Accessibility and usability
This site has been developed to conform to W3C Web Content Accessibility Guidelines Level "Double-A", satisfying all Priority 1 and 2 (and certain priority 3) checkpoints, with emphasis on:
Visually impaired users
All information on this site is easily accessible using screen-reading technology.
Users of minority browsers and mobile devices
This site is accessible using the majority of browsers. The site has been designed to the highest standard inline with web standards and best practices, with the aim to make it accessible to both old and new browsers, mobile media and other devices.
Accessibility tips
This website has been designed to be accessible to all visitors, regardless of disability. The following tips will help you get the most out of this site:
Increasing text size
You can increase and decrease the font size by doing either of the following depenant on the Internet browser software you are using:
- To increase the size of text in Microsoft Internet Explorer 6 or later, select "View" > "Text Size" > "Larger" or "Largest".
- To increase the size of text in Firefox 2 or later, select "View" > "Text Size" - "Larger" or press Ctrl and + (if you are using Windows).
- To increase the size of text in Netscape 6 or later, select "View" > "Text Size" - "Larger" or press Ctrl and + (if you are using Windows).
- For Opera 6 or later, press "9" to increase the size of the page by 10%. Press "9" again for 20% and so on.
Site structure
The main sections of the site are along the top of the page. These sections are Home, About Us, Services and so on. You can navigate these sections via this same menu, which consistently appears on the top of every page on the site.
You can also navigate the site via the Site Map, or try our quick search function at the top of the page or the dedicated Search page for more detailed searches with specific search criteria.
Contact us
If you encounter any difficulties using this site please let us know.




