jQuery UI Multicolumn Autocomplete

Trying to make the autocomplete plugin work with multiple columns.

HTML

<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.19/themes/cupertino/jquery-ui.css">








<div style="margin:10px 10px;padding:8px;width:400px;" class="">
    
    <SPAN id=lblStrategy_data>[{"ID":"2605527","Name":"Estratégia 1 (V1)","CriticalLevel":"Warm","Availability":"Básica","Description":"Descrição da primeira estratégia. (V1)"},{"ID":"2615661","Name":"Estratégia para a TaskForce","CriticalLevel":"Warm","Availability":"Contínua","Description":"task force strategy"},{"ID":"2616066","Name":"Estrategia teste","CriticalLevel":"Cold","Availability":"Básica","Description":"SAFD"},{"ID":"2616077","Name":"Estratégia Hot Stand By","CriticalLevel":"Hot Stand By","Availability":"Alta","Description":"Processos Hot Stand By"},{"ID":"2618452","Name":"21","CriticalLevel":"Cold","Availability":"Básica","Description":"1231"},{"ID":"2618889","Name":"Estratégia 1210 v2","CriticalLevel":"Hot","Availability":"Contínua","Description":"Desc"},{"ID":"2619407","Name":"dasdasd","CriticalLevel":"Hot Stand By","Availability":"Contínua","Description":"asdasda"},{"ID":"2619461","Name":"sadasdada","CriticalLevel":"Hot","Availability":"Contínua","Description":"asdasd"}]</SPAN>
    
    <INPUT id=txtStrategyID value=0 type=text name=txtStrategyID>
    
    
    <!-- This is the input control that gets turned into the jquery ui widget -->
    <input id="searchStrategy" type="text" style="padding:2px;width:300px;"/>      
    <div style="margin:20px 0 0 0;">
        <span id="results" style="color:#68a;"></span>
    </div>    
</div>

CSS

.ui-autocomplete-loading { background: white url('http://jqueryui.com/demos/autocomplete/images/ui-anim_basic_16x16.gif') right center no-repeat; }

JavaScript

/*
 * jQuery UI Multicolumn Autocomplete Widget Plugin 1.0
 * Copyright (c) 2012 Mark Harmon
 *
 * Depends:
 *   - jQuery UI Autocomplete widget
 *
 * Dual licensed under the MIT and GPL licenses:
 *   http://www.opensource.org/licenses/mit-license.php
 *   http://www.gnu.org/licenses/gpl.html
*/
$.widget('custom.mcautocomplete', $.ui.autocomplete, {
    _renderMenu: function (ul, items) {
        var self = this,
            thead;

        if (this.options.showHeader) {
            table = $('<div class="ui-widget-header" style="width:100% height:200px"></div>');
            $.each(this.options.columns, function (index, item) {
                table.append('<span style="padding:0 4px;float:left;width:' + item.width + ';">' + item.name + '</span>');
            });
            table.append('<div style="clear: both;"></div>');
            ul.append(table);
        }
        $.each(items, function (index, item) {
            self._renderItem(ul, item);
        });
    },
    _renderItem: function (ul, item) {
        var t = '',
            result = '';

        $.each(this.options.columns, function (index, column) {
            t += '<span style="padding:0 4px;float:left;width:' + column.width + ';">' + item[column.valueField ? column.valueField : index] + '</span>'
        });

        result = $('<li></li>').data('item.autocomplete', item).append('<a class="mcacAnchor">' + t + '<div style="clear: both;"></div></a>').appendTo(ul);
        return result;
    }
});// Sets up the multicolumn autocomplete widget.
        
        
        var autoCompleateDT = $("#lblStrategy_data").text() ;

                                // Sets up the multicolumn autocomplete widget.
                    $("#searchStrategy").mcautocomplete({
                        // These next two options are what this plugin adds to the autocomplete widget.
                        showHeader: true,
                        columns: [{
                            name: 'Nome',
                  ...