Section 1
//Preloader (view.Preloader)
package view {
	import flash.display.*;

	public class Preloader extends Sprite {

		public function Preloader(){
			super();
		}
		public function setProgress(p:Number):void{
		}

	}
}//package view 
Section 2
//Container (Container)
package {
	import flash.events.*;
	import flash.display.*;
	import view.*;
	import flash.net.*;
	import flash.system.*;

	public class Container extends Sprite {

		private var loader:Loader;
		private var preloader:Preloader;

		public function Container(){
			super();
			preloader = new Preloader();
			addChild(preloader);
			loader = new Loader();
			loader.contentLoaderInfo.addEventListener(ProgressEvent.PROGRESS, onApplicationProgress);
			loader.contentLoaderInfo.addEventListener(Event.COMPLETE, onApplicationLoaded);
			loader.load(new URLRequest("Application.swf"), new LoaderContext(false, ApplicationDomain.currentDomain));
		}
		private function onApplicationLoaded(event:Event):void{
			preloader.setProgress(1);
			removeChild(preloader);
			addChild(loader.content);
		}
		private function onApplicationProgress(event:ProgressEvent):void{
			preloader.setProgress(((0.9 * event.bytesLoaded) / event.bytesTotal));
		}

	}
}//package