/**
  * Email a director decision comment.
  */
 function emailDirector()
 {
     $paperId = (int) Request::getUserVar('paperId');
     $directorId = (int) Request::getUserVar('directorId');
     $userDao =& DAORegistry::getDAO('UserDAO');
     $director =& $userDao->getUserByUserID($directorId, true);
     $trackSubmissionHandler = new TrackSubmissionHandler();
     $trackSubmissionHandler->validate($paperId);
     $submission =& $trackSubmissionHandler->submission;
     $this->setupTemplate(true);
     if (AuthorAction::emailDirector($submission, Request::getUserVar('send'), $director)) {
         Request::redirect(null, null, null, 'submissionReview', array($paperId));
     }
 }