How to Build this Menu?

My client wants a menu system like the one on the top left of this site:

http://www.bnim.com/fmi/xsl/index.xsl

Is this just a show/hide layers thing?

Peace,

David C.

My client wants a menu system like the one on the top left of this site:
http://www.bnim.com/fmi/xsl/index.xsl
Is this just a show/hide layers thing?

Architecture web sites, for whatever reason, tend to be really crappy with
flash and bad navigation.

That site isn't too bad, though. It's in accessible (the site requires
javascript) but it's not the worst 'gee-whiz' menu I've seen. I kind of like
it.

They use a number of javascript files for this. Here's the main one:

http://www.bnim.com/newsite/js/bnim.js

-Darrel