Hiya, been meaning to tell you about this for ages - this happens both at work on ie and at home using firefox. When I click on Profile on the right, the drop-down options appear on the left, so obviously when I leave Profile to go to them, they disappear. I have got round this by shrinking the window a bit so Profile is no longer on the right (it wraps around to the left) in which case the drop-down stuffs come out where they should be.
Xx Em