The purposes for which they are used, are set out below:
Most browsers allow you to refuse to accept cookies—for example:
in Internet Explorer (version 10) you can block cookies using the cookie handling override settings available by clicking “Tools,” “Internet Options,” “Privacy,” and then “Advanced”; in Firefox (version 24) you can block all cookies by clicking “Tools,” “Options,” “Privacy,” selecting “Use custom settings for history” from the drop-down menu, and unticking “Accept cookies from sites”; and in Chrome (version 29), you can block all cookies by accessing the “Customize and control” menu, and clicking “Settings,” “Show advanced settings,” and “Content settings,” and then selecting “Block sites from setting any data” under the “Cookies” heading.
Blocking all cookies will have a negative impact upon the usability of many websites. If you block cookies, you will not be able to use all the features on our website.
You can delete cookies already stored on your computer.
Deleting cookies will have a negative impact on the usability of many websites.