           fireman_availability:
             "fireman_id"   : fireman_id
             "availability" : date
+        beforeSend: ->
+          eventDiv.html('Chargement...')
         success : (data) ->
           new_event =
             title: ""

    dayClick : (date, jsEvent, view) ->
      date = moment.tz(date.format(), "Europe/Paris").format()
      return if(new Date(date) <= new Date())
      $.ajax({
        type: 'POST'
        url: '/firemen/' + fireman_id + '/fireman_availabilities'

        data:
          fireman_availability:
            "fireman_id"   : fireman_id
            "availability" : moment.tz(currentDay.format(), "Europe/Paris").format()
        success : (data) ->
          $('#calendar').fullCalendar('refetchEvents')
      })
