anchor.diff:      .page-header
         h1 Device List
       .container
  -      #navTabs.ul.nav.nav-tabs
  +      ul(class="nav nav-tabs")
           each group,group_id in device_types
             if group_id != 0
               li
  
positive.code:                 "sLengthMenu": "_MENU_ records per page"
                }
              });
            });       
    script(type='text/javascript').
      $('#navTabs a:first').tab('show')
  
negative.code:     if group_id != 0
          script(type='text/javascript').
            $('#groupid_#{group.devtype_group_id} a').click(function (e) {
              e.preventDefault()
              $(this).tab('show')
            });
  
          script(type='text/javascript').
            $(document).ready(function() {
  