<dd>
 <? 
 if (strlen($CN) == 4) {
 $query=$db->query("select * from ".$LG->table("arclass")." where menunumber like '".substr($CN,0,4)."%' and level=2 order by sortnum desc,id desc limit 10");
 }else{
 $query=$db->query("select * from ".$LG->table("arclass")." where menunumber like '".$CN."%' and level=3 order by sortnum desc,id desc limit 10");
 } 
 while($rs=$db->fetchrow($query)){
 ?>
 <a href="<? echo getcurl($rs["id"]);?>"><? echo $rs["menuname"];?></a>
  <? }?>
 </dd>