function popup(url, width, height)
{
	var day = new Date();
	var id = day.getTime();
	eval("page" + id + " = window.open(url, '" + id + "', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=1,width='+width+',height='+height+'');");
	
	return "page" + id;
}