We recognise that it is important to provide a website that is accessible for as many users as possible. We have therefore worked to ensure that our website can be used as far as possible by people with disabilities.

We have followed the Web Content Accessibility Guidelines Level 1, published by the international standards organisation W3C (World Wide Web Consortium).


While we have tried to ensure that this website is as accessible as possible, if you are experiencing difficulties with the site or have any comments regarding accessibility please contact us at and we will do our best to help.

Accessibility features

The following accessibility features have been incorporated throughout our website:

  • There is a text equivalent for every non-text element
  • Documents are organised so that they can be read without active Style Sheets
  • When scripts, applets, or other programmatic objects are turned off all pages are still useable
  • All images used in this site include descriptive alt tags attributes. Where an image has no use other than being decorative the alt tag is set to null to allow easy reading of the site by all users.
  • Most of the font sizes we use on our site are sizable. You can change the font size to make it either larger or smaller via your browser settings.
  • We have taken care to ensure that the site's font and background colour combinations contrast significantly and are effective in ensuring information is still clear when viewed in different colour combinations. If you wish to override the site's colours, you can do this by changing your browser settings to your own preference.
  • Most of the pop-up or new windows inform the user
  • Navigation mechanisms are used in a consistent manner
  • All event-handlers are device independent

Accessibility validation

This site uses CSS3, HTML5 and conforms with Conformance Level 1 of the WCAG (Priorities 1).

Accessibility standards

  1. All pages on this site support HTML5. This is indicated by the HTML tag on all pages: The pages have been tested against the standards for HTML5 provided by the World Wide Web Consortium []

  2. All pages on this site feature CSS [Cascading Style Sheets]. Some browsers do not support all features in CSS and as a consequence you might experience irregularities in the rendered design.

    Issues have been known to occur using these browsers:

    • Microsoft Internet Explorer older than version 11
    • Netscape Navigator 4.x
    • Opera 3.x
    • Any older versions of the above mentioned

    This pages have been tested against the standards given by World Wide Web Consortium []

    Netscape Navigator/Communicator 4.x users are deliberately excluded from some features due to the poor support for Cascading Style Sheets.

    This site has also been tested on the following browsers:

    • Google Chrome
    • Mozilla Firefox
    • Microsoft Edge
    • Safari OSX / iOS
    • Microsoft Internet Explorer 11


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