[TYPO3] Firefox 3.0 and Typo3 BE

[Ronald Wiplinger]

I have upgraded my Ubuntu desktop to 8.04 and that upgrades also Firefox
to 3.0.

I cannot find the setting (or is it a bug?) for this problem.
When I select anything at the first menu (e.g. page or list), the frame
left was used to display the content.
Now the first menu disappears and only the right frame will be displayed.

What do I need to change?

bye

R.