MovieClip.prototype.rewind = function(from, to) {
	this.from = from
	this.to = to
	
	if (!from)
		this.from = this._currentframe
	
	if (!to)
		this.to = 1	
	
	if (this.from <= this.to) 
		return
	
	this.gotoAndStop(this.from)
	this.onEnterFrame = function() {
		if (this._currentframe == this.to) {
			this.onEnterFrame = null
			return
		}
		this.prevFrame()
	}
}

AS2 Rewind Prototype

ActionScript