This website makes minimal use of cookies. We only use required cookies  to support use and analysis and understanding of how people use the website.  We perform this analysis to help us improve the usage and effectiveness of the website. The data collection and reporting behind this analysis is currently provided by Google Analytics. Your continued use of this website will indicate your agreement to the use of these cookies. 

In order to provide website visitors with more choice on how data is collected by Google Analytics, Google has developed the Google Analytics Opt-out Browser Add-on. The add-on communicates with the Google Analytics JavaScript (ga.js) to stop data being sent to Google Analytics. The Google Analytics Opt-out Browser Add-on does not affect usage of the website in any other way. A link to further information on the Google Analytics Opt-out Browser Add-on is provided below for your convenience.

http://tools.google.com/dlpage/gaoptout?hl=None

For more information on the usage of cookies by Google Analytics please see the Google website

http://www.google.com/analytics/learn/privacy.html

Disabling Cookies
If you would like to restrict the use of cookies you can control this in your Internet browser. Links to advice on how to do this for the most popular Internet browsers are provided below:

• Google Chrome
  https://support.google.com/chrome/bin/answer.py?hl=en-GB&answer=95647&p=cpn_cookies
• Firefox
  http://support.mozilla.org/en-US/kb/Blocking%20cookies
• Internet Explorer

http://windows.microsoft.com/en-GB/windows7/Block-enable-or-allow-cookies