>>Today whole day I have a problem with UT and only with FireFox. No buttons are visible in the toolbar area (only SetUp one).
>>http://www.microcomplex.com/temp/ut.png
>>I cleared cache w/o luck.
>>I saw a thread started today that others also have problems with FireFox and UT.
>
>The same problem applies to Opera.

Hmm,
I saw the source of the page for this frame. When I save it as html and open it with FireFox here what I see:

http://www.microcomplex.com/temp/ut2.png

Maybe that is the problem. They are not in one line?
Not sure. Then why I see the toolbar with IE?