(function( $ ){
  var d = 'a.menu, .dropdown-toggle'
  function clearMenus() {
    $(d).parent('li').removeClass('open')
  }
  $(function () {
    $('html').bind("click", clearMenus)
    $('body').dropdown( '[data-dropdown] a.menu, [data-dropdown] .dropdown-toggle' )
  })
  $.fn.dropdown = function ( selector ) {
    return this.each(function () {
      $(this).delegate(selector || d, 'click', function (e) {
        var li = $(this).parent('li')
          , isActive = li.hasClass('open')
        clearMenus()
        !isActive && li.toggleClass('open')
        return false
      })
    })
  }

})( window.jQuery || window.ender )