织梦调用当前栏目的顶级栏目的办法

01	function GetTopTypeName($typeid)
02	{
03	    global $dsql;
04	    $typeRow =  $dsql->GetOne("SELECT typename,topid FROM dede_arctype WHERE id= $typeid");
05	     if ($typeRow['topid'] == '0')
06	    {
07	        return $typeRow['typename'];
08	    }
09	    else
10	    {
11	        $typeRow1 = $dsql->GetOne("SELECT typename FROM dede_arctype WHERE id= $typeRow[topid]");
12	        return $typeRow1['typename'];
13	    }
14	}