/*搜索*/
  function search()
    {
       var obj=document.getElementById("serch_txt");
       if(obj.value.replace(/\s+/,'').length==0)
       {
          alert('搜索关键字不能为空！');
          obj.value='';
          obj.focus();
          return false;
       }
       else
       {
          window.open("Search.aspx?title="+escape(obj.value));
       }
    } 
    
    function $(obj)
    {
      return document.getElementById(obj);
    }
    
    function Tab(obj1,obj2,obj3,obj4)
    {
       $('rep_1').style.display='none';
       obj1.className='ch';
       $(obj2).className='hs';       
       $('rep_3').getElementsByTagName("td")[0].innerHTML=$(obj3).getElementsByTagName("td")[0].innerHTML;
       $('rep_3').style.display='block';
       $('link_tab').href='Dlist.aspx?Colid='+obj4;
       
    }