What are the current browsers supported with CelCat?  IE 7& 8 work. Safari 3 & 4 work. Firefox on all platforms gives a blank window no page title showing. Camino gives a blank window but with a page title.

Is there a list of supported browsers in which OS?

Yes, the details are in the following location

http://www.celcat.com/support/requirements.html

We will be supporting more browsers in the next version of CELCAT Timetabler web. Can you please advise which version you are using? If you are using 6.4.75.0, have you applied the Web Server service pack which can be found here
Currently, we only support IE and Firefox.

Regards

CELCAT Technical