Please note:

If you tick the "Remember Me" box, this will set a cookie on your computer. This allows the site to remember you when you return and you will not need to keep typing out your user name.

If you have chosen to disable cookies or you do not tick the "Remember Me" box, you will need to log in afresh each time.

If you are not logging on from your own computer you must not check the box above.
You must also log out of the system when you are finished.