Dear Dr. Hauking, and while you are at reconsidering spelling you might want to have a look at "Plank" also. Kind regards Bernd -- View this message in context: http://runtime-revolution.278305.n4.nabble.com/before-vs-on-in-behavior-scripts-tp4677166p4677347.html Sent from the Revolution - User mailing list archive at Nabble.com.