It's a Macbook Pro with OS X. And I was instructed that using two fingers instead of one, on the mouse pad, makes it behave just like the scroll wheel on a PC. It works! Bert ---------------------------------------------------------------------- You can UNSUBSCRIBE from the OpenDTV list in two ways: - Using the UNSUBSCRIBE command in your user configuration settings at FreeLists.org - By sending a message to: opendtv-request@xxxxxxxxxxxxx with the word unsubscribe in the subject line.