Unload swf

package {
	
	import flash.display.*;
	import flash.events.*;
	import flash.net.*;

	public class Main extends MovieClip {

		public static const ENTRY_FRAME:Number=2;

		private var border:int=2;
		private var min:int=55;
		private var max:int=80;
		private var unit:Number;
		private var outdistancing:Number;
		private var speed:Number=0.15;
		private var _V:Number;
		private var now:Number=0;
		private var pUnit:Number;
		private var center:Array=new Array();
		private var icons_array:Array;
		private var url_array:Array;
		private var weath:Boolean=true;
		private var into:Boolean=true;
		private var xx:Number=0;
		private var yy:Number=0;

		

		public function Main() {

			addEventListener(Event.ENTER_FRAME, enterFrameHandler);
		}


		private function enterFrameHandler(event:Event):void {


			if (currentFrame>=Main.ENTRY_FRAME) {
				removeEventListener(Event.ENTER_FRAME, enterFrameHandler);
				stop();
				init();
			}
		}


		private function init():void {
			

			icons_array = new Array( menu_mc.ico_about,  menu_mc.icon_1_mc,  menu_mc.icon_2_mc,  menu_mc.icon_3_mc,
			               menu_mc.icon_4_mc,  menu_mc.icon_5_mc,  menu_mc.icon_6_mc, 
			   menu_mc.icon_7_mc, menu_mc.icon_8_mc );

			url_array=new Array  ('about.swf', 'to load/product.swf', 'to load/news.swf', 'to load/events.swf',
			                      'to load/gallery.swf', 'to load/download.swf', '',
			  'to load/registration.swf', 'to load/contact.swf' );

			unit=1*min;
			outdistancing=min+1;
			_V=max-min;
			pUnit=Math.PI/unit;


				for (var i:int=0; i < icons_array.length; i++) {
				icons_array[i].y=- border;
				center[i]=(2*i-icons_array.length-1)*outdistancing/2;

				icons_array[i].mouseChildren=false;
				icons_array[i].buttonMode=true;
				icons_array[i].id=i;
				icons_array[i].addEventListener(MouseEvent.MOUSE_DOWN,setDown);

			}


			menu_mc.tray.height=min+2*border;

			menu_mc.addEventListener(Event.ENTER_FRAME,moveMenu);

		}

		//-----------------
		//ici G quelque code pour l'animation du menu.....
		//---------------------



//-------cette partie pour charger les swf.

		private function setDown(evt:MouseEvent):void {

			var myLoader:Loader = new Loader();

			addChild(myLoader);

			var coco:URLRequest=new URLRequest(url_array[evt.target.id]);

			myLoader.load(coco);
			myLoader.x=49.5;
			myLoader.y=206;





//-------cette partie si je clik sur le logo il unload le swf deja 'loaded'

			logo.addEventListener(MouseEvent.CLICK,unloadSwf);

			function unloadSwf(e:MouseEvent):void {
				myLoader.unload();

			}
		}
	}
}

logo.addEventListener(MouseEvent.CLICK,unloadSwf);

			function unloadSwf(e:MouseEvent):void {
				myLoader.unload();

			}