Comment 33 for bug 186186

I can reproduce this bug with both provided link.
I have:
dpkg -l | grep firefox
ii firefox 3.0~b3+nobinonly-0ubuntu1 meta package for the popular mozilla web browser
ii firefox-3.0 3.0~b3+nobinonly-0ubuntu1 lightweight web browser based on Mozilla
ii firefox-3.0-gnome-support 3.0~b3+nobinonly-0ubuntu1 Support for Gnome in Mozilla Firefox

dpkg -l | grep fglrx
ii fglrx-control 1:8-01+2.6.24.8-7.19 Control panel for the ATI graphics accelerators
ii xorg-driver-fglrx 1:7.1.0-8-01+2.6.24.8-7.19 Video driver for ATI graphics accelerators
ii xorg-driver-fglrx-dev 1:7.1.0-8-01+2.6.24.8-7.19 Video driver for ATI graphics accelerators (devel files)

dpkg -l | grep xulrunner
ii xulrunner-1.9 1.9~b3+nobinonly-0ubuntu2 XUL + XPCOM application runner
ii xulrunner-1.9-gnome-support 1.9~b3+nobinonly-0ubuntu2 Support for Gnome in xulrunner-1.9 applications