and markup validation
This website has been tested on a wide variety of browsers on PCs running Microsoft Windows and Apple Macintoshes running OSX. While results may be unpredicatable on some older platforms, the main content of the page will be visible on any Standards-compliant browser.
For best results, we recommend Mozilla Firefox - to download the latest version, click on the icon below (this will open the relevant page of the Mozilla website in a new window).
However, if you prefer to use Internet Explorer, please note that we no longer support version 6 - you can upgrade to version 8 by clicking the icon below (this will open the relevant page of the Microsoft website in a new window).
web standards
This site conforms to level Double-A of the W3C Web Content Accessibility Guidelines 1.0, including all Priority 1 and Priority 2 checkpoints defined in the Guidelines, and it also meets the W3C markup validation requirements for both HTML5 and Cascading Style Sheets. Select one of the options in the sidebar on the right to find out more (pages will open in a new browser window).
site validation
Validate Accessibility Guidelines »
Validate HTML source code »
Validate Cascading Style Sheet »