I am making a webpage that you probably never heard of. It is a Horse SIM game. Yeh, told ya! Anyways, i love this site: http://tackbox.horsefreak.net/. I like how the have on the 'Rules' part how it can move down to the section it is clicked on. How can you do that? Please help me!

They are called page anchors....
http://www.lissaexplains.com/html4.shtml#anchor

Thank you very much!!