stop();
addEventListener(Event.ENTER_FRAME, loading);
function loading(event:Event) {
        var bytestotal=stage.loaderInfo.bytesTotal;
        var bytesloaded=stage.loaderInfo.bytesLoaded;
        var sclbar=Math.round(bytesloaded*100/bytestotal);
        custom_animation.gotoAndPlay(sclbar);
        if (bytesloaded>=bytestotal) {
                removeEventListener(Event.ENTER_FRAME, loading);
                removeChild(custom_animation);
                gotoAndStop(2);
        }
}