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Browser Specification

This website is best viewed using Internet Explorer 9 and above.

Screen Specification

This site has been designed for viewing on colour monitors at a minimum screen resolution of 1024 x 768 pixels.


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You can reset your browser so as to refuse any cookie or to alert you to when a cookie is being sent.

If you choose not to accept our cookies, some of the features of our site may not work as well as we intend.

We only use cookies for temporarily recording style preferences and the purpose of maintaining state within extranet areas.

Portable Document Formats (PDFs)

Some documents on this site are provided as Adobe PDFs. To view a PDF document you need a free software application called Adobe Acrobat Reader. If you don’t already have it on your computer you will need to download Adobe Reader and install it.

If you are visually impaired or have another condition that requires supporting applications to enable you to enjoy the internet, visit the Adobe accessibility resource centre.

To Change Browser Text Size

Web Browsers include functionality to let you increase or decrease the text in a Web page. This can be done through the Browser menu or with keyboard shortcuts.

Both methods are described here.

Internet Explorer

Menu: View > Text Size > Largest
Windows: Ctrl + (plus)
Mac: Command + (plus)

Menu: View > Text Size > Smallest
Windows: Ctrl – (minus)
Mac: Command – (minus)


Menu: View > Text Size > Increase
Windows: Ctrl + (plus)
Mac: Command + (plus)

Menu: View > Text Size > Decrease
Windows: Ctrl – (minus)
Mac: Command – (minus)


Menu: View > Make Text Bigger
Windows: Ctrl + (plus)
Macintosh: Command + (plus)

Menu: View > Make Text Smaller
Windows: Ctrl - (minus)
Macintosh: Command - (minus)


Menu: View > Zoom > %
Windows: + (plus) or – (minus)
Macintosh: + (plus) or – (minus)