>>>>Here's something new. I just now clicked the 'back' button, and everything reappeared - the dashboard and all the proper information beside the icons across the top (new messages etc).
>>>
>>>Can you log in again and let me know? I have adjusted it.
>>
>>I see the sidebars in IE7, but not in Opera.
>>
>>Update: A refresh did not make the sidebars appear, but logging in to UT a second time made the reappear.
>
>Here, in Firefox 2.0.0.14, I cannot see the sidebar at all.
>(Second Login in a separate tab does not work either.)
>
>
>Regards
>-Stefan

For me also,
I see Dashboard area but no buttons in it.
When I open Error Console clear all and reload only DashBoard frame there ara lot of errors there:

Like

Warning: Unknown property 'filter'. Declaration dropped.
Source File: http://www.levelextreme.com/StyleSheet/0194557.css
Line: 532

Warning: Expected ':' but found ';'. Declaration dropped.
Source File: http://www.levelextreme.com/StyleSheet/0194557.css
Line: 786

Warning: Expected ':' but found ';'. Declaration dropped.
Source File: http://www.levelextreme.com/StyleSheet/0194557.css
Line: 811

etc.