This website has been built to conform to the following standards.


  • All content images used in this site include descriptive ALT attributes. Purely decorative graphics include null ALT attributes.

Visual design

  • This site uses cascading style sheets for visual layout.
  • This site uses only relative font sizes, compatible with the user-specified "text size" option in visual browsers.
  • If your browser or browsing device does not support stylesheets at all, the content of each page is still readable.

Increasing text size

Some users may find the text easier to read by increasing the size. There will be some degradation in the design when increased but each page will still be readable. To do this simply adjust your desktop browser settings as follows:

 Browser Platform  Menu  Keyboard shortcut
 Chrome v31 PC  Customise > Zoom + / Zoom -  CTRL + / CTRL -
 Firefox v25+ PC  View > Zoom In / Zoom Out  CTRL + / CTRL -
 Internet Explorer v9+ PC  View > Zoom > Zoom In / Zoom Out  CTRL + / CTRL -
 Chrome v31 Mac  View > Zoom In / Zoom Out  CMD + / CMD -
 Firefox v25+ Mac  View > Zoom > Zoom In / Zoom Out  CMD + / CMD -
 Safari v7 Mac  View > Zoom In / Zoom Out  CMD + / CMD -