>Hi everybody,
>
>Ok, no brain power left :(
>
>From the page Deactivate there is no way to find out, which page was clicked.
>
>Can somebody prove me otherwise?
>
>Thanks in advance.

You must have some code somewhere else that's causing your problem. I don't see any activity from page activate/deactivate or UIEnable on controls when the same page tab is clicked as the active page.