To scroll within a frame on any webpage use two fingers. To scroll over an entire webpage use just one finger. To scroll inside the results box simply place two fingers on the screen and slide up or down. Click on the following links for more info.
http://manuals.info.apple.com/en_US/iPad_iOS4_User_Guide.pdf [1]
http://www.youtube.com/watch?v=7rpjTiXieu8 [2]
