function doHTTPGet(vurl, rFun)
{
	var returnData = null;
	var retText;
	if (window.XMLHttpRequest)
	{
		httpObj=new XMLHttpRequest()
	}
	else if (window.ActiveXObject)
	{
		httpObj=new ActiveXObject("Microsoft.XMLHTTP")
	}

	httpObj.onreadystatechange= function()
		{
			if (httpObj.readyState==4)
			{
			     if ((httpObj.status==401) || (httpObj.status==403))
				  {
				  	retText='Error';
					eval(rFun);
			//         alert("Your session has timed out.");
			        }
				else if (httpObj.status==200)
				{	
					retText=httpObj.responseText;
					eval(rFun);
 				//	 return httpObj.responseText;		      
			     }			     
				else
				{
					retText='Error';
					eval(rFun);
				//	alert("Problem retrieving XML data:" + httpObj.statusText)
				}
			}
		}
	httpObj.open("GET",vurl+'&'+String((new Date()).getTime()).replace(/\D/gi,''),true)
	httpObj.send(null)
}