document.write('<div class=\'msgper\'><p><span style=\'font-weight:bold;\'>上一篇：</span><a id=\'prevSet\' href=\'/msg.php?MsgId=36543\' target=\'_parent\'>第九课：青春期性心理发育特点</a></p></div><div class=\'msgnext\'><p><span style=\'font-weight:bold;\'>下一篇：</span><a id=\'prevSet\' href=\'/msg.php?MsgId=36541\' target=\'_parent\'>第七课：青春期如何面对孩子的“疏远”</a></p></div>');