Items will not stay in my shopping basket?

Our Website runs using 'Cookies' (a small text file of information i.e. user ID, user peferences or archive shopping cart. Created by web server and stored on a user's computer.)  Please adjust your computer to allow cookies. This can be done by opening your Internet explorer, click tools, then Internet options, then click Privacy and set to allow cookies, (normally medium) You may need to re-start your computer for the changes to take effect.