What are cookies?
To ensure the VIS web funtcionality, we sometimes place small data files on your computer, known as cookies. Cookies help the site remember your settings - language, font size and other preferences for how you want to view the site on your computer - this is do that you don't have to keep re-entering them whenever you come back to us.
How can you control cookies?
You can control and/or delete cookies as you wish - for all details, see AboutCookies.org. You can delete all the cookies already on your computer and you can set most browsers to block them being placed. But if you do this, you may have to manually adjust some preferences every time you visit the site.