When I decided to bring the SIGArch web page into the laste 90s, I made some decisions that some could deem as questionable.
Frames are bad.
Tables, however, are good. To make a new page, copy an existing page in that category and add a sub-topic button to ever page. Use Front Page. Sure it's Microsoft, but if used right, it makes life incredibly easy. Below is a link to a photoshop file with all the artwork for the page.