prueba asi:
Código:
stop();
this.onEnterFrame = function() {
var carga:Number = this.getBytesLoaded()/this.getBytesTotal();
var amount:Number = this.getBytesLoaded()/this.getBytesTotal()*100;
this.loadText.text = Math.round(carga*100)+"%";
loader._xscale = amount;
if (amount == 100) {
this.gotoAndPlay(3);
delete this.onEnterFrame;
}
};
o lee el numero tres de este post:
http://www.forosdelweb.com/f16/curso-flash-gratis-507685/