function addnewAction($system_id)
 {
     $system = Systems::findFirstById($system_id);
     $last_version_date = Versions::last_version_date();
     $last_version = Versions::last_version();
     $activities = Activities::find(array("date > '{$last_version_date}' "));
     $form = new VersionsForm();
     $this->view->system = $system;
     $this->view->last_version_date = $last_version_date;
     $this->view->last_version = $last_version;
     $this->view->activities = $activities;
     $this->view->form = $form;
 }