var uri = current_url_branch;

            uri = uri.replace('__BRANCH__',e.currentTarget.value);

            window.location = uri;

        }

        else{

            window.location = current_url;

        }

    })

    var $node_filter = $('#node_filter');

    var filterTimeout = null;

    var nodes = null;

    var initFilter = function(){

        $('#node_filter_box_loading').show();

        $('#search_activate_id').hide();

        $('#add_node_id').hide();

        $.ajax({url: node_list_url, headers: {'X-PARTIAL-XHR': '1'}, cache: false})

            .done(function(json) {

                    nodes = json.nodes;

                    $('#node_filter_box_loading').hide();

                    $('#node_filter_box').show();

                    $node_filter.focus();

                    if($node_filter.hasClass('init')){

                        $node_filter.val('');

                        $node_filter.removeClass('init');

                    }

                })

            .fail(function() {

                    console.log('fileBrowserListeners initFilter failed to load');

                })

        ;

    }

    var updateFilter = function(e) {

        return function(){

            // Reset timeout

            filterTimeout = null;

            var query = e.currentTarget.value.toLowerCase();

            var match = [];

            var matches = 0;

            var matches_max = 20;

            if (query != ""){

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

                    var pos = nodes[i].name.toLowerCase().indexOf(query)

                    if(query && pos != -1){

                        matches++

                        //show only certain amount to not kill browser

                        if (matches > matches_max){

                            break;

                        }

                        var n = nodes[i].name;

                        var t = nodes[i].type;

                        var n_hl = n.substring(0,pos)

                          +"<b>{0}</b>".format(n.substring(pos,pos+query.length))

                          +n.substring(pos+query.length)

                        var new_url = url_base.replace('__FPATH__',n);

                        match.push('<tr><td><a class="browser-{0}" href="{1}">{2}</a></td><td colspan="5"></td></tr>'.format(t,new_url,n_hl));

                    }

                    if(match.length >= matches_max){

                        match.push('<tr><td>{0}</td><td colspan="5"></td></tr>'.format(_TM['Search truncated']));

                        break;

                    }

                }

            }

            if(query != ""){

                $('#tbody').hide();

                $('#tbody_filtered').show();

                if (match.length==0){

                  match.push('<tr><td>{0}</td><td colspan="5"></td></tr>'.format(_TM['No matching files']));

                }

                $('#tbody_filtered').html(match.join(""));

            }

            else{

                $('#tbody').show();

                $('#tbody_filtered').hide();

            }

        }

    };

    $('#filter_activate').click(function(){

            initFilter();

        });

    $node_filter.click(function(){

            if($node_filter.hasClass('init')){

                $node_filter.val('');

                $node_filter.removeClass('init');

            }

        });

    $node_filter.keyup(function(e){

            clearTimeout(filterTimeout);

            filterTimeout = setTimeout(updateFilter(e),600);

        });

};

var initCodeMirror = function(textarea_id, resetUrl){

    var myCodeMirror = CodeMirror.fromTextArea($('#' + textarea_id)[0], {

            mode: "null",

            lineNumbers: true,

            indentUnit: 4,

            autofocus: true

        });

    CodeMirror.modeURL = "/codemirror/mode/%N/%N.js";

    $('#reset').click(function(e){

            window.location=resetUrl;

        });

    $('#file_enable').click(function(){

            $('#editor_container').show();

            $('#upload_file_container').hide();

            $('#filename_container').show();

            $('#set_mode_header').show();

        });

    $('#upload_file_enable').click(function(){

            $('#editor_container').hide();

            $('#upload_file_container').show();

            $('#filename_container').hide();

            $('#set_mode_header').hide();

        });

    return myCodeMirror

};

var setCodeMirrorMode = function(codeMirrorInstance, mode) {

    CodeMirror.autoLoadMode(codeMirrorInstance, mode);

}

var _getIdentNode = function(n){

    //iterate thrugh nodes until matching interesting node

    if (typeof n == 'undefined'){

        return -1

    }

    if(typeof n.id != "undefined" && n.id.match('L[0-9]+')){

        return n

    }

    else{

        return _getIdentNode(n.parentNode);

    }

};

/* generate links for multi line selects that can be shown by files.html page_highlights.

