Help Using This Website


This site has been designed to be as accessible and usable to as many users as possible.

This site aims to comply with current accessibility best practice as detailed in the W3C Web Content Accessibility Guidelines, as well as DDA AA+. It has been checked manually and using automated tools.

Text-only version

We have provided a high-visibility, text-only version of the website for visually impaired users. This option removes much of the page styling, but maintains the text, graphs, links and the overall order of the page.

This mode can be turned on by clicking the ‘Text-only Version’ link here or in the page header. When active, this option can be disabled by clicking the ‘Text & Image Version’ link in the same location.

Changing text manually

You may still wish to manually change the size and colour of the text on this website. The BBC website My Web My Way provides indepth information on how to make the internet more accessible for you.

Finding what you are looking for

Site Map

This website automatically generates a Site Map, which lists all the pages within the site is a text format.


The website also contains a powerful search facility. Enter your keyword(s) into the search box in the top-right of each page and hit the enter key or click the magnifying glass icon to begin your search.