function ChangePage(id)
    {
        // save the page number clicked to the hidden field
        document.aspnetForm.ctl00$contPage$PageNumber.value = id;
        // call the __doPostBack function to post back 
        // the form and execute the PageClick event
        __doPostBack('ctl00$contPage$PageClick','');
    }
    
    function toggle(w)
    {
      var v = document.getElementById(w);
      var l = "lbl"+w;
      if(v.style.display == 'block')
      {
       v.style.display = 'none';
       document.getElementById(l).innerText="+";
       document.getElementById(l).textContent="+";
      }
      else
      {
       v.style.display = 'block';
       
       document.getElementById(l).innerText=" -";
       document.getElementById(l).textContent=" -";
      }
    }