We are committed to ensuring that our website is accessible to everyone, including people with disabilities.

Accessibility guidelines have been an integral part of the design and development process from the outset.

If you have any questions or suggestions regarding the accessibility of this site, please contact us, since we are continually striving to improve the experience for all visitors.

This site aims to comply with Priority 1 and Priority 2 of the W3C accessibility guidelines. We operate a system of continuous improvement to ensure the guidelines are met.

Text size

If you find the text on this site is too small, you can use the Bigger Text size option at the top right of this screen


The dynamic site map provides a continuously updated overview of our website structure, helping orientation within the site layout and therefore easing navigation.


Some documents on this website are in PDF (Portable Document Format).

To read them you will require Adobe Acrobat viewer. This can be downloaded from http://www.adobe.com/ (external link).

If you need further information about Adobe accessibility, visit http://www.adobe.com/accessibility/index.html(external link).