AS3 buton link verme

package 
{
    import fishbone.control.*;
    import fishbone.net.*;
    import fishbone.util.*;
    import flash.display.*;
    import flash.events.*;

    public class start_btn_sub extends Sprite
    {
        private var _mc:_bns_startbtn_sub;

        public function start_btn_sub()
        {
            this.addEventListener(Event.ADDED_TO_STAGE, this.init);
            return;
        }// end function

        private function init(event:Event) : void
        {
            this.removeEventListener(Event.ADDED_TO_STAGE, this.init);
            MainStage.init(this.stage);
            Host.init();
            this._mc = new _bns_startbtn_sub();
            MakeButton.btnMake(this._mc, this.onMouse);
            this.addChild(this._mc);
            return;
        }// end function

        private function onMouse(event:MouseEvent) : void
        {
            switch(event.type)
            {
                case MouseEvent.CLICK:
                {
                    GoWebpage.JsCall("startLauncher");
                    break;
                }
                case MouseEvent.MOUSE_OVER:
                {
                    MoveFrame.moveGo(this._mc);
                    break;
                }
                case MouseEvent.MOUSE_OUT:
                {
                    MoveFrame.moveGo(this._mc, -1);
                    break;
                }
                default:
                {
                    break;
                }
            }
            return;
        }// end function

    }
}