Isolating javascript navbars from page in NOF

Id really like to look at calling my nof created navbars into an HTML page.
Most of you are aware of the reasons for this, makes the content easier to
find for google etc as the html file is smaller. From what Ive seen, my
pages tend to get pretty big mainly because of NOFs javascript dropdown
menus. Is there any way to put this on the server and call it with some sort
of html code? Ive never done this before so if you have any instructions be
gentle...
Or, is there a better way, I know some of you use 3rd party navigation
systems, do any of those allow for this type of setup? How well do they
integrate with Nof? The current systems strongpoint is its power, you can do
practically anything with the navbars in nof right now, fairly easy to use
too, once you are familiar with it.