Cookies are very small files that are stored on your computer when you visit most websites. They are sent back and forth between the website’s server and your Internet browser to allow the website to remember actions you’ve made.
Cookies set by this website
‘Sprocket’ Content Management System
Cookies: SPROCKET_SESSION; SPROCKET_SESSION_DATA
Expiry: 2.5 hours; when you quit your browser (respectively)
Purpose: These cookies allow our website’s developers to perform updates and site maintenance.
Cookies: _utma; _utmb; _utmc; _utmz
Expiry: 2 years; 30 minutes; when you quit your browser; 6 months (respectively)
Purpose: These cookies collect information about how our visitors use this site. This data is collected anonymously, and is used to help improve this website’s functionality. For more information, see Google Analytics' page on safeguarding your data.
Most Internet browsers allow users to control the acceptance of cookies via the browser’s settings. Visit allaboutcookies.org to find out how to configure these settings on a number of major browsers.
You can opt out of being tracked by Google Analytics across all websites by installing Google’s opt-out browser add-on.
Changes to this privacy notice
We keep our privacy notice under regular review. This privacy notice was last updated on 22 May 2012.