If you are having difficulty reading the text on the web site due to the colours or shading on the pages, you can change the appearance of the site by switching to a high contrast version. This provides a version of the web site which uses a dark background and an increased font size. All the information you see will be the same, except that the pictures will be removed.
Use the link below to switch to the high contrast stylesheet. If you wish to switch back to the normal colour scheme, use one of the text size links at the top of each page.