; orbit_off.sfa - John French, Abrams Planetarium, May 2002
; This file erases the solar system orbits.

0:00 buttons 5,15 play ./orbit_on
     buttons 5,15 label 'orbit  On'
	declare global orrery
	adj mercury mem rem orrery
	adj venus mem rem orrery
	adj earth mem rem orrery
	adj mars mem rem orrery
	adj jupiter mem rem orrery
	adj saturn mem rem orrery
	adj uranus mem rem orrery
	adj neptune mem rem orrery
	adj pluto mem rem orrery
     end