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Cookies policy

When you visit the site we may store some information (commonly known as 'cookies') on your computer. Cookies are pieces of information that a website transfers to your hard drive to store and sometimes track information about you. Cookies are specific to the server that created them and cannot be accessed by other servers, which means that they cannot be used to track your movements around the web. A cookie helps you get the best out of the site and helps us to provide you with a more customised service.

The site uses cookies to measure site usage and to improve and update our content. You can manage these small files yourself and learn more about them from You can block or erase cookies from your computer if you want to, but certain parts of the site are reliant on the use of cookies to operate correctly. They may not work correctly if you set your browser not to accept cookies. The list below shows all of the cookies that are set by this website and the third-party services we use. If you have any queries about these cookies or would like more information about them, email

Cookies for improving service

Google Analytics sets cookies to help us accurately estimate the number of visitors to the website and volumes of usage. This is to ensure that the website is available when you want it and to help us understand what you want to use.

Name of cookieTypical contentExpires
utmarandomly generated number2 years
_utmbrandomly generated number30 minutes
_utmcrandomly generated numberWhen you close your browser
_utmzrandomly generated number and information on how the site was reached. For example, directly, via a link, organic search or paid search.6 months
​asp.netUses forms authentication which uses session-based cookies to hold the data entered by the users temporarily.When you close your browser
​aspxauth FedAuth​These are session-based cookies to temporarily hold data entered by the users. They time out after 30 minutes of inactivity.​30 minutes

For further details on the cookies set by Google Analytics, please refer to the Google Code website.