function clicktrack(data) {
	if (!data || typeof data != object) {
		data = {} ;
	}

	data.url = window.location.href ;
	data.referer = document.referrer ;

	var query = '' ;
	for (k in data) {
		query += '&'+k+'='+encodeURIComponent(data[k]) ;
	}

	var img = new Image() ;
	img.src = '/clicktrack/clicktrack.php?'+query ;
	//alert(img.src) ;
}