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These are all prefixed __utm. They will stay on your browser for periods between 30 minutes and two years. They do not give us access to your browser or any information about you.
Full details of Google Analytics cookies can be found in documentation provided by Google. To stop the Google Analytics cookies being set, you can install the Google Analytics Opt-out Browser Add-on (but if you do you it is possible that you will not be able to access all the website). Google Analytics Opt-Out Browser Add-On
2. Session Cookies
This cookie allow users to be recognised within a website. It is deleted when your visit ceases.
In addition, this website may provide links to Twitter. Twitter may set its own cookies; for more information see: http://twitter.com/privacy
When you visit this website, we may collect information about your computer, including its IP address, operating system and browser type, also the date, time and duration of your visit; we do this for the purposes of system administration and also to compile statistical data on the use of our website. This information does not identify you.