<script>
(function($) {
    $(document).ready(function() {
        var address = window.location.href,
            links = $('#top-menu li a');
        function changeurl(menu_link) {
            var new_url = address + menu_link;
            window.history.pushState("data","Title",new_url);
        }
        links.each(function(){
            $(this).click(function(){
                var scroll_to = $(this).attr("href");
                changeurl(scroll_to);
            });
        });
    });
})(jQuery);
</script>