var reviewerAC = new YAHOO.widget.AutoComplete(divid, cont, ownerDS);

    reviewerAC.useShadow = false;

    reviewerAC.resultTypeList = false;

    reviewerAC.suppressInputUpdate = true;

    reviewerAC.animVert = false;

    reviewerAC.animHoriz = false;

    reviewerAC.animSpeed = 0.1;

    // Helper highlight function for the formatter

    var highlightMatch = function (full, snippet, matchindex) {

            return full.substring(0, matchindex)

            + "<span class='match'>"

            + full.substr(matchindex, snippet.length)

            + "</span>" + full.substring(matchindex + snippet.length);

        };

    // Custom formatter to highlight the matching letters

    reviewerAC.formatResult = function (oResultData, sQuery, sResultMatch) {

            var org_sQuery = sQuery;

            if(this.dataSource.mentionQuery != null){

                sQuery = this.dataSource.mentionQuery;

            }

            var query = sQuery.toLowerCase();

            var _gravatar = function(res, em, group){

                if (group !== undefined){

                    em = '/images/icons/group.png'

                }

                tmpl = '<div class="ac-container-wrap"><img class="perm-gravatar-ac" src="{0}"/>{1}</div>'

                return tmpl.format(em,res)

            }

            if (oResultData.nname != undefined) {

                var fname = oResultData.fname || "";

                var lname = oResultData.lname || "";

                var nname = oResultData.nname;

                // Guard against null value

                var fnameMatchIndex = fname.toLowerCase().indexOf(query),

                    lnameMatchIndex = lname.toLowerCase().indexOf(query),

                    nnameMatchIndex = nname.toLowerCase().indexOf(query),

                    displayfname, displaylname, displaynname;

                if (fnameMatchIndex > -1) {

                    displayfname = highlightMatch(fname, query, fnameMatchIndex);

                } else {

                    displayfname = fname;

                }

                if (lnameMatchIndex > -1) {

                    displaylname = highlightMatch(lname, query, lnameMatchIndex);

                } else {

                    displaylname = lname;

                }

                if (nnameMatchIndex > -1) {

                    displaynname = "(" + highlightMatch(nname, query, nnameMatchIndex) + ")";

                } else {

                    displaynname = nname ? "(" + nname + ")" : "";

                }

                return _gravatar(displayfname + " " + displaylname + " " + displaynname, oResultData.gravatar_lnk);

            } else {

                return '';

            }

        };

    //members cache to catch duplicates

    reviewerAC.dataSource.cache = [];

    // hack into select event

    if(reviewerAC.itemSelectEvent){

        reviewerAC.itemSelectEvent.subscribe(function (sType, aArgs) {

            var myAC = aArgs[0]; // reference back to the AC instance

            var elLI = aArgs[1]; // reference to the selected LI element

            var oData = aArgs[2]; // object literal of selected item's result data

            //fill the autocomplete with value

            if (oData.nname != undefined) {

                addReviewMember(oData.id, oData.fname, oData.lname, oData.nname,

                                oData.gravatar_lnk);

                myAC.dataSource.cache.push(oData.id);

                YUD.get('user').value = ''

            }

        });

    }

    return {

        ownerDS: ownerDS,

        reviewerAC: reviewerAC,

    };

}

/**

 * QUICK REPO MENU

 */

var quick_repo_menu = function(){

    YUE.on(YUQ('.quick_repo_menu'),'mouseenter',function(e){

            var menu = e.currentTarget.firstElementChild.firstElementChild;

            if(YUD.hasClass(menu,'hidden')){

                YUD.replaceClass(e.currentTarget,'hidden', 'active');

                YUD.replaceClass(menu, 'hidden', 'active');

            }

        })

    YUE.on(YUQ('.quick_repo_menu'),'mouseleave',function(e){

            var menu = e.currentTarget.firstElementChild.firstElementChild;

            if(YUD.hasClass(menu,'active')){

                YUD.replaceClass(e.currentTarget, 'active', 'hidden');

                YUD.replaceClass(menu, 'active', 'hidden');

            }

        })

};

/**

 * TABLE SORTING

 */

// returns a node from given html;

var fromHTML = function(html){

      var _html = document.createElement('element');

      _html.innerHTML = html;

      return _html;

}

var get_rev = function(node){

    var n = node.firstElementChild.firstElementChild;

    if (n===null){

        return -1

    }

    else{

        out = n.firstElementChild.innerHTML.split(':')[0].replace('r','');

        return parseInt(out);

    }

}

var get_name = function(node){

     var name = node.firstElementChild.children[2].innerHTML;

     return name

}

var get_group_name = function(node){

    var name = node.firstElementChild.children[1].innerHTML;

    return name

}

var get_date = function(node){

    var date_ = YUD.getAttribute(node.firstElementChild,'date');

    return date_

}

var get_age = function(node){

    return node

}

var get_link = function(node){

    return node.firstElementChild.text;

}

var revisionSort = function(a, b, desc, field) {

      var a_ = fromHTML(a.getData(field));

      var b_ = fromHTML(b.getData(field));

