This site has
been designed to be accessible to people with many kinds of disabilities.
The tab key will take the user from link to link, so those who cannot
use a mouse can get to the location they want to. The form elements
have been labelled so that there is no question what should be typed
into a form box. The structure and content are separated, and headings
are marked with a heading tag to identify the structure.
Every page, except the home page and some very low-level pages,
has two initial invisible links.
The first skips someone with a screen-reader type device to the
content of the page.
The second link skips to the left-hand navigation list. This link
is missing on pages without local menus.
The graphic at the top of the page has alt tags on all hotspots.
Someone with a screen-reader or text browser will see or hear the
In addition, selected links have been coded with an accesskey to
allow easy movement. These access keys are the same on all pages.
They are listed in the table below. To use them in browsers that
support the access key function, hold down the Alt key in WIndows
or the Cmd key on Macintoshes at the same time as the code listed.
Access Key codings
|Access key code
||Location skipped to
|| This web page about accessibility.
||The home page of the web site.
||The current page's content.
||The local navigation menu.
||The search box.
||The drop-down box to choose a section.