Preloader for Shared Library

programming flash
1

Hi friends,
How can i pre-load external shared library file with a loading bar??

I am using a pre-loader , can some add some extra code which require to load the external shared library into this preloader???

code

onClipEvent (load)
{
    total = _root.getBytesTotal();
}
onClipEvent (enterFrame)
{
    loaded = _root.getBytesLoaded();
    percent = int(loaded / total * 100);
    text = percent + "%";
    gotoAndStop(percent);
    if (loaded == total)
    {
        _root.gotoAndPlay(2);
    } // end if
}