Cookie Policy

When someone visits, we collect details of visitor behaviour patterns and other information.  We collect this information in a way that does not personally identify anyone.  If we do want to collect personally identifiable information through our website, we will be upfront about this.  We will make it clear when we collect personal information and will explain what we intend to do with it.

Cookies are small text files placed on your device and are widely used to make websites work, or work more efficiently, as well as to provide the information noted previously.

You can manage most cookies through your web browser.  To find out more, including how to see what cookies have been set and how to manage and delete them, visit or

To opt out of being tracked by Google Analytics across all websites visit

Details of the cookies used by this website are set out below:


Session Cookies: Session cookies are cookies that expire at the end of a browser session, that is when you exit the browser. They allow us to link your actions during a single browser session to allow you to use the website most efficiently.

Cookie Name Purpose Duration
_ utmb


helps calculate length of visit by taking timestamp of when visitor enters site. expires when browser closes.
_ utmc


helps calculate length of visit by taking timestamp of when visitor exits site.


expires when browser closes.


used by Drupal core to remember if user has Javascript enabled on browser.


expires when browser closed.


Persistent Cookies: In contrast to session cookies, persistent cookies are stored on your equipment between browsing sessions. They enable us to “recognise” you on your return.

Cookie Name Purpose Duration


to store Drupal page parameters expires after 23 days from last visit to site.




identifies where visitor came from, what search engine used, what link clicked on, what keywords used, and global location site accessed from expires one year after last set.


keeps track of the number of times a visitor has been to the site, when their first visit was and when their last visit was.


expires two years after last visit to site.


created and read by the AddThis social sharing site using Javascript on the client side enabling a user to see the updated page count if they share a page and return to it before the website share count cache is updated.  No data from this cookie is sent back to AddThis.


expires two years after last visit to site.