='".$row[sj]."' and id<>".$row[id]." order by sj asc"); if($row1=mysql_fetch_array($res1)){$pre="".$row1[tit]."";}else{$pre="已是该分组下第一篇";} while1("*","epzhu_help where sj<='".$row[sj]."' and id<>".$row[id]." order by sj desc"); if($row1=mysql_fetch_array($res1)){$nex="".$row1[tit]."";}else{$nex="已是该分组下最后一篇";} ?> <br /> <b>Notice</b>: Use of undefined constant tit - assumed 'tit' in <b>E:\phpStudy\WWW\huzhan\help\view.php</b> on line <b>18</b><br /> <br /> <b>Notice</b>: Undefined variable: row in <b>E:\phpStudy\WWW\huzhan\help\view.php</b> on line <b>18</b><br /> - <br /> <b>Notice</b>: Use of undefined constant webname - assumed 'webname' in <b>E:\phpStudy\WWW\huzhan\help\view.php</b> on line <b>18</b><br /> webname