We use a number of different cookies on our site. If you do not know what cookies are, or how to control or delete them, then we recommend you visit http://www.aboutcookies.org for detailed guidance.
The list below describe the cookies we use on this site and what we use them for.
We currently operate an ‘implied consent’ policy.
This means that we assume you are happy with this usage. If you are not happy, then you should either not use this site, or you should delete the cookies having visited the site, or you should browse the site using your browser’s anonymous usage setting (called “Incognito” in Chrome, “InPrivate” for Internet Explorer, “Private Browsing” in Firefox and Safari etc.)
First party cookies
These are cookies that are set directly by our website.
You can find out more about Google’s position on privacy as regards its analytics service at http://www.google.co.uk/intl/en/analytics/privacyoverview.html
This cookie is typically written to the browser upon the first visit to your site from that web browser, and is used to determine unique visitors to a site and is updated with each page view
This cookie is used to establish and continue a user session with your site. When viewing a page, the Google Analytics code attempts to update this cookie. If it does not find the cookie, a new one is written and a new session is established. Each time a user visits a different page on your site, this cookie is updated to expire in 30 minutes, thus continuing a single session for as long as user activity continues within 30-minute intervals.
Historically, this cookie operated in conjunction with the __utmb cookie to determine whether or not to establish a new session for the user.
This cookie stores the type of referral used by the visitor to reach your site, whether via a direct method, a referring link, a website search, or a campaign such as an ad or an email link. It is used to calculate search engine traffic, ad campaigns and page navigation and is updated with each page view.
Google offers an opt-out tool available at https://tools.google.com/dlpage/gaoptout which allows you to opt out of all their Analytics tracking for all web sites as an add-on to most popular browsers