FIREFOX - Page Down does not navigate site bars properly

[sirald66]

Binary package hint: firefox-3.5

DELL LATITUDE D600
UBUNTU 9.10 +proposed
FIREFOX 3.6.13

[The summary title may need to be changed for a more accurate description]

EXPECTED: When navigating a site with a site provided 'info/action bar' at the top/bottom, hitting the Page Up/Down keys or clicking the browser's navigation up/down scroll bar will move you exactly one "visible" full page.

ACTUAL: Hitting the Page Up/Down keys or clicking the browser's navigation up/down scroll bar moves a "standard" full page -- as if the site provided 'info/action bar' does not exist. The result is that the navigation does not account for the site provided 'info/action bar' and moves page text "behind" it. I'm assuming this may be a problem related to CSS/Flash layout. The below URL (or any news/article site) is an example.

http://www.capitolweekly.net/article.php?_c=zepxjzbnt1l474&xid=zepwqxtk3hh12p&done=.zepxjzbnt27474

ProblemType: Bug
Architecture: i386
CheckboxSubmission: a4c8a5401b1e450828d3582bd9d33b9e
CheckboxSystem: efd05939b08abfe86caa44c3820f8e56
Date: Sun Jan 9 19:23:38 2011
DistroRelease: Ubuntu 9.10
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
Package: firefox 3.6.13+build3+nobinonly-0ubuntu0.9.10.1
ProcEnviron:
 PATH=(custom, user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-22.70-generic
SourcePackage: firefox-3.5
Uname: Linux 2.6.31-22-generic i686