 * This is a mouseup handler for hlcode from CodeHtmlFormatter and pygmentize */

var getSelectionLink = function(e) {

    //get selection from start/to nodes

    if (typeof window.getSelection != "undefined") {

        s = window.getSelection();

        var from = _getIdentNode(s.anchorNode);

        var till = _getIdentNode(s.focusNode);

        var f_int = parseInt(from.id.replace('L',''));

        var t_int = parseInt(till.id.replace('L',''));

        var yoffset = 35;

        var ranges = [parseInt(from.id.replace('L','')), parseInt(till.id.replace('L',''))];

        if (ranges[0] > ranges[1]){

            //highlight from bottom

            yoffset = -yoffset;

            ranges = [ranges[1], ranges[0]];

        }

        var $hl_div = $('div#linktt');

        // if we select more than 2 lines

        if (ranges[0] != ranges[1]){

            if ($hl_div.length) {

                $hl_div.html('');

            } else {

                $hl_div = $('<div id="linktt" class="hl-tip-box">');

                $('body').prepend($hl_div);

            }

            $hl_div.append($('<a>').html(_TM['Selection link']).attr('href', location.href.substring(0, location.href.indexOf('#')) + '#L' + ranges[0] + '-'+ranges[1]));

            var xy = $(till).offset();

            $hl_div.css('top', (xy.top + yoffset) + 'px').css('left', xy.left + 'px');

            $hl_div.show();

        }

        else{

            $hl_div.hide();

        }

    }

};

var deleteNotification = function(url, notification_id, callbacks){

    var success = function(o){

            $("#notification_"+notification_id).remove();

            _run_callbacks(callbacks);

        };

    var failure = function(o){

            alert("deleteNotification failure");

        };

    var postData = {'_method': 'delete'};

    var sUrl = url.replace('__NOTIFICATION_ID__',notification_id);

    ajaxPOST(sUrl, postData, success, failure);

};

var readNotification = function(url, notification_id, callbacks){

    var success = function(o){

            var $obj = $("#notification_"+notification_id);

            $obj.removeClass('unread');

            $obj.find('.read-notification').remove();

            _run_callbacks(callbacks);

        };

    var failure = function(o){

            alert("readNotification failure");

        };

    var postData = {'_method': 'put'};

    var sUrl = url.replace('__NOTIFICATION_ID__',notification_id);

    ajaxPOST(sUrl, postData, success, failure);

};

/**

 * Autocomplete functionality

 */

// Custom search function for the DataSource of users

var autocompleteMatchUsers = function (sQuery, myUsers) {

    // Case insensitive matching

    var query = sQuery.toLowerCase();

    var i = 0;

    var l = myUsers.length;

    var matches = [];

    // Match against each name of each contact

    for (; i < l; i++) {

        var contact = myUsers[i];

        if (((contact.fname+"").toLowerCase().indexOf(query) > -1) ||

             ((contact.lname+"").toLowerCase().indexOf(query) > -1) ||

             ((contact.nname) && ((contact.nname).toLowerCase().indexOf(query) > -1))) {

            matches[matches.length] = contact;

        }

    }

    return matches;

};

// Custom search function for the DataSource of userGroups

var autocompleteMatchGroups = function (sQuery, myGroups) {

    // Case insensitive matching

    var query = sQuery.toLowerCase();

    var i = 0;

    var l = myGroups.length;

    var matches = [];

    // Match against each name of each group

    for (; i < l; i++) {

        var matched_group = myGroups[i];

        if (matched_group.grname.toLowerCase().indexOf(query) > -1) {

            matches[matches.length] = matched_group;

        }

    }

    return matches;

};

// Helper highlight function for the formatter

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

    return full.substring(0, matchindex)

    + "<span class='match'>"

    + full.substr(matchindex, snippet.length)

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

};

var gravatar = function(link, size, cssclass) {

    var elem = '<img alt="gravatar" class="{2}" style="width: {0}px; height: {0}px" src="{1}"/>'.format(size, link, cssclass);

    if (!link) {

        elem = '<i class="icon-user {1}" style="font-size: {0}px;"></i>'.format(size, cssclass);

