so its not your problem its theirs
but- for the future - upgrade to IE6 not IE5
and do you have XP? service pack 2?
i've had some difficulties with java sites, can't figure it out- 2 machines, i thought identical, side by side on my desk- one gets CNN video and the other doesn't- and i have a 5-person IT department who can't figure it out!
did you try lighting a black candle in honor of the refresh gods??
good luck!