* event handler for checking and processing user input and
* for defining navigation
CASE event_id.
  WHEN 'login'.
  application->ind = ind.
  application->wa2 = wa2.
    navigation->goto_page( 'login.htm' ) .
  WHEN 'Zurueck'.
    navigation->set_parameter( 'wa1' ).
    navigation->goto_page( 'flights.htm' ) .
  WHEN 'exit'.
    navigation->exit( 'http://www.fh-augsburg.de' ) .
ENDCASE.
