p      = this.paginator;

                var _pos   = this.getPos(p.getCurrentPage(), p.getTotalPages(), 5);

                this.leftmost_page = _pos[0];

                this.rightmost_page = _pos[2];

                if (e && e.prevValue === e.newValue) {

                    return;

                }

                var par = this.current ? this.current.parentNode : null;

                if (this.leftmost_page > 1) {

                    if (par && this.current === this.span) {

                        par.replaceChild(this.link,this.current);

                        this.current = this.link;

                    }

                } else {

                    if (par && this.current === this.link) {

                        par.replaceChild(this.span,this.current);

                        this.current = this.span;

                    }

                }

            },

            destroy : function () {

                YAHOO.util.Event.purgeElement(this.link);

                this.current.parentNode.removeChild(this.current);

                this.link = this.span = null;

            },

            onClick : function (e) {

                YAHOO.util.Event.stopEvent(e);

                this.paginator.setPage(1);

            }

        };

        })();

    (function () {

        var Paginator = YAHOO.widget.Paginator,

            l         = YAHOO.lang,

            setId     = YAHOO.util.Dom.generateId;

        Paginator.ui.MyLastPageLink = function (p) {

            this.paginator = p;

            p.subscribe('recordOffsetChange',this.update,this,true);

            p.subscribe('rowsPerPageChange',this.update,this,true);

            p.subscribe('totalRecordsChange',this.update,this,true);

            p.subscribe('destroy',this.destroy,this,true);

            // TODO: make this work

            p.subscribe('lastPageLinkLabelChange',this.update,this,true);

            p.subscribe('lastPageLinkClassChange', this.update,this,true);

        };

        Paginator.ui.MyLastPageLink.init = function (p) {

            p.setAttributeConfig('lastPageLinkLabel', {

                value : -1,

                validator : l.isString

            });

            p.setAttributeConfig('lastPageLinkClass', {

                value : 'yui-pg-last',

                validator : l.isString

            });

            p.setAttributeConfig('lastPageLinkTitle', {

                value : 'Last Page',

                validator : l.isString

            });

        };

        Paginator.ui.MyLastPageLink.prototype = {

            current   : null,

            leftmost_page: null,

            rightmost_page: null,

            link      : null,

            span      : null,

            dotdot    : null,

            na        : null,

            getPos    : function(cur_page, max_page, items){

                var edge = parseInt(items / 2) + 1;

                if (cur_page <= edge){

                    var radius = Math.max(parseInt(items / 2), items - cur_page);

                }

                else if ((max_page - cur_page) < edge) {

                    var radius = (items - 1) - (max_page - cur_page);

                }

                else{

                    var radius = parseInt(items / 2);

                }

                var left = Math.max(1, (cur_page - (radius)))

                var right = Math.min(max_page, cur_page + (radius))

                return [left, cur_page, right]

            },

            render : function (id_base) {

                var p      = this.paginator,

                    c      = p.get('lastPageLinkClass'),

                    label  = p.get('lastPageLinkLabel'),

                    last   = p.getTotalPages(),

                    title  = p.get('lastPageLinkTitle');

                var _pos = this.getPos(p.getCurrentPage(), p.getTotalPages(), 5);

                this.leftmost_page = _pos[0];

                this.rightmost_page = _pos[2];

                this.link = document.createElement('a');

                this.na   = this.span.cloneNode(false);

                setId(this.link, id_base + '-last-link');

                this.link.href      = '#';

                this.link.className = c;

                this.link.innerHTML = label;

                this.link.title     = title;

                YAHOO.util.Event.on(this.link,'click',this.onClick,this,true);

                setId(this.span, id_base + '-last-span');

                this.span.className = c;

                this.span.innerHTML = label;

                setId(this.na, id_base + '-last-na');

                if (this.rightmost_page < p.getTotalPages()){

                    this.current = this.link;

                }

                else{

                    this.current = this.span;

                }

                this.current.innerHTML = p.getTotalPages();

                return this.current;

            },

            update : function (e) {

                var p      = this.paginator;

                var _pos = this.getPos(p.getCurrentPage(), p.getTotalPages(), 5);

                this.leftmost_page = _pos[0];

                this.rightmost_page = _pos[2];

                if (e && e.prevValue === e.newValue) {

                    return;

                }

                var par   = this.current ? this.current.parentNode : null,

                    after = this.link;

                if (par) {

                    // only show the last page if the rightmost one is

                    // lower, so we don't have doubled entries at the end

                    if (!(this.rightmost_page < p.getTotalPages())){

                        after = this.span

                    }

                    if (this.current !== after) {

                        par.replaceChild(after,this.current);

                        this.current = after;

                    }

                }

                this.current.innerHTML = this.paginator.getTotalPages();

            },

            destroy : function () {

                YAHOO.util.Event.purgeElement(this.link);

                this.current.parentNode.removeChild(this.current);

                this.link = this.span = null;

            },

            onClick : function (e) {

                YAHOO.util.Event.stopEvent(e);

                this.paginator.setPage(this.paginator.getTotalPages());

            }

        };

        })();

    var pagi = new YAHOO.widget.Paginator({

        rowsPerPage: links_per_page,

        alwaysVisible: false,

        template : "{PreviousPageLink} {MyFirstPageLink} {PageLinks} {MyLastPageLink} {NextPageLink}",

        pageLinks: 5,

        containerClass: 'pagination-wh',

        currentPageClass: 'pager_curpage',

        pageLinkClass: 'pager_link',

        nextPageLinkLabel: '>',

        previousPageLinkLabel: '<',

        containers:containers

    })

    return pagi

}

// global hooks after DOM is loaded

YUE.onDOMReady(function(){

    YUE.on(YUQ('.diff-collapse-button'), 'click', function(e){

        var button = e.currentTarget;

        var t = YUD.get(button).getAttribute('target');

        console.log(t);

        if(YUD.hasClass(t, 'hidden')){

            YUD.removeClass(t, 'hidden');

            YUD.get(button).innerHTML = "↑ {0} ↑".format(_TM['Collapse diff']);