function launchCenter(url, name, height, width) {
		var str = "height=" + height + ",innerHeight=" + height;
		str += ",width=" + width + ",innerWidth=" + width;
		//if (window.screen) {
			var ah = screen.availHeight - 30;
			var aw = screen.availWidth - 10;

			var xc = (aw - width) / 2;
			var yc = (ah - height) / 2;

			str += ",left=" + xc + ",screenX=" + xc;
			str += ",top=" + yc + ",screenY=" + yc;
			str += ",resizable=no,scrollbars=no,toolbar=no,location=no,directories=no,status=no,menubar=no";
		//}
		window.open(url, name, str);
	}