Just a note to everyone installing this, IE7 doesn't display the link, but Firefox does. So, I had to make a button myself and replace the link that's included with the code, because for some reason IE wouldn't pull it up and was causing the scripting error that Lucy is mentioning. Even after allowing the script to run I think it had something to do with the wwwurl with no period in between. Mine is here:
www.utvrally.com The button is 89x20 pixels.
Chris