function ping_stats(id)
{
	var url = 'http://www.giroptic.com/client/ping_stats.php?id=' + id +'&referal=' + document.referrer;

	var xhrRec = xhrRequest('text');
	xhrRec.open('GET', url, true);

	xhrRec.onreadystatechange = function() 
	{
		if (xhrRec.readyState == 4) 
		{
			xhrRec = null;
		}
	}

	xhrRec.send(null);

	setTimeout('ping_stats('+id+')', 4000);
}