execute.coffee

  execute: (form_id, success_proc, fail_proc) ->
    $form_obj = $(form_id)
    _url = $form_obj.attr('action')
    _type = $form_obj.attr('method')
    _data = new FormData($form_obj[0])

    $.ajax
      type: _type
      url: _url
      processData: false
      contentType: false
      dataType: 'json'
      data: _data
    .done (res) ->
      return success_proc(res)
    .fail ->
      return fail_proc()
    return