Selected answers from the Dumb SEO Questions G+ community.
Tino Triste: As a rule of thumb if JS menus, tabs, sliders, etc aren't visible with JS turned off. They're not seo friendly, I would find another script.
Shawn Cohen: Oddly enough, the main navbar isn't JS but the slider bar and a secondary dropdown menu is. I think we'll leave it for now since the linked pages are ranking--but thanks for your help!