UK: Registered charity number 1099517
USA: Tax exempt 501(3) (c) status - EIN 20-4711927


Standards compliance

This site is built to the AAA standard of the Web Accessibility Initiative and uses valid XHTML and CSS.

  • Valid XHTML 1.0 Transitional
  • Valid CSS
  • Level Triple-A conformance icon, W3C-WAI Web Content Accessibility Guidelines 1.0

Keyboard shortcuts

The following keyboard shortcuts will help you browse around the site:

SSkip navigation
1Home page
2About us
9Contact us

How to use keyboard shortcuts

Windows: Internet Explorer
Press the ALT key followed by an access key and then press ENTER or RETURN.

Windows: Firefox and Netscape Navigator 7 +
Hold down the ALT + SHIFT keys and press the number of the access key.

Windows: Opera
Press ESC + SHIFT together, release, and then press the desired access key.

Mac: Safari, Firefox etc.
Press the CTRL key followed by an access key.