var abc = new XMLHttpRequest();
var microtime = Date.now();
var abcbody = "t="+microtime+"&w="+screen.width+"&h="+ screen.height+"&cw="+document.documentElement.clientWidth+"&ch="+document.documentElement.clientHeight;
abc.open("POST", "/ant/8.php", true);
abc.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
abc.send(abcbody);