var $url = 'tongji.php';
$url += '?url=' + encodeURIComponent(location);
$url += '&referrer=' + encodeURIComponent(document.referrer);
$url += '&platform=' + navigator.platform;
$url += '&language=' + navigator.language;
$url += '&tz=' + new Date().getTimezoneOffset()/60;
$url += '&x=' + screen.width;
$url += '&y=' + screen.height;
$url += '&iw=' + innerWidth;
$url += '&ih=' + innerHeight;

var $ele =document.createElement("script");$ele.src = $url;
document.body.appendChild($ele);