Page is a not externally linkable
-- Firefox Browser Usage and Support
---- Newest firefox screen width
xcandyman - 9:33 am on Oct 21, 2004 (gmt 0)Thread source:: http://www.webmasterworld.com/firefox_browser/336.htm
The newer version may conflict with your code. If you've checked what Blobfisk said have a look at your code.
Brought to you by WebmasterWorld: http://www.webmasterworld.com