var timerID = 0;
			function SetExpireSession(url,time)
			{
				
				timerID = window.setTimeout("sendRequest('" + url + "'," + time + ");",time)			
			}
			function sendRequest(url,time)
			{							
				retrieveURL(url);
				timerID = window.setTimeout("sendRequest('" + url + "'," + time + ");",time)						
			}
			var req;
			var ctrreq;
			function retrieveURL(url) 
			{
				
				req = false;				
				if(window.XMLHttpRequest)
				{
					try {
						req = new XMLHttpRequest();
					} catch(e) {
						req = false;
					}					
				}else if(window.ActiveXObject)
				{
       				try {
						req = new ActiveXObject("Msxml2.XMLHTTP");
					}catch(e)
      				{
        				try {
	         				req = new ActiveXObject("Microsoft.XMLHTTP");
		   				}catch(e)
		   				{
		  					req = false;
        				}
					}
				}
				if(req)
				{
				try
				{				
					req.onreadystatechange = processStateChange;					
					req.open("Post", url, true);					
					req.send("");
				}
				catch(e)
				{alert(e)}
				}				
			}
			function processStateChange() 
			{
				if (req.readyState == 1)	
				{	
									
				}	
				else
				{	
					if (req.readyState == 4)
					{ 
						if (req.status == 200)
						{							
							var test12=req.responseText;
																																								
						}else
						{
							alert("Problem: " + req.statusText);
						}
					}
				}
			}