A cookie is a small file of letters and numbers that we store on your browser or the hard drive of your computer if you agree. Cookies contain information that is transferred to your computer's hard drive. Some cookies are necessary to ensure that our website can function. Others allow us to generate statistics about our website usage. In addition, certain cookies will enable you to be recognised when you revisit our website, which can improve your experience of it.
You can block cookies by activating the setting on your browser that allows you to refuse the setting of all or some cookies. However, if you use your browser settings to block all cookies (including essential cookies) you may not be able to access all or parts of our site and our site may not function properly.
Except for essential cookies, all cookies will expire after no more than two years (many expire much sooner).