function openWindow(address, name, width, height) {
	         window.name = "main";
	         var features = "width=" + width + ",height=" + height + ",";
	         features += "resizable=yes,scrollbars=yes,status=yes,";
	         features += "menubar=no,toolbar=no,location=no,directories=no";
	         var newWindow = window.open(address, name, features);
	         newWindow.focus();
	}