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You can use the links above to change the colour scheme of the site to one which more suits your needs. You can also change the default text size by clicking on the links at the top right. We have developed this website to serve the largest possible audience by addressing the needs of people with differing abilities and systems. The website conforms to the Web Accessibility Initiative of the World Wide Web Consortium, levels 1 and 2 and most of level 3 (W3C Web Content Accessibility).

Useful sites:

Website accessibility issues are constantly evolving as the Internet evolves. Accessibility is a matter of balance - trying to ensure that all users have a good experience while ensuring that no-one is excluded. We hope we have achieved this balance. However please feel free to contact us if you wish to comment on any aspect of the site's accessibility.

Valid XHTML 1.0 Transitional Valid CSS! W3C Double A Accessibility conformance