This website has been planned and built to be accessible for the widest possible audience, irrespective of ability and to conform with levels 1 and 2 of the Web Accessibility Initiative of the World Wide Web Consortium.

The look and feel of this website can be managed through the settings in your browser. You can choose to disable our presentation, and select a style of your own (using stylesheets). To find out more about how to do this, refer to the help for your browser.

The following information provides further help using this website.

If you wish to make your text size larger or smaller you can change this using your browser.

Basic information for changing text size

Internet Explorer

  • Select View in the menu bar
  • Select Text Size
  • Choose the required size


  • Select View in the menu bar
  • Select text size
  • Click increase or decrease

Site Map

Use our site map for a direct route through to content sections.

PDF reader download

Documents published on this website may be delivered in Adobe Acrobat's Portable Document Format (PDF)

The free Adobe Acrobat Reader allows you to view, navigate, and print PDF (Portable Document Format) files across all major computing platforms, this can be downloaded from the adobe website.

Alternatives for viewing Adobe documents

Most screen reader software now supports Adobe Acrobat Reader however if your screen reader software does not, there is support provided at the Adobe site. Adobe provide a free online tool which converts the content of PDF files to a format which can be understood by most screen reader applications.

The URL of the document can be submitted either via email or web form, and the content is returned, converted either to HTML (i.e. standard web page format) or to plain text. Alternatively, the document the user wishes to read can be emailed as an attachment.

For more information, and full details of how to use this tool, visit:


Many of the websites we link to are built using Flash. To view them you will need Flash Player and Flash Player plug ins. To download the latest version visit

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