(function($) {

  $(function() {

    /* toggle evn radio buttons */
    var toggleEvnRadios = function() {
      if ($(".itemisedBill").length > 0) {
        var evnSetting = $(".itemisedBill input[type=radio]:checked").attr("class");
        $("#evnInputHintPrivate span").hide();
        $("#evnInputHintPrivate ." + evnSetting).show();
      }
    };
    $(".itemisedBill input[type=radio]").each(toggleEvnRadios).change(toggleEvnRadios);

  });

})(jQuery);