loader

var request:URLRequest = new URLRequest("content.swf");
var loader:Loader = new Loader();
 
loader.contentLoaderInfo.addEventListener(ProgressEvent.PROGRESS, loadProgress);
loader.contentLoaderInfo.addEventListener(Event.COMPLETE, loadComplete);
 
function loadProgress(event:ProgressEvent):void {
var percentLoaded:Number = event.bytesLoaded/event.bytesTotal;
percentLoaded = Math.round(percentLoaded * 100);
trace("Loading: "+percentLoaded+"%");
}
function loadComplete(event:Event):void {
trace("Complete");
}
 
loader.load(request);
addChild(loader);