Global function to stop/start timelines

programming flash
1

I was wondering if someone could shed some light in helping translate a AS2 function to AS3. It stops the movie’s timeline from where you called the function. Thanks much.
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MovieClip.prototype.wait = function(n:Number) {
    this.stop();
    this.myInterval = setInterval(mx.utils.Delegate.create(this, function () {
        this.play();
        clearInterval(this.myInterval);
    }), n*1000);
};

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