This Site :

Browser Support

While every effort is made to provide a full browser support site, you may experience some limitations. This site is tested using a variety of browsers as detailed below:

• Windows Internet Explorer v6.0
• Mozilla v1.7
• Mozilla Firefox v1.0
• Camino on Macintosh OSX

Javascript

Javascript is used to provide a more dynamic web-site, with the intention that it is simpler and easier to use.
If you have received a message on the index page (home) saying that your javascript is disabled - you can activate it using your browsers Internet Secuirty options, it could be a simple as adding this site to your list of trusted sites (for as long as you want to, you can remove it at any time), or you may need to enable "Scripting / Active Scripting" (Internet Explorer).