var fileReference:FileReference = new FileReference();

 

function btn_click(evt:MouseEvent){

        var arr:Array = [];

        arr.push(new FileFilter("Images", ".gif;*.jpeg;*.jpg;*.png"));

        fileReference.browse(arr);

}

 

function fileReference_select(evt:Event){

        fileReference.load();

}

 

function fileReference_complete(evt:Event){

        var loader:Loader = new Loader();

        loader.loadBytes(fileReference.data);

        var cl:MovieClip = new MovieClip();

        cl.addChild(loader); 

        addChild(cl);

}

 

btnAdd.addEventListener(MouseEvent.CLICK, btn_click);

fileReference.addEventListener(Event.SELECT,   fileReference_select);

fileReference.addEventListener(Event.COMPLETE, fileReference_complete);