Cookies are small text files that are placed on your computer by websites that you visit. They are widely used in order to make websites work, or work more efficiently, as well as to provide information to the owners of the site.
We have included details below of the cookies we use and why.
Most web browsers allow some control of most cookies through the browser settings. To find out more about cookies, including how to see what cookies have been set and how to manage and delete them, visit www.allaboutcookies.org.
Switching off cookies may have an impact on the functionality of the site.
To opt out of being tracked by Google Analytics by all websites, visit http://tools.google.com/dlpage/gaoptout.
Google Analytics (used for tracking site usage)
_utma Stores number of visits, time of first visit, the previous visit and the current visit - 2 years
_utmb Checks start and end time of current visit - 30 minutes
_utmc Checks start and end time of current visit - End of session
_utmz Tracks where a visitor arrived from (search engine, search keyword, or link) - 6 months