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Blocking cookies Most browsers allow you to refuse to accept cookies. For example: (1) in Internet Explorer you can refuse all cookies by clicking “Tools”, “Internet Options”, “Privacy”, and selecting “Block all cookies” using the sliding selector; (2) in Firefox you can block all cookies by clicking “Tools”, “Options”, and un-checking “Accept cookies from sites” in the “Privacy” box. Blocking all cookies will, however, have a negative impact upon the usability of many websites. If you block cookies, you will not be able to use many of the features of this website.
Deleting cookies You can also delete cookies already stored on your computer. The method of doing so will depend upon your web browser. Instructions are available at the following URLs.
Internet Explorer: http://support.microsoft.com/kb/278835)