>>>Are you using ThemedForm?
>
>Why would anyone use anything other that ThemedForm? everything else looks so drab :-)

Themed forms all look like one, i.e. uni-form. Unthemed can be each in their own colors - so, your choice.

BTW, a possible explanation for the behavior that's subject of this thread may be in the thread starting with message #1386633. Not sure how it helps, except to maybe understand what's going on.