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Consideration for all users has been shown in the development of this website. We aim to make this website accessible to everyone. If you experience any problems or have any feedback about it please e-mail the website editor.

Design considerations

Screen readers

If you are accessing the site via a screen reader, you have the option to skip the navigation to main content at the start of each page.

Text size

All text is assigned a relative font size allowing you to control the text size. If you wish to increase the text size:

Internet Explorer: View > Text size Netscape: Edit > Preferences > Appearance > Fonts Opera: File > Preferences > Fonts > Minimum font size (pixels) You can also scroll with the wheel of your mouse whilst holding down the control key.


All informational images contain an ALT tag and decorative images have a null ALT attribute.


Links to pages within the website and links to external websites will open in the same window, unless indicated otherwise. For files such as PDF documents, these will open in a new window.


This site has been designed and tested to be compatible with the following browsers:

  • Internet Explorer 5.0, 5.5, 6.0, 7.0
  • Netscape 7.0, 7.2
  • Mozilla Firefox 1.7
  • Safari 1.0, 2.0

Access keys

Access keys have been included throughout this website to provide you with keyboard shortcuts for key links: 0 - Accessibility, 1 - Home, 3 - Sitemap, 4 - Search, 5 - Contact us