Cookies are small text files that can be used by web sites to make a user's experience more efficient.

The law states that we can store cookies on your machine if they are essential to the operation of this site but that for all others we need your permission to do so.

This site does use some non-essential cookies. We do not do this to track individual users or to identify them, but to gain useful knowledge about how the site is used so that we can keep improving it for our users. Without the knowledge we gain from the systems that use these cookies we would not be able to provide the service we do.

We use Google Analytics, a popular web analytics service provided by Google, Inc. Google Analytics uses cookies to help us to analyse how users use the site. It counts the number of visitors and tells us things about their behaviour overall – such as the typical length of stay on the site or the average number of pages a user views.

The information generated by the cookie about your use of our website (including your IP address) will be transmitted to and stored by Google on servers in the United States. Google will use this information for the purpose of evaluating your use of our website, compiling reports on website activity and providing other services relating to website activity and internet usage.