Not certain if this is a bug in the browser or a problem with united.com's javascript, but the following url doesn't display correctly:

http://www.itn.net/cgi/flstat?stamp=NEWCOOKY%2Aitn%2Ford%3DNEWREC%2Citn%2Fair%2Funited&carrier=UA&mon_abbr=Nov&date=4&flight_no=285&jsDate=11%2F04%2F2001

(from www.united.com -> flight status)