var start=new Date();
start=Date.parse(start)/1000;
var counts = (20 * 60); // Session Time Out = 24 minutes, so refresh after 20 minutes to prevent session time-out
function CountDown()
{
	var now=new Date();
	now=Date.parse(now)/1000;
	var x=parseInt(counts-(now-start),10);
	if(x>0)
	{
		timerID=setTimeout("CountDown()", 100)
	}
	else
	{
		history.go();
	}
}