Cookies are used to remember login and other details.

If you have cookies disabled you can still log-in, but you'll have to re-enter your details each time!

Q. What is a cookie?
A. A small text file stored on your PC, which can be read only by you or the website that generated it.
 
Q. Where is it and whats in it?
A. Often in your C:\Windows\Cookies\  directory & named yourname@www.jec-xk8-forum.org.uk[1].txt