Simply view the website as normal through the TV screen.
Eg: Press the "Contents" button to go to the contents page, then select links as you would normaly do.
Press II to pause the automatic scrolling.
Press << to reverse the scroll direction.
Press Off, to return to normal view mode.
You can only use the scroll bar when the scrolling has been paused.
A page from James David Chapman's website.
Located at: http://www.users.globalnet.co.uk/~jchap/
Site mirrored here at: http://www.j.chap.btinternet.co.uk