To make this site work properly, we sometimes place small data files called cookies on your device.

What are cookies?

A cookie is a small text file that a website saves on your computer or mobile device when you visit the site. It enables the website to remember your actions and preferences (such as login, language, font size and other display preferences) over a period of time, so you don’t have to keep re-entering them whenever you come back to the site or browse from one page to another.

How we use cookies

We use Google Analytics to analyse the usage of our website. This analytics service generates statistical information about our website use by means of cookies.

The information it generates relating to our website is used to create usage reports. Google Analytic’s privacy policy is available at: http://www.google.com/policies/privacy.

Below is a list of the cookies set by Google Analytics and an explanation of their usage:

Cookie Name	Expiration Time	Description
_qa	2 years	Used to distinquish users
_gid	24 hours	Used to distinquish users
_gat	1 minute	Used to throttle request rate

Cookie Acceptance

If you decide not to accept the use of cookies when visiting this site the above cookies will not be stored on your computer or device.

How to Control Cookies

You can control and/or delete cookies as you wish – for details, see http://www.aboutcookies.org.uk. You can delete all cookies that are already on your computer and you can set most browsers to prevent them from being placed. If you do this, however, you may have to manually adjust some preferences every time you visit a site and some services and functionalities may not work.