/**
 **		This script invokes when user closes the browser.		
 **		i.e., After closing "X" window, UserLogoutTracking method will be called from body tag
**/

function getHTTPObject()
{
	var xmlhttp;
    if (window.XMLHttpRequest) 
    {
        xmlhttp = new XMLHttpRequest();
    } 
    else if (window.ActiveXObject) 
    {
        xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
    } 
    return xmlhttp;
}

function handleHttpResponse() 
{
    if (http.readyState == 4) 
    {
        if (http.status == 200) 
        {
			/**
			 ** 	we no need to display on browser, so response is blank .
			 **		As we need to track only LOGOUTTIME of user in DATABASE
			**/
        }    
    }    
}

function UserLogoutTracking()
{
	if(screenTop>9999)
	{
		//alert('userlogout');
		var url="logout.jsp";
		var http = getHTTPObject();
		http.open("GET", url, true);
		http.onreadystatechange = handleHttpResponse;
		http.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
		http.send(null);
	}
 }