protected function get_content_div()
 {
     $div = new HTMLTags_Div();
     /*
      * Get the act id
      */
     if (isset($_GET['act_id'])) {
         $act_id = $_GET['act_id'];
     } elseif (isset($_GET['scene_id'])) {
         $act_id = Oedipus_DramaHelper::get_act_id_for_scene_id($_GET['scene_id']);
     } elseif (isset($_GET['frame_id'])) {
         $act_id = Oedipus_DramaHelper::get_act_id_for_frame_id($_GET['frame_id']);
     } else {
         $act_id = Oedipus_DramaHelper::get_first_act_id_for_drama_id($this->get_drama()->get_id());
     }
     /*
      *Get the Act
      */
     $act = $this->get_drama()->get_act($act_id);
     if ($this->get_drama()->is_editable()) {
         $act->make_editable();
     }
     /*
      *Get the Act Div
      */
     $div->append($this->get_act_div($act));
     return $div;
 }