Google Chrome. That might be the reason because at uni it works everytime and they use Internet Explorer there.
Chewie added 0 Minutes and 36 Seconds later...
I can access them sometimes but I have to continuously run my mouse over it.
Chewie added 7 Minutes and 28 Seconds later...
As far as I can tell, it works only very occasionally in firefox and chrome, but moreso in Firefox than chrome. In opera it works similarly. It does seem that the forums roll over menu works more often than the others.
Internet Explorer it works fine in as far as I can tell.