The menus are cool but for practical use this kind of reference information is better presented using pre-ajax techniques such as a single page of html (or possibly a frameset) with the appropriate hyperlinking. The way it is now you can't use the browser's text search.
You should also add a NOSCRIPT tag with the appropriate message. All I got when I visited your site was a big empty window since I keep JavaScript disabled by default.
You should also add a NOSCRIPT tag with the appropriate message. All I got when I visited your site was a big empty window since I keep JavaScript disabled by default.