      // extract revisions from string nodes

      a_ = get_rev(a_)

      b_ = get_rev(b_)

      var comp = YAHOO.util.Sort.compare;

      var compState = comp(a_, b_, desc);

      return compState;

};

var ageSort = function(a, b, desc, field) {

    var a_ = fromHTML(a.getData(field));

    var b_ = fromHTML(b.getData(field));

    // extract name from table

    a_ = get_date(a_)

    b_ = get_date(b_)

    var comp = YAHOO.util.Sort.compare;

    var compState = comp(a_, b_, desc);

    return compState;

};

var lastLoginSort = function(a, b, desc, field) {

    var a_ = a.getData('last_login_raw') || 0;

    var b_ = b.getData('last_login_raw') || 0;

    var comp = YAHOO.util.Sort.compare;

    var compState = comp(a_, b_, desc);

    return compState;

};

var nameSort = function(a, b, desc, field) {

    var comp = YAHOO.util.Sort.compare;

    var compState = comp(a_, b_, desc);

    return compState;

};

var permNameSort = function(a, b, desc, field) {

    var a_ = fromHTML(a.getData(field));

    var b_ = fromHTML(b.getData(field));

    // extract name from table

    a_ = a_.children[0].innerHTML;

    b_ = b_.children[0].innerHTML;

    var comp = YAHOO.util.Sort.compare;

    var compState = comp(a_, b_, desc);

    return compState;

};

var groupNameSort = function(a, b, desc, field) {

    var a_ = fromHTML(a.getData(field));

    var b_ = fromHTML(b.getData(field));

    // extract name from table

    a_ = get_group_name(a_)

    b_ = get_group_name(b_)

    var comp = YAHOO.util.Sort.compare;

    var compState = comp(a_, b_, desc);

    return compState;

};

var dateSort = function(a, b, desc, field) {

    var a_ = fromHTML(a.getData(field));

    var b_ = fromHTML(b.getData(field));

    // extract name from table

    a_ = get_date(a_)

    b_ = get_date(b_)

    var comp = YAHOO.util.Sort.compare;

    var compState = comp(a_, b_, desc);

    return compState;

};

var usernamelinkSort = function(a, b, desc, field) {

      var a_ = fromHTML(a.getData(field));

      var b_ = fromHTML(b.getData(field));

      // extract url text from string nodes

      a_ = get_link(a_)

      b_ = get_link(b_)

      var comp = YAHOO.util.Sort.compare;

      var compState = comp(a_, b_, desc);

      return compState;

}

var addPermAction = function(_html, users_list, groups_list){

    var elmts = YUD.getElementsByClassName('last_new_member');

    var last_node = elmts[elmts.length-1];

    if (last_node){

       var next_id = (YUD.getElementsByClassName('new_members')).length;

       _html = _html.format(next_id);

       last_node.innerHTML = _html;

       YUD.setStyle(last_node, 'display', '');

       YUD.removeClass(last_node, 'last_new_member');

       MembersAutoComplete("perm_new_member_name_"+next_id,

               "perm_container_"+next_id, users_list, groups_list);

       //create new last NODE

       var el = document.createElement('tr');

       el.id = 'add_perm_input';

       YUD.addClass(el,'last_new_member');

       YUD.addClass(el,'new_members');

       YUD.insertAfter(el, last_node);

    }

}

function ajaxActionRevokePermission(url, obj_id, obj_type, field_id, extra_data) {

    var callback = {

        success: function (o) {

            var tr = YUD.get(String(field_id));

            tr.parentNode.removeChild(tr);

        },

        failure: function (o) {

            alert(_TM['Failed to remoke permission'] + ": " + o.status);

        },

    };

    query_params = {

        '_method': 'delete'

    }

    // put extra data into POST

    if (extra_data !== undefined && (typeof extra_data === 'object')){

        for(k in extra_data){

            query_params[k] = extra_data[k];

        }

    }

    if (obj_type=='user'){

        query_params['user_id'] = obj_id;

        query_params['obj_type'] = 'user';

    }

    else if (obj_type=='user_group'){

        query_params['user_group_id'] = obj_id;

        query_params['obj_type'] = 'user_group';

    }

    var request = YAHOO.util.Connect.asyncRequest('POST', url, callback,

            toQueryString(query_params));

};

/* Multi selectors */

var MultiSelectWidget = function(selected_id, available_id, form_id){

    //definition of containers ID's

    var selected_container = selected_id;

    var available_container = available_id;

    //temp container for selected storage.

    var cache = new Array();

    var av_cache = new Array();

    var c =  YUD.get(selected_container);

    var ac = YUD.get(available_container);

    //get only selected options for further fullfilment

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

        if(node.selected){

            //push selected to my temp storage left overs :)

            cache.push(node);

        }

    }

    //get all available options to cache

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

            //push selected to my temp storage left overs :)

            av_cache.push(node);

    }

    //fill available only with those not in chosen

    ac.options.length=0;

    tmp_cache = new Array();

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

        var add = true;

        for(var i2 = 0;node_2 = cache[i2];i2++){

            if(node.value == node_2.value){

                add=false;

                break;

            }

        }

        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