function getParam(q)
{
	var r = new RegExp(q+'=([^&#]*)').exec(decodeURI(window.location.search.substring(1)));
	return (!r) ? '' : r[1] || '';
}

(function() {
	var h = document.getElementsByTagName('head')[0];
	var s = document.createElement('script');
	s.type = 'text/javascript';
	s.src = '/tracking/track';//?_s='+getParam('_s');
	h.appendChild(s);
})();