This website has been designed to be as useable and accessible as possible across a wide variety of user-agents. This has been done by using XHTML (eXtensible Hypertext Markup Language) and CSS (Cascading Style Sheets) and it conforms to current Web accessibilty Initiative (W3C WaI) guidelines.

    

For non-standard users, the website can be navigated by using pre-defined access keys (see below and right). For users with visual impairments, if using the latest browser versions with 'text-zoom', text-size can be increased by holding down and scrolling (at the same time) the wheel of your mouse. There area also links to common access devices such as screen readers and braille devices in the right-hand column.

You can access the key navigational features of this website without the need for a mouse by using access keys. access keys are simply keys on your keyboard which, when pressed, will identify with a pre-defined element on a web page and cause the element (such as a link or button) to become active.