line 347: mozilla adds a line feed at the end of h1 tags. You can replace it with this:
<span style="font-size: 48pt; font-weight: bold; font-family: times; color:rgb(0,0,102);"> Basic Roleplaying Forum</span></td></tr>
line 352: remove <p> tag at beginning of line
line 355: remove </p> tag at end of line
Solves problem for firefox, looks ok with explorer.