when chatting I get locked out

Binary package hint: firefox-3.0

when chatting trough this page

http://chat.forum.dk/

I get locked out every 5 min. - Therefor I need to use Internet Explorer (which I really don't want to)

Can you help?

ProblemType: Bug
Architecture: i386
Date: Wed Mar 4 08:54:46 2009
DistroRelease: Ubuntu 8.04
NonfreeKernelModules: fglrx
Package: firefox-3.0 3.0.6+nobinonly-0ubuntu0.8.04.1
PackageArchitecture: i386
ProcEnviron:
 PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
 LANG=da_DK.UTF-8
 SHELL=/bin/bash
SourcePackage: firefox-3.0
Uname: Linux 2.6.24-23-generic i686