function clickCount($act,$sn){
		var url = '../tools/count/clickCount.php?act='+$act+'&sn='+$sn+'&dt='+new Date();
		if (window.ActiveXObject) {
			xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
		}
		else if (window.XMLHttpRequest) {
			xmlHttp = new XMLHttpRequest();
		}
		xmlHttp.open("GET", url);
		xmlHttp.onreadystatechange = function (){
			if (xmlHttp.readyState == 4) {
				if (xmlHttp.status == 200) {
				//do something interesting here
				//alert(xmlHttp.responseText);
				}
			}
		};
		xmlHttp.send(null);
		//alert(xmlHttp.responseText);
}