var xmlhttp;
        
        var returnfunction;       
        
  
        function loadurl(url)
        {        
        xmlhttp=null;
        if (window.XMLHttpRequest)
          {// code for all new browsers
          xmlhttp=new XMLHttpRequest();
          }
        else if (window.ActiveXObject)
          {// code for IE5 and IE6
          xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
          }
        if (xmlhttp!=null)
          {
          xmlhttp.onreadystatechange=state_Change;
          xmlhttp.open("GET",url,true);
          xmlhttp.send(null);
          }
        else
          {
          alert("Your browser does not support XMLHTTP.");
          }
        }

        function state_Change()
        {    
            if (xmlhttp.readyState==4)
              {// 4 = "loaded"
              if (xmlhttp.status==200)
                {// 200 = OK
                    returnfunction(xmlhttp.responseText);
                }
              }
        }