scroll to -- @simonbusborg

scroll-to.jquery.js

    // scroll to div
    $(function($){
       $('a.nav').click(function() {
            var $this = $(this),
              _href = $this.attr('href'),
                  dest  = $(_href).offset().top;
                $("html:not(:animated),body:not(:animated)").animate({  scrollTop: dest}, 400 );
            return false;
        });
    });