Smooth Scroll Jquery.js

 $('.menu a[href*="#"]:not([href="#"])').on("click" , function() {
      if (location.pathname.replace(/^\//, '') == this.pathname.replace(/^\//, '') && location.hostname == this.hostname) {
          var target = $(this.hash);
          target = target.length ? target : $('[name=' + this.hash.slice(1) + ']');
          if (target.length) {
              $('html, body').animate({
                  scrollTop: target.offset().top
              }, 1000);
              return false;
          }
      }
});