Корректная загрузка с помощью стандартных компонентов UIloader и List

import flash.events.ProgressEvent;
 
loadList.addEventListener(Event.CHANGE, loadFile);
 
function loadFile(e:Event):void
{
    loadWindow.load(new URLRequest(e.target.selectedItem.data));
    loadWindow.addEventListener(ProgressEvent.PROGRESS, progressHandler);
    loadWindow.addEventListener(Event.COMPLETE, completeHandler);
}
 
bar.visible = false;
loadAnimation.stop();
loadAnimation.visible = false;
loadAnimation.alpha = .8;
 
function progressHandler(e:ProgressEvent):void
{
    bar.visible = true;
    prog_txt.visible = true;
    loadAnimation.visible = true;
    var percent:int = loadWindow.percentLoaded;
    loadAnimation.gotoAndStop(Math.ceil(percent));
    prog_txt.text = String(loadWindow.bytesLoaded) + " of " + String(loadWindow.bytesTotal) + " bytes"
     + "\n" + " (" + percent + "% loaded)";
    bar.setProgress(e.bytesLoaded, e.bytesTotal);
}
 
function completeHandler(event:Event):void {
    bar.visible = false;
    prog_txt.visible = false;
    loadAnimation.visible = false;
    loadWindow.removeEventListener(ProgressEvent.PROGRESS, progressHandler);
    loadWindow.removeEventListener(Event.COMPLETE, completeHandler);
}

loadWindow.load(new URLRequest(e.target.selectedItem.data));

loadList.selectedItem.data