function centerSite() {
		var site = document.getElementById("site");
		var x = (document.documentElement.clientWidth / 2) - (site.offsetWidth / 2);
		//var y = (document.documentElement.clientHeight / 2) - (site.offsetHeight / 2); 
		site.style.left = x + 'px';
		//site.style.top = y + 'px';
	}