[silin]

createEmptyMovieClip("buttonAttachName", 1);
buttonAttachName.loadMovie("buttons/buttonstyle1.swf");
this.onEnterFrame=function(){
	var l=buttonAttachName.getBytesLoaded();
	if(l && l>=buttonAttachName.getBytesTotal()){
		buttonAttachName.buttonText.text = "tratata";
		delete this.onEnterFrame;
}

опа, уже есть