function setWinSize() {
		var winH, winW;
		if (parseInt(navigator.appVersion)>3) {
			if (navigator.appName=="Netscape") {
				winW = window.innerWidth;
				winH = window.innerHeight;
			}
		if (navigator.appName.indexOf("Microsoft")!=-1) {
			winW = document.body.offsetWidth;
			winH = document.body.offsetHeight;
		}
		winW=parseInt(winW/2 - 173);
		document.getElementById('dropbox').style.left=winW;
	}}