package 

{

	import flash.display.StageAlign;

	import flash.display.StageScaleMode;

	import flash.display.MovieClip;

	import flash.events.*;



	public class MainPreloader extends MovieClip

	{

		

	// -----------------------------------------------------------------------------

	// PROPERTIES

	

		// private var preloader:MovieClip// instance of the progress animation movie on the main stage



	// -----------------------------------------------------------------------------

	// CONSTRUCTOR & DESTRUCTOR

		

		public function MainPreloader():void

		{

			super();

			init();

		}

		

		protected function init():void

		{

			// Stop main timeline

			stop();

			

			// init Stage

			stage.scaleMode = StageScaleMode.NO_SCALE;

			stage.align = StageAlign.TOP_LEFT;

			

			if ( this.loaderInfo.bytesLoaded == this.loaderInfo.bytesTotal )

			{

				// if already loaded

				onMainLoaded()

			}

			else

			{

				// if not then track load progress

				this.loaderInfo.addEventListener(ProgressEvent.PROGRESS, onMainLoadProgress);

			}

		}

		

		protected function destroy():void

		{

			// clean up listeners

			this.loaderInfo.removeEventListener(ProgressEvent.PROGRESS, onMainLoadProgress);

		}

		

	// --------------------------------------------------------------

	// EVENTS

		

		protected function onMainLoadProgress(e:ProgressEvent):void

		{

			var percent:Number = Math.round((e.bytesLoaded / e.bytesTotal )*100 );

			preloader.gotoAndStop( percent );

			trace(percent + "%  loaded");



			// check for load complete

			if (e.bytesLoaded == e.bytesTotal )

			{

				onMainLoaded();

			}

		}

		

		protected function onMainLoaded():void

		{

			// Start main timeline

			destroy();

			play();

		}

	}

}