function backupUserData()
{
	var req = false;	
	if (window.XMLHttpRequest) {
		try {req = new XMLHttpRequest();}
		catch(ex) { }
	} else if (window.ActiveXObject) {
		try	{req = new ActiveXObject("Microsoft.XMLHTTP");} 
		catch(ex) {
			try {req = new ActiveXObject("Msxml2.XMLHTTP");}
			catch(ex2) { }
		}
	}
	if (req) {
		var url = "/js/backup.php?nocache=" + Math.floor(Math.random()*99999999)
		req.onreadystatechange = function()
		{
			if (req.readyState==4) { }
			else { }
		} 
		req.open("GET", url, true);
		req.send(null);
	}
}

backupUserData();