function makeShowAsLink($targetValue, $currentValue)
{
$msg = htmlspecialchars(CategoryTree::msg("show-{$targetValue}"));
if ($targetValue == $currentValue) {
return "<strong>{$msg}</strong>";
} else {
return $this->getSkin()->makeKnownLinkObj($this->title, $msg, "showas={$targetValue}");
}
}