<script>
                        $(document).ready(function() {
                            var stickyNavTop = 100;
                            var stickyNav = function() {
                                var scrollTop = $(window).scrollTop();
                                if (scrollTop > stickyNavTop) {
                                    $('.navbar').addClass('sticky');
                                } else {
                                    $('.navbar').removeClass('sticky');
                                }
                            };
                            stickyNav();
                            $(window).scroll(function() {
                                stickyNav();
                            });
                        });

                    </script>