num=1900;

btn.onPress=function() {

        function moveUp():Void {

        num = num+1;

        fill = num;

        } var intervalID = setInterval(moveUp, 300);

}

var num:Number = 1900;

var intervalID:Number;

function moveUp ():Void {

        num = num + 1;

        fill = num;

}

btn.onPress = function () {

        intervalID = setInterval (this, "moveUp", 300);

};

btn.onRelease = function () {

        clearInterval (intervalID);

};

btn.onReleaseOutside = btn.onRelease;

var btn:MovieClip = this.createEmptyMovieClip ("mc", this.getNextHighestDepth ());

btn.beginFill (0);

btn.lineTo (100, 0);

btn.lineTo (100, 100);

btn.lineTo (0, 100);

btn.lineTo (0, 0);

btn.endFill ();

var num:Number = 1900;

var intervalID:Number;

var test:Number = 0;

function moveUp (t:Number):Void {

        num = num + 1;

        trace (t + " : " + num);

}

btn.onPress = function () {

        intervalID = setInterval (this._parent, "moveUp", 300, test);

        test++;

};

btn.onRelease = function () {

        clearInterval (intervalID);

};

btn.onReleaseOutside = btn.onRelease;