on the basis of the blackberry pearl kyboard

The following Blackberry Pearl shortcuts can be used in many applications: * To move the cursor, roll the trackball. * To exit a screen or to move to a previous page in a browser, press the Escape key. * To move upwards in a screen, press 3. * To move downwards in a screen, press 9. * To move to the top of a screen, press 1. * To move to the bottom of a screen, press 7. * To