To withdraw your consent, or if you want to be notified each time a cookie is about to be used, you should amend the settings provided in your web browser to prevent us from storing cookies on your computer's hard drive. This is the method for the most popular browsers.
For Microsoft Internet Explorer:
Choose the menu “tools” then “Internet Options”
Click on the “privacy” tab
Select the setting the appropriate setting
For Mozilla firefox:
Choose the menu “tools” then “Options”
Click on the icon “privacy”
Find the menu “cookie” and select the relevant options
For Opera 6.0 and further:
Choose the menu “Files” then “Preferences”
For information on how to disable cookies, please consult the "Help" tab of your browser via the menu bar.