Answer by easement for How do I make a "sticky menu" go back to it original class as I scroll back up?

maybe something along the lines of an else to restore the original classes.

<script type="text/javascript">        $(window).scroll(function () {         if (window.scrollY > 200) {           $("#top-bar").removeClass("nav-main").addClass("navbar-inner").addClass("navbar-fixed-top");         } else {           $("#top-bar").addClass("nav-main").removeClass("navbar-inner").removeClass("navbar-fixed-top");         }    });</script>