so teruk la your coding..
if you're using css and div, remove away all the table lah.
the table code <table> is not today's standard anymore
learn to code in proper way.. it's fun!
anyway.. it's not IE is ok.. it is because ie is s***s.
hehehe...
since ie not using the standard code. Firefox using the standard one.
Btw.. in your case..
you should paste the "layout.css" code too...
then let we 'CSI Miami' it.