def _animateLoop(obj,
animation,
fstart,
fstop,
speed=1.0,
duration=0.0,
delay=0.0,
onstartAction=None,
onfinishAction=None):
playback = PlayBack(obj=obj,
animation=animation,
fstart=fstart,
fstop=fstop,
speed=speed)
playback.playLoop(delay=delay,
duration=duration,
onstartAction=onstartAction,
onfinishAction=onfinishAction)
return playback
