[iNils]

function moveBackAndGo (mc:MovieClip, x) {
	mc.flag = true;
	mc.x = x;
	mc.x1 = mc._x - (x - mc._x) / 5;
	mc.onEnterFrame = function () {
		if (this.flag) {
			var dx:Number = this.x1 - this._x;
			this._x += dx * 0.5;
			if (0.1 > Math.abs (dx)) {
				this.flag = false;
			}
		} else {
			var dx:Number = this.x - this._x;
			this._x += dx * 0.25;
			if (0.1 > Math.abs (dx)) {
				delete this.onEnterFrame;
			}
		}
	};
}
moveBackAndGo (mc, 500);