Here's a reminder of what cookies are and why they can be useful - together with instructions for disabling them via your web browser if you choose.
(Updated 30 July 2014)
If cookies aren't enabled on your computer, it will mean that your browsing or shopping experience on our - and other - websites will be limited. Some active content, movies and online shopping baskets, for example, may not work correctly.
To turn cookies on or off for all websites via your web browser, follow the instructions below. If you would like to opt out of Google Analytics cookies, you can find out more on Google's website.
Not sure which web browser you're using?
On a PC, click on 'Help' at the top of your browser window and select the ‘About’ option. On a Mac, with the browser window open click on the Apple icon and select 'About'.