Publishing at 100%

I wanted to make my SWF stretch to the size of the users screen.

I published a SWF at 100% and embedded it into a HTML page, then set the borders to 0. The results are as follows:

Internet Explorer = works fine & always fits in the window with no gaps
Netscape = The SWF is pushed to the top of the page with the bottom cut off
Monzilla = Same as Netscape
Monzilla FireFox = Same as Netscape

I installed the latest Flash Player 7 plug-in but the results are the same.
Anyone have any solutions / suggestions.