"Nothing" as in a blank page with just your background?
If so, you're missing some html tags in your html.pl file. Most probably it is missing tags to close off a table cell, row or the table itself --
</td>
</tr>
</table> These can be very difficult to find, but it often helps if you look at the source code for the page. Sometimes Netscape "flashes" incorrect .html coding.
Primarily this is just a lot of tedious work to find where the error is.
JPD
http://www.jpdeni.com/dbman/