Browser support

We recommend you use a current browser to ensure that all the pages are displayed correctly. Old browsers may limit the functions available and may restrict what is displayed. To enjoy the full functionality of all the pages you should activate JavaScript.

If you have any problems or queries regarding our website please contact us using the form provided. For display problems please tell us the link to the relevant page and the version of the browser you are using.

Additional software

Some of our pages contain documents that can only be used with the aid of additional software. The following table shows further information and links to suppliers where you can download the appropriate software (generally free of charge).

Software Description
Adobe Flash Player

Browser plug-in for displaying animations and multimedia content.

Download Adobe Flash Player

Adobe Acrobat Reader

Software for displaying and printing documents in Portable Document Format (PDF).

Download Adobe Acrobat Reader

7-Zip or WinZip

These programs are used for compressing and archiving files and directories.

Download 7-Zip(free of charge)
Download WinZip

Meanings of the icons

Icon  Description

Print current page
This prints out the contents of the current page. The side columns are not printed.

Adjust text size
You can resize the text in several stages. This setting then applies to all the pages. For the setting to be saved you must allow cookies on our pages.
If necessary you can also control the display size from your browser (zoom function or text resize setting in the browser).