function GetMenu(act){
      $.ajax({
          url:"__APP__/Index/GetAcessList",
          dataType:"json",
          type:"POST",
          data:"act="+act,
          success:function(json){
              var html="";
              for(var i=0;i<json.rows.length;i++){
                  html+="<div class='content'>";
                  html+="<div class='foldingmenucontent'>";
                  html+="<div class='foldingmenu menu2'><h2><a href='#'>"+json.rows[i].title+"</a></h2></div>";
                  html+="<div class='foldingnavcontent conten'>";
                  for(var j=0;j<json.rows[i].items.length;j++){
                      var url=json.rows[i].items[j].durl;
                      alert(url);
                      html+='<li><a href="#" onclick="addTab('+json.rows[i].items[j].title+','+url+')">'+json.rows[i].items[j].title+'</a></li>';
                  }
                  html+="</div>";
                  html+="</div>";
                  html+="</div>"; 
              }
              
              $(".mainleft").html(html);
          },
          error:function(data){
              alert(data.responseText);
          }
      });
  }
  
function addTab(title, url) {
    if (!$('#MainTab').tabs('exists', title)) {
        $('#MainTab').tabs('add', {
            id: url,
            iconCls:'icon-edit',
            title: title,
            closable: true,
            content: createFrame(url),
            url: url,
            fit: true
        });
    } else {
        $('#MainTab').tabs('select', title);
    }
}

function createFrame(url) {
    var DocWidth = $(document).width();
    var DocHight = $(document).height();
    var s = "<iframe name='mainFrame' frameborder='0' scrolling='auto'  src='" + url + "' style='width:" + (DocWidth - 203) + "px;height:" + (DocHight - 109) + "px;'></iframe>";

    return s;
}