(function($) {

  $.fn.trigger2 = function(eventName) {
      return this.each(function() {
          var el = $(this).get(0);
          triggerNativeEvent(el, eventName);
      });
  };

  function triggerNativeEvent(el, eventName){
    if (el.fireEvent) { // < IE9
      (el.fireEvent('on' + eventName));
    } else {
      var evt = document.createEvent('Events');
      evt.initEvent(eventName, true, false);
      el.dispatchEvent(evt);
    }
}

}(jQuery));