עזרה עם xml ו setInterval

[Skfir]

function loadXMLDoc(dname)
{
if (window.XMLHttpRequest)
  {
  xhttp=new XMLHttpRequest();
  }
else
  {
  xhttp=new ActiveXObject("Microsoft.XMLHTTP");
  }
xhttp.open("GET",dname,false);
xhttp.send();
setTimeout("loadXMLDoc(dname)", 5);
return xhttp.responseXML;
}

לא עובד