We hope that you find our website usable and accessible. Here is some information to help you use the site in the way that you want to.

Making changes to your operating system


Website is compatible with Internet explorer 10 and above, popular browsers like Chrome, Firefox, Safari and others.


A description of every image is provided, either in the alt tag or on the page itself.


We try to ensure that link text makes sense out of context and that it accurately describes the pages it points to. You can use the tab key on your keyboard (as well as your mouse) to move from consecutive link to link.

PDF files

Some of the information on our website is in Portable Document Format (PDF). You will need Adobe Acrobat Reader to read PDF files. Adobe Acrobat Reader can be downloaded free of charge from the Adobe website. Later versions of this software provide a number of features that improve access for users.