function creat_Object()
{ 
	var xmlhttp;
	if (!xmlhttp && typeof XMLHttpRequest != 'undefined') 
	{
		try 
		{
			xmlhttp = new XMLHttpRequest();
		} 
		catch (e) 
		{
			xmlhttp = false;
		}
	}
	else
	{
		xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
	}
	return xmlhttp;
}
var request = creat_Object();
var request1 = creat_Object();
function ajax_call_session_set(varcustId,pagepath,osCsid)
{	
	//alert(varcustId + "\n" + pagepath + "sessionsetlogin.php" + "\n" + osCsid)
	var d = new Date();
	var curr_msec = d.getMilliseconds();
	request.open("GET", pagepath + "sessionsetlogin.php?varcustId=" + varcustId + "&osCsid=" + osCsid + "&msec=" + curr_msec); 
	//request.onreadystatechange = serverInteraction;
	request.send('');
}
function ajax_call_session_out(pagepath,osCsid)
{	
	//alert(pagepath + "\n LogOut")
	var d = new Date();
	var curr_msec = d.getMilliseconds();
	request1.open("GET", pagepath + "session_out.php?osCsid=" + osCsid + "&msec=" + curr_msec); 
	//request.onreadystatechange = serverInteraction;
	request1.send('');
}