I am working on launching a website and it works great in IE but I dont know why it is screwed up in Mozilla/safari . I am xhtml 4.01 strict and css validated. The website is http://www.thetachizk.org/ and it is php driven by a mysql database.

Please help me figure this out.

Add the line I put in bold to your code. Any time you have floats, you have to clear them.

<div class="nav"><a href="index.php">Login</a></div></div>
  <div style="clear:  both;"></div>
  <table class="main"><tr><td>

Yes that worked. Thankyou!

There is no XHTML 4.01 Strict.. I suspect you meant HTML 4.01 Strict

Just don't want anyone confused looking for a DTD that doesn't exist.