Preloader

Hey.

I am have build a slideshow and i have a pictureLoader class I am trying to attach on it a preloader but for some reasons the showprogress hundler does not work properly

public class picLoader extends Sprite {

loader.contentLoaderInfo.addEventListener(ProgressEvent.PROGRESS,showProgress);

function showProgress(evt:ProgressEvent):void {

var temp =Math.floor(65*evt.bytesLoaded/evt.bytesTotal);

trace(temp); /// works give me the frames that I need 1,2,3,4.....65    

mypreloaderMovieClip.gotoAndStop(temp); /// does not work

Thank you.

}