W3C, who provide the standards for World Wide Web internet pages have a set of guidelines for accessibility standards. Currently this lays out three standards with "A" being the minimum acceptable and "AAA" being the highest standard

This whole website has been designed to conform to at least the Double A ("AA") Standard of accessibility. If any part of this site does not appear to conform to these guidelines, please contact us to let us know. Details of the problem, and the browser you are using would be helpful.

As part of compliance with these guidelines to maximise accessibility, this site uses XHTML and CSS for widest browser compatibility.

Level Double-A conformance icon, W3C-WAI Web Content Accessibility Guidelines 1.0 Valid XHTML 1.0! Valid CSS!