function popUp(URL, ww, hh, windowName) {	
	day = new Date();
	id = day.getTime();
	if (windowName != null) {
		id = windowName;
	}
	eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=" +ww+ ",height=" +hh+ "');");
}