Accessibility help

While building this website, we made every effort to develop the site according to the accessibility standards recommended by the World Wide Web Consortium (W3C). We have endeavoured to support as wide a range of browsers as possible and allow users of all abilities (including those with a visual impairment or physical disability) to access this website. One of these standards recommended by the W3C is for the use of Cascading Style Sheets (CSS3). Some browsers, particularly older versions, either do not or only partially support, this standard. These browsers might not display the text and graphics properly.
We would recommend upgrading your browser as far as your computer allows. Later versions of browsers often have higher levels of security and better functionality. See below for a list of available browsers and links to their respective download sites.

As well as using basic web code (HTML and CSS), this site also requires javascript to be turned on. Additionally, this site offers PDF versions of some pages. If you are having problems accessing this content, we recommend upgrading to the latest versions of a PDF viewer such as Adobe Reader.

Helping to make our site accessible

We welcome your suggestions and comments. Send us your feedback on our site accessibility.

Useful links