    }

    return elem;

}

var autocompleteGravatar = function(res, link, size, group) {

    var elem = gravatar(link, size, "perm-gravatar-ac");

    if (group !== undefined) {

        elem = '<i class="perm-gravatar-ac icon-users"></i>';

    }

    return '<div class="ac-container-wrap">{0}{1}</div>'.format(elem, res);

}

// Custom formatter to highlight the matching letters

var autocompleteFormatter = function (oResultData, sQuery, sResultMatch) {

    var query = sQuery.toLowerCase();

    // group

    if (oResultData.grname != undefined) {

        var grname = oResultData.grname;

        var grmembers = oResultData.grmembers;

        var grnameMatchIndex = grname.toLowerCase().indexOf(query);

        var grprefix = "{0}: ".format(_TM['Group']);

        var grsuffix = " (" + grmembers + "  )";

        var grsuffix = " ({0}  {1})".format(grmembers, _TM['members']);

        if (grnameMatchIndex > -1) {

            return autocompleteGravatar(grprefix + autocompleteHighlightMatch(grname, query, grnameMatchIndex) + grsuffix, null, null, true);

        }

        return autocompleteGravatar(grprefix + oResultData.grname + grsuffix, null, null, true);

    // users

    } else 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 = autocompleteHighlightMatch(fname, query, fnameMatchIndex);

        } else {

            displayfname = fname;

        }

        if (lnameMatchIndex > -1) {

            displaylname = autocompleteHighlightMatch(lname, query, lnameMatchIndex);

        } else {

            displaylname = lname;

        }

        if (nnameMatchIndex > -1) {

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

        } else {

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

        }

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

    } else {

        return '';

    }

};

var _MembersAutoComplete = function (divid, cont, users_list, groups_list) {

    var matchUsers = function (sQuery) {

        return autocompleteMatchUsers(sQuery, users_list);

    }

    var matchGroups = function (sQuery) {

        return autocompleteMatchGroups(sQuery, groups_list);

    }

    var matchAll = function (sQuery) {

        var u = matchUsers(sQuery);

        var g = matchGroups(sQuery);

        return u.concat(g);

    };

    // DataScheme for members

    var memberDS = new YAHOO.util.FunctionDataSource(matchAll);

    memberDS.responseSchema = {

        fields: ["id", "fname", "lname", "nname", "grname", "grmembers", "gravatar_lnk", "gravatar_size"]

    };

    // DataScheme for owner

    var ownerDS = new YAHOO.util.FunctionDataSource(matchUsers);

    ownerDS.responseSchema = {

        fields: ["id", "fname", "lname", "nname", "gravatar_lnk", "gravatar_size"]

    };

    // Instantiate AutoComplete for perms

    var membersAC = new YAHOO.widget.AutoComplete(divid, cont, memberDS);

    membersAC.useShadow = false;

    membersAC.resultTypeList = false;

    membersAC.animVert = false;

    membersAC.animHoriz = false;

    membersAC.animSpeed = 0.1;

    // Instantiate AutoComplete for owner

    var ownerAC = new YAHOO.widget.AutoComplete("user", "owner_container", ownerDS);

    ownerAC.useShadow = false;

    ownerAC.resultTypeList = false;

    ownerAC.animVert = false;

    ownerAC.animHoriz = false;

    ownerAC.animSpeed = 0.1;

    membersAC.formatResult = autocompleteFormatter;

    ownerAC.formatResult = autocompleteFormatter;

    if(ownerAC.itemSelectEvent){

    }

    return {

        memberDS: memberDS,

        ownerDS: ownerDS,

        membersAC: membersAC,

        ownerAC: ownerAC

    };

}

var MentionsAutoComplete = function (divid, cont, users_list) {

    var matchUsers = function (sQuery) {

            var org_sQuery = sQuery;

            if(this.mentionQuery == null){

                return []

            }

            sQuery = this.mentionQuery;

            return autocompleteMatchUsers(sQuery, users_list);

