Vkontakte flash-app example (opening from the wall)

package
{        
    import flash.display.Loader;
    import flash.display.Sprite;
    import flash.events.Event;
    import flash.net.URLLoader;
    import flash.net.URLRequest;
    import flash.text.TextField;
    
    import com.adobe.serialization.json.JSON;
    
    public class Main extends Sprite
    {
        private var textField2:TextField;
        private var wallPostLoader:URLLoader;
        
        public function Main()
        {            
            addEventListener(Event.ADDED_TO_STAGE, onStage);
        }        
        
        public function onStage(evt:Event):void
        {
            var wrapper:Object = Object(parent.parent);
            var parameters:Object = wrapper.application.parameters;
            
            wallPostLoader = new URLLoader();
            wallPostLoader.load(new URLRequest('http://drawity.risovaska.ru/vk/wall_post/' + parameters.post_id + '/'));
            wallPostLoader.addEventListener(Event.COMPLETE, function(evt:Event):void {
                var json:Object = (JSON.decode(wallPostLoader.data) as Object);
                var imageLoader:Loader = new Loader();
                var image:URLRequest = new URLRequest(json.image_url);
                imageLoader.load(image);
                addChild(imageLoader);
            });
        }
    }
}