public function notifyNewArgument(Question $q, Argument $a)
 {
     global $sDB, $sTimer, $sTemplate;
     $sTimer->start("notifyNewArgument");
     $res = $sDB->exec("SELECT `notifications`.`userId`, `notifications`.`flags`, `users`.`email`, `users`.`userName` FROM `notifications`\n                           LEFT JOIN `users` ON `users`.`userId` = `notifications`.`userId`\n                           WHERE `questionId` = '" . i($q->questionId()) . "';");
     while ($row = mysql_fetch_object($res)) {
         // no notifications for our own arguments.
         /*if($a->userId() == $row->userId)
           {
               continue;
           }*/
         $uId = new BaseConvert($row->userId);
         $qId = new BaseConvert($q->questionId());
         $profileUrl = $sTemplate->getShortUrlBase() . "u" . $uId->val();
         $unfollowUrl = $sTemplate->getShortUrlBase() . "f" . $qId->val();
         $url = $a->shortUrl();
         if (!SHORTURL_BASE) {
             $profileUrl = $sTemplate->getRoot() . "user/" . $row->userId . "/";
             $unfollowUrl = $sTemplate->getRoot() . "unfollow.php?qId=" . $q->questionId();
             $url = $a->fullurl();
         }
         $subject = $sTemplate->getString("NOTIFICATION_NEW_ARGUMENT_SUBJECT");
         $message = $sTemplate->getString("NOTIFICATION_NEW_ARGUMENT_BODY", array("[USERNAME]", "[AUTHOR]", "[URL]", "[QUESTION]", "[ARGUMENT]", "[UNFOLLOW_URL]", "[PROFILE_URL]"), array($row->userName, $a->author(), $url, $q->title(), $a->headline(), $unfollowUrl, $profileUrl));
         $this->sendMail($row->email, "", $subject, $message);
     }
     $sTimer->stop("notifyNewArgument");
 }