TweenJs, callback

moveMc(this.ball1, 1);
moveMc(this.ball2, 2);
moveMc(this.ball3, 3);
moveMc(this.ball4, 4);
moveMc(this.ball5, 5);
moveMc(this.ball6, 6);

function moveMc(ziel, zeit) {
	createjs.Tween.get(ziel)
	.to({x: Math.random() * 500 +20,y: Math.random() *350 + 20}, (0.5 + zeit * 0.06) * 1500, createjs.Ease.getPowInOut(2))
	.call(moveMc,[ziel, zeit]);
}