stop();
addEventListener(Event.ENTER_FRAME, preLoad);

function preLoad(e:Event):void
{
    var bytestoLoad:Number = loaderInfo.bytesTotal;
    var numberLoaded:Number = loaderInfo.bytesLoaded;

    if(bytestoLoad == numberLoaded)
    {
        removeEventListener(Event.ENTER_FRAME, preLoad);
        gotoAndStop(2);
    }else{
        preLoader.preLoaderFill.scaleX = numberLoaded/bytestoLoad;
        preLoader.bytesPercent.text = Math.floor(numberLoaded/bytestoLoad * 100) + "%";
    }
}