(function () {
  var _menu = $('#menu'),
      _newsletter = $('#newsletter-input'),
      _search = $('#search-input');

  function click_handler(e)
  {
    var clicked = $(e.target ? e.target : e.srcElement),
        li = clicked.parents('li:first'),
        submenu = clicked.next();

    if (clicked.get(0).tagName.toLowerCase() == 'a') {
      return true;
    }

    if (li.hasClass('selected')) {
      return false;
    }

    _menu.children('.selected').removeClass('selected');
    li.addClass('selected');
  }

  _menu.click(click_handler);
  new Input.Hint(_newsletter, 'podaj adres e-mail');
  new Input.Hint(_search, 'wpisz szukaną treść');

})();