[shaggy]

I'm trying to create a prototype function that zoom in or out a specific object as follows:

Actionscript:

MovieClip.prototype.zoom = function   (zoomX,zoomY,speedX,speedY){
 this.onEnterFrame = function(){
   this._xscale += (zoomX - this._xscale)/speedX;

   this._yscale += (zoomY - this._yscale)/speedY;

  if((Math.abs(zoomX - this._xscale))/speedX <.1 && (Math.abs(zoomY - this._yscale))/speedY < .1){
     this._xscale = zoomX;
     this._yscale = zoomY;
    delete this.onEnterFrame;
      }
   }
}

zoomX and zoomY are variables that set the "zoom" in percentage like 200 or 300

speedX and speedY are variables that set the speed of zooming in the x and y direcions.

when i "zoom in" the function works fine, but when it try to "zoom out" the function stops after the first turn of loop.

example:
_root.myMovie.zoom(200,200,16,20) works fine

_root.myMovie.zoom(50,50,16,20) not working

can any one please find why this is happening.