    }

    // DataScheme for owner

    var ownerDS = new YAHOO.util.FunctionDataSource(matchUsers);

    ownerDS.responseSchema = {

        fields: ["id", "fname", "lname", "nname", "gravatar_lnk", "gravatar_size"]

    };

    // Instantiate AutoComplete for mentions

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

    ownerAC.useShadow = false;

    ownerAC.resultTypeList = false;

    ownerAC.suppressInputUpdate = true;

    ownerAC.animVert = false;

    ownerAC.animHoriz = false;

    ownerAC.animSpeed = 0.1;

    // Custom formatter to highlight the matching letters

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

        var org_sQuery = sQuery;

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

            sQuery = this.dataSource.mentionQuery;

        }

        return autocompleteFormatter(oResultData, sQuery, sResultMatch);

    }

    if(ownerAC.itemSelectEvent){

        ownerAC.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

        });

    }

    // in this keybuffer we will gather current value of search !

    // since we need to get this just when someone does `@` then we do the

    // search

    ownerAC.dataSource.chunks = [];

    ownerAC.dataSource.mentionQuery = null;

    ownerAC.get_mention = function(msg, max_pos) {

        var org = msg;

        // Must match utils2.py MENTIONS_REGEX.

        // Only matching on string up to cursor, so it must end with $

        var re = new RegExp('(?:^|[^a-zA-Z0-9])@([a-zA-Z0-9][-_.a-zA-Z0-9]*[a-zA-Z0-9])$')

        var chunks  = [];

        // cut first chunk until current pos

        var to_max = msg.substr(0, max_pos);

        var at_pos = Math.max(0,to_max.lastIndexOf('@')-1);

        var msg2 = to_max.substr(at_pos);

        chunks.push(org.substr(0,at_pos))// prefix chunk

        chunks.push(msg2)                // search chunk

        chunks.push(org.substr(max_pos)) // postfix chunk

        // clean up msg2 for filtering and regex match

        var msg2 = msg2.lstrip(' ').lstrip('\n');

        if(re.test(msg2)){

            var unam = re.exec(msg2)[1];

            return [unam, chunks];

        }

        return [null, null];

    };

    var $divid = $('#'+divid);

    $divid.keyup(function(e){

            var currentMessage = $divid.val();

            var currentCaretPosition = $divid[0].selectionStart;

            var unam = ownerAC.get_mention(currentMessage, currentCaretPosition);

            var curr_search = null;

            if(unam[0]){

                curr_search = unam[0];

            }

            ownerAC.dataSource.chunks = unam[1];

            ownerAC.dataSource.mentionQuery = curr_search;

        });

}

var addReviewMember = function(id,fname,lname,nname,gravatar_link,gravatar_size){

    var displayname = "{0} {1}".format(fname, lname);

    var gravatarelm = gravatar(gravatar_link, gravatar_size, "");

    // WARNING: the HTML below is duplicate with

    // kallithea/templates/pullrequests/pullrequest_show.html

    // If you change something here it should be reflected in the template too.

    var element = (

        '     <li id="reviewer_{2}">\n'+

        '       <div class="reviewers_member">\n'+

        '           <div class="reviewer_status tooltip" title="not_reviewed">\n'+

        '             <i class="icon-circle changeset-status-not_reviewed"></i>\n'+

        '           </div>\n'+

        '         <div class="reviewer_gravatar gravatar">{0}</div>\n'+

        '         <div style="float:left;">{1}</div>\n'+

        '         <input type="hidden" value="{2}" name="review_members" />\n'+

        '         <div class="reviewer_member_remove action_button" onclick="removeReviewMember({2})">\n'+

        '             <i class="icon-minus-circled"></i>\n'+

        '         </div> (add not saved)\n'+

        '       </div>\n'+

        '     </li>\n'

        ).format(gravatarelm, displayname, id);

    // check if we don't have this ID already in

    var ids = [];

    $('#review_members').find('li').each(function() {

            ids.push(this.id);

        });

    if(ids.indexOf('reviewer_'+id) == -1){

        //only add if it's not there

        $('#review_members').append(element);

