Hi Janne!
Thanks for your most informative reply.
It seems you are right about the bugs in IE, because the dialog window does pop up, and for a second I can see the bottons in the lowest part of the pop up, then IE roles (i.e decrease the window hight) the window up, so that the bottons can't be accessed.
But I after I have tried the same function on my other computer with IE, then there is no problem.
So it could also be a certain security setting that couse it, so if any one has found out which one then they should feel free to post it here.
BR
Jens