trying to save navigation when clicking on final node's link

gistfile1.js

    <script type="text/javascript" charset="utf-8"> 
      $(function() {       
        {% if item.root? %} 
          $.jStorage.flush();
        {% endif %}
        
        $('#nav').columnview({
           preview: function(element) {
             $.jStorage.flush();
            if($.browser.msie) {
               active1 = $("li").find(".active").first().text();
               active2 = $("li").find(".active").last().text();
               $.jStorage.set('inpath1', active1 );
               $.jStorage.set('inpath2', active2 );
             } else {
               $.jStorage.set('inpath1', $('a.inpath').first().text());
               $.jStorage.set('inpath2', $('a.inpath').last().text());
             }
             element.click();
           }
        });
  
        if($.jStorage.get('inpath1')) {
          $("a:contains("+$.jStorage.get('inpath1')+")").click();
          $("a:contains("+$.jStorage.get('inpath2')+")").click();
          $("a:contains("+$.jStorage.get('inpath1')+")").addClass('active');
          $("a[href='{{ item.path }}']").addClass('active');
        }
        
       });
    
    </script>