    }

}

var removeReviewMember = function(reviewer_id, repo_name, pull_request_id){

    var $li = $('#reviewer_{0}'.format(reviewer_id));

    $li.find('div div').css("text-decoration", "line-through");

    $li.find('input').attr('name', 'review_members_removed');

    $li.find('.reviewer_member_remove').replaceWith(' (remove not saved)');

}

/* activate auto completion of users as PR reviewers */

var PullRequestAutoComplete = function (divid, cont, users_list) {

    var matchUsers = function (sQuery) {

        return autocompleteMatchUsers(sQuery, users_list);

    };

    // DataScheme for owner

    var ownerDS = new YAHOO.util.FunctionDataSource(matchUsers);

    ownerDS.responseSchema = {

        fields: ["id", "fname", "lname", "nname", "gravatar_lnk", "gravatar_size"]

    };

    // Instantiate AutoComplete for mentions

    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;

    reviewerAC.formatResult = autocompleteFormatter;

    //members cache to catch duplicates

    reviewerAC.dataSource.cache = [];

    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

        });

    }

}

/**

 * Activate .quick_repo_menu

 */

var quick_repo_menu = function(){

    $(".quick_repo_menu").mouseenter(function(e) {

            var $menu = $(e.currentTarget).children().first().children().first();

            if($menu.hasClass('hidden')){

                $menu.removeClass('hidden').addClass('active');

                $(e.currentTarget).removeClass('hidden').addClass('active');

            }

        })

    $(".quick_repo_menu").mouseleave(function(e) {

            var $menu = $(e.currentTarget).children().first().children().first();

            if($menu.hasClass('active')){

                $menu.removeClass('active').addClass('hidden');

                $(e.currentTarget).removeClass('active').addClass('hidden');

            }

        })

};

/**

 * TABLE SORTING

 */

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

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

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

    return YAHOO.util.Sort.compare(a_, b_, desc);

};

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

    // data is like: <span class="tooltip" date="2014-06-04 18:18:55.325474" title="Wed, 04 Jun 2014 18:18:55">1 day and 23 hours ago</span>

    var a_ = $(a.getData(field)).attr('date');

    var b_ = $(b.getData(field)).attr('date');

    return YAHOO.util.Sort.compare(a_, b_, desc);

};

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

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

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

    return YAHOO.util.Sort.compare(a_, b_, desc);

};

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

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

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

    return YAHOO.util.Sort.compare(a_, b_, desc);

};

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

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

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

    return YAHOO.util.Sort.compare(a_, b_, desc);

};

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

    var $last_node = $('.last_new_member').last(); // empty tr between last and add

    var next_id = $('.new_members').length;

    $last_node.before($('<tr class="new_members">').append(_html.format(next_id)));

    _MembersAutoComplete("perm_new_member_name_"+next_id,

            "perm_container_"+next_id, users_list, groups_list);

}

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

    var success = function (o) {

            $('#' + field_id).remove();

        };

    var failure = function (o) {

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

        };

    var query_params = {

        '_method': 'delete'

    }

    // put extra data into POST

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

        for(var 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';

    }

    ajaxPOST(url, query_params, success, failure);

};

/* Multi selectors */

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

    var $availableselect = $('#' + available_id);

    var $selectedselect = $('#' + selected_id);

    //fill available only with those not in selected

    var $selectedoptions = $selectedselect.children('option');

    $availableselect.children('option').filter(function(i, e){

            for(var j = 0, node; node = $selectedoptions[j]; j++){

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

                    return true;

                }

            }

            return false;

        }).remove();

    $('#add_element').click(function(e){

            $selectedselect.append($availableselect.children('option:selected'));

        });

    $('#remove_element').click(function(e){

            $availableselect.append($selectedselect.children('option:selected'));

        });

    $('#'+form_id).submit(function(){

            $selectedselect.children('option').each(function(i, e){

                e.selected = 'selected';

            });

        });

}

// custom paginator

var YUI_paginator = function(links_per_page, containers){

    (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');

                this.span     = document.createElement('span');

                $(this.span).hide();

                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;

                YUE.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);