And the address of the page in question is ?
Without seeing your page it's impossible to say one way or another whether you have to tweak your code and how.
Keep in mind that NetScape will throw a spectacuular fit if you use certain table control code tags.
Table and cell fixed dimensions, border colours and even backgrounds, as well as all kinds of other things get mangled beyond belief by NetScape, so the chances are that your code is not NetScape friendly.
If I only had a pound for every browser issue...
A look at the page in question would help.