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This site has been designed to be Accessible for people with any degree of visual or motor impairment and users of screen readers.
Please click on the links to find out about more about the Accessibility of this website:
Access Keys provide a quick way to navigate round the site without using a mouse, and on this site are based on the UK Government Access Keys system.
The keys are used in conjuction with Alt or Ctrl and Enter keys which vary depending on your browser.
1. Hold down
'Alt' key if using Internet Explorer for Windows
'Ctrl' key if using Mozilla/Firefox, or if using Internet Explorer or Safari on a Mac
'Shift' and 'Esc' together if using Opera (note Opera ignores numeric Access Keys)
2. and simultaneously select a key from the list below
0 - Accessibility details
1 - Home
2 - not used
3 - Site Map
4 - not used
5 - not used
6 - not used
8 - Terms and Conditions
9 - not used
3. then press 'Enter' if using Internet Explorer for Windows PC - other browsers go to the page immediately.
These keys have been selected so as not to conflict with those in use by assistive technologies such as JAWS, Supernova and HomePageReader.
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This website uses pop up windows.
If you have a pop up blocker on your browser, please set it to enable pop ups from this website.
Please also allow ActiveX controls and obtain the latest version of Flash, in order to see the animation and videos on the site.
You may also have advert blockers that could disable Pop-Ups and Flash that you need to switch off for this website.
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To alter the size of the text on the web pages, you may use the Text Size option availble on every page.

Simply click on the 'A' to the right of the default size to increase the text size by one or two degrees.
The chosen text size is thereafter indicated by the hyphen on top of the A.
This will remain the chosen default size of text thereafter.
You can increase the size of the text even further using your web browser options.
View - Text Size - Larger/Largest
View – Text Size – Increase

Zoom and 100+ Percentage
View - Text Size - Increase
Apple Key and '+' Key
You may also change the colours using your web browser options.
Click on Tools

Then click on the Accessibility button in the window that pops up.

Then select the 'Ignore colors' option.

Note you could also select the 'Ignore font styles' and 'Ignore font size' options to alter the look and size of the text.

View – Style – User Mode
Tool - Options - then define your preference (this is of limited use)
Not Available
In addition to Accessible graphical pages, the website also provides a Low Graphics option that eliminates most or all imagery from a page. Listeners may also find it easier to hear object-heavy pages (e.g. lots of flash) as the low graphics involves repetitive phrases.
Access the low graphics version of this website using the 'Low Graphics' link shown on the page.
You can return to the graphical view using the High Graphics link.
Alternatively, you may choose to ignore the styles used by the designer using your browser's options.
Tools - Internet Options - General - Accessibility and then select three checkboxes (or supply your own stylesheet).

View - Page Style - No Style

Use Ctrl-G
View - Page Style - No Style
Not possible - all you can do is append your stylesheet and this is an advanced topic
All links to external sites open in a new window and this site is not responsible for the content or accessibility of these referenced sites.
All links which open a new browser window will be indicated by this icon.
If you have any problems accessing the documents published on this website, please contact us and we will supply you with the document in an accessible format.
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For users of JAWS we recommend the following sort order
title|text|alt|href
as the best configuration to set.
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This site uses Portable Document Format (PDF) files.
To view PDF files, you will need to download and install a PDF reader.
The Adobe site offers:
Free Acrobat Reader
Accessibility Conversion Tools
PDF Accessibility Information
There is more information on PDF Accessibility and other issues from the RNIB (Royal National Institute of the Blind) Access Centre Many web browsers have accessibility features, which help you use the web in the way that best suits you. We recommend you select the browser which best suits your needs, and these links give you some helpful guidance whether you want to best configure your web browser or download a more suitable one.
Note that there are many different web browsers available, and many versions of each of them, so it would be impractical for us to list them all here. We have chosen the most popular as a guide that you may find useful.
Internet Explorer help and support
FireFox help and support
Opera help and support
Netscape help and support To configure your operating system to tailor its accessibility features to your needs, you can follow one or more of the links below:
Microsoft publishes detailed information on changing Windows
Apple provides detailed information on configuring the Mac's operating system
Linux users can go to this website for details on configuring Linux
The BBC also provides details on changing your operating system It attained level WAI 'AA' on 26th October 2006, and was evaluated using Bobby 5.00.6.3 and by subsequent manual checking.
This website was also validated as XHTML 1.0 Transitional compliant on 26th October 2006, using the W3C and Web Design Group validators, with CSS2 compliance.
Audio content and navigation for talking browsers and screen readers has been checked by listening to the site using JAWS. The site is also compatible with Supernova and IBM Home Page Reader when using Internet Explorer 5 or above.
All trivial images have null Alt text.