function showLatestApprovedVersion()
 {
     global $ID;
     $revision = $this->hlp->getRevision();
     $latestApprovedRevision = $this->hlp->getLatestApprovedRevision();
     if ($latestApprovedRevision <= $revision) {
         return;
     }
     $latestRevision = $this->hlp->getLastestRevision();
     if ($latestApprovedRevision == $latestRevision) {
         //$latestApprovedRevision = '';
     }
     echo '<span class="approval_outdated">';
     printf($this->getLang('apr_outdated'), wl($ID, 'rev=' . $latestApprovedRevision));
     echo $this->difflink($ID, $latestApprovedRevision, $revision) . '</span>';
 }