create window in flash

function addWin() {
    var winListener:Object = new Object();
    winListener.click = function() {
        window.removeMovieClip();
    };
    window.addEventListener("click", winListener);
}
btn.onRelease = function() {
    attachMovie("window", "window", 2, {_x:100, _y:60, _width:350, _height:266});
    this._parent.window.closeButton = true;
    addWin();
};