Weird issues with Admin - Themes page

[CiPHeR66]

I have some weird issues with the Themes Management page in admin where the page is something like 2000-3000 pixels wide... and it doesnt matter what template I use.

Running SMF 1.1RC2 in Joomla 1.0.8

[xenovanis]

http://www.simplemachines.org/community/index.php?topic=25718.msg448960#msg448960