A cookie consists of information sent by a web server to a web browser, and stored by the browser. The information is then sent back to the server each time the browser requests a page from the server. This enables the web server to identify and track the web browser.

We may use both session cookies and persistent cookies on the website. We use session cookies to: keep track of you whilst you navigate the website and we may use persistent cookies to: enable our website to recognise you when you visit. Session cookies will be deleted from your computer when you close your browser. Persistent cookies will remain stored on your computer until manually deleted, or until they reach a specified expiry date.

We use Google Analytics to analyse use of our website. Google Analytics generates statistical and other information about website use by means of cookies, which are stored on users' computers. The information generated relating to our website is used to create reports about the use of the website. Google will store this information. Google's privacy policy is available at: http://www.google.com/privacypolicy.html.

In addition we also use some third party cookies to enhance the user experience when visiting our site. These cookies are listed in the table on our privacy policy page and are generated by Google and Twitter. If you do not accept are privacy request certain pages will not render correctly and pages will not be displayed correctly to the user.

Most browsers allow you to reject all cookies, whilst some browsers allow you to reject just third party cookies. For example, in Internet Explorer you can refuse all cookies by clicking 'Tools', 'Internet Options', 'Privacy', and selecting Block all cookies using the sliding selector. Blocking all cookies will, however, have a negative impact upon the usability of many websites.

In line with Privacy and Electronic Communications (EC Directive) (Amendment) Regulations 2011 we have changed our website to notify you that we would like to use cookies and request your consent for us to do so. You do not have to accept our cookies or you may use your browser to automatically notify and block their use, however this will have a detrimental effect on the way our site operates. If you require further information please visit the Information Commissioner's Office website for further information.