//src="default.aspx?id=username&name=test"
 _udo=document;
 _uwd=window;
 _ulo=_udo.location;
 url=_ulo.href;
 un=url.split('.');
 ref=document.referrer;
 second=0;

 //alert(url);
 /* var sc=document.createElement('script');
 sc.type='text/javascript';
 sc.id="_js";
 sc.src='count.aspx?url='+url+'&ref='+ref;
 //alert(ref);
 document.getElementsByTagName('head')[0].appendChild(sc); */
 function createXMLHttpRequest() {
 if (window.XMLHttpRequest) {
  return new XMLHttpRequest();
 } else if (window.ActiveXObject) {
  return new ActiveXObject("Microsoft.XMLHttp");
 }
}
function startTime() 
{ 
second=second+1;
t=setTimeout('startTime()',100) ;
} 

function GetResidentTime() {
 var xmlHttp = createXMLHttpRequest();
 xmlHttp.open("POST", 'count.aspx?url='+url+"&time="+second/10+'&ref='+ref, false);
 xmlHttp.send(null); 
}
window.onload=startTime;
window.onbeforeunload = GetResidentTime;