The cookies used can be grouped roughly into the following categories:
The length of time that a cookie remains on your computer or device depends on whether it is a “persistent” or “session” cookie. Session cookies last until you stop browsing and persistent cookies last until they expire or are deleted. Most of the cookies we use are persistent and will expire between 90 days and two years from the date they are downloaded to your device. See the section below for more information on removing them before they expire.
If you want to disable cookies you need to change your website browser settings to reject cookies. How you can do this will depend on the browser you use.
If you want to delete any cookies that are already on your computer or devices, please refer to the help and support section on your internet browser for instructions on how to locate the file or directory that stores cookies.
Please note that our online services cannot always control third-party cookies stored on your computer or devices from our online services and that setting your cookie preferences with us will not stop those third-party cookies from being stored. Therefore you must manage these cookies directly with the relevant third party.
Information on deleting or controlling cookies is available at www.AboutCookies.org. Please note that by deleting our cookies or disabling future cookies you may not be able to access certain areas or features of our website.
Further details on how to disable cookies for the most popular browsers are set out below:
For Microsoft Internet Explorer:
For Google Chrome:
For Mozilla firefox:
For Opera 6.0 and further: