这样写：<html>
<head>
<title></title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312"><style type=text/css title="">
<--
body{font-size: 9pt;}
td{font-size: 9pt}
font{font-size:9pt}
input{font-size: 12; border-style: solid; border-width: 1; padding: 0;}
select{font-size: 9pt}
button{font-size: 12; border-style: solid;border-width: 1; padding: 0;}
a:link{ color: #FFFFFF; text-decoration: none}
a:visited{ color: #FFFFFF; text-decoration: none}
a:hover{ color: #FFFFFF; text-decoration: underline}
-->
</style></head>
<body bgcolor="#FFFFFF" text="#000000"><table width="600" border="2" cellspacing="0" cellpadding="0" align="center">
<tr>
<td bgcolor="#999999">
<table width="100%" border="0" cellspacing="2" cellpadding="2">
<tr>
<td><font color="#FFFFFF">E2ROM信息</font></td>
<td>
<div align="right"><font color="#FFFFFF"><a href="/help">帮助</a></font></div>
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td bgcolor="#CCCCCC">
<form name="setform" id="ook" method="post" action="cgi-bin">
<table width="70%" border="0" align="center" cellpadding="9" cellspacing="9">
<tr>
<td width="25%">
<table width="100%" border="1" cellspacing="1" cellpadding="2">
<tr>
<td>电口1、2状态</td>
</tr>
<tr>
<td>
<table width="100%" height="66" border="1" cellpadding="1" cellspacing="1">
<tr>
<td width="44%">DUP</td>
<td width="56%">SPD</td>
</tr>
<tr>
<td>
<span id="tb">
<table width="100%" border="0" cellspacing="1" cellpadding="7" >
<tr>
<td>
<input type="radio" name="r1" value="0" checked>
FULL</td>
</tr>
<tr>
<td>
<input type="radio" name="r1" value="1">
HALF</td>
</tr>
</table>
</span>
</td>
<td>
<table width="100%" border="0" cellspacing="1" cellpadding="3">
<tr>
<td>
<input type="radio" name="r2" value="0" onclick="chk(1)">
AUTO</td>
</tr>
<tr>
<td>
<input type="radio" name="r2" value="1" checked onclick="chk(0)">
100M</td>
</tr>
<tr>
<td>
<input type="radio" name="r2" value="2" onclick="chk(0)">
10M</td>
</tr>
</table>
</td>
</tr>
</table>
</td>
</tr>
</table>
</td>
<td width="25%">
<table width="100%" border="1" cellspacing="1" cellpadding="2">
<tr>
<td>光口1、2状态</td>
</tr>
<tr>
<td>
<table width="100%" height="66" border="1" cellpadding="1" cellspacing="1">
<tr>
<td width="50%">DUP</td>
<td width="50%">SPD</td>
</tr>
<tr>
<td>
<table width="100%" border="0" cellspacing="1" cellpadding="7">
<tr>
<td>
<input type="radio" checked>
FULL</td>
</tr>
<tr>
<td>
<input type="radio">
HALF</td>
</tr>
</table>
</td>
<td>
<table width="100%" border="0" cellspacing="1" cellpadding="3">
<tr>
<td>
<input type="radio">
AUTO</td>
</tr>
<tr>
<td>
<input type="radio" checked>
100M</td>
</tr>
<tr>
<td>
<input type="radio">
10M</td>
</tr>
</table>
</td>
</tr>
</table>
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td colspan="2" align="right">
<input type="submit" name="Submit2" value="更 改" >
<input type="reset" name="Reset" value="取 消" onClick="chk2()">
</td>
</tr>
</table>
</form>
<script language="javascript">
function chk(torf){
tb.disabled = torf;
}
function chk2(){
tb.disabled = false;
}function me(){
alert(String(document.setform.tb.defaultChecked.value));
// document.setform.reset;
}
</script>
</td>
</tr>
</table>
</body>
</html>
<head>
<title></title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312"><style type=text/css title="">
<--
body{font-size: 9pt;}
td{font-size: 9pt}
font{font-size:9pt}
input{font-size: 12; border-style: solid; border-width: 1; padding: 0;}
select{font-size: 9pt}
button{font-size: 12; border-style: solid;border-width: 1; padding: 0;}
a:link{ color: #FFFFFF; text-decoration: none}
a:visited{ color: #FFFFFF; text-decoration: none}
a:hover{ color: #FFFFFF; text-decoration: underline}
-->
</style></head>
<body bgcolor="#FFFFFF" text="#000000"><table width="600" border="2" cellspacing="0" cellpadding="0" align="center">
<tr>
<td bgcolor="#999999">
<table width="100%" border="0" cellspacing="2" cellpadding="2">
<tr>
<td><font color="#FFFFFF">E2ROM信息</font></td>
<td>
<div align="right"><font color="#FFFFFF"><a href="/help">帮助</a></font></div>
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td bgcolor="#CCCCCC">
<form name="setform" id="ook" method="post" action="cgi-bin">
<table width="70%" border="0" align="center" cellpadding="9" cellspacing="9">
<tr>
<td width="25%">
<table width="100%" border="1" cellspacing="1" cellpadding="2">
<tr>
<td>电口1、2状态</td>
</tr>
<tr>
<td>
<table width="100%" height="66" border="1" cellpadding="1" cellspacing="1">
<tr>
<td width="44%">DUP</td>
<td width="56%">SPD</td>
</tr>
<tr>
<td>
<span id="tb">
<table width="100%" border="0" cellspacing="1" cellpadding="7" >
<tr>
<td>
<input type="radio" name="r1" value="0" checked>
FULL</td>
</tr>
<tr>
<td>
<input type="radio" name="r1" value="1">
HALF</td>
</tr>
</table>
</span>
</td>
<td>
<table width="100%" border="0" cellspacing="1" cellpadding="3">
<tr>
<td>
<input type="radio" name="r2" value="0" onclick="chk(1)">
AUTO</td>
</tr>
<tr>
<td>
<input type="radio" name="r2" value="1" checked onclick="chk(0)">
100M</td>
</tr>
<tr>
<td>
<input type="radio" name="r2" value="2" onclick="chk(0)">
10M</td>
</tr>
</table>
</td>
</tr>
</table>
</td>
</tr>
</table>
</td>
<td width="25%">
<table width="100%" border="1" cellspacing="1" cellpadding="2">
<tr>
<td>光口1、2状态</td>
</tr>
<tr>
<td>
<table width="100%" height="66" border="1" cellpadding="1" cellspacing="1">
<tr>
<td width="50%">DUP</td>
<td width="50%">SPD</td>
</tr>
<tr>
<td>
<table width="100%" border="0" cellspacing="1" cellpadding="7">
<tr>
<td>
<input type="radio" checked>
FULL</td>
</tr>
<tr>
<td>
<input type="radio">
HALF</td>
</tr>
</table>
</td>
<td>
<table width="100%" border="0" cellspacing="1" cellpadding="3">
<tr>
<td>
<input type="radio">
AUTO</td>
</tr>
<tr>
<td>
<input type="radio" checked>
100M</td>
</tr>
<tr>
<td>
<input type="radio">
10M</td>
</tr>
</table>
</td>
</tr>
</table>
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td colspan="2" align="right">
<input type="submit" name="Submit2" value="更 改" >
<input type="reset" name="Reset" value="取 消" onClick="chk2()">
</td>
</tr>
</table>
</form>
<script language="javascript">
function chk(torf){
tb.disabled = torf;
}
function chk2(){
tb.disabled = false;
}function me(){
alert(String(document.setform.tb.defaultChecked.value));
// document.setform.reset;
}
</script>
</td>
</tr>
</table>
</body>
</html>
#tb input{jnkc:expression(this.disabled=document.setform.r2[0].checked)}
去掉JS中触发的程序。全部代码：<html>
<head>
<title></title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312"><style type=text/css title="">
<--
body{font-size: 9pt;}
td{font-size: 9pt}
font{font-size:9pt}
input{font-size: 12; border-style: solid; border-width: 1; padding: 0;}
select{font-size: 9pt}
button{font-size: 12; border-style: solid;border-width: 1; padding: 0;}
a:link{ color: #FFFFFF; text-decoration: none}
a:visited{ color: #FFFFFF; text-decoration: none}
a:hover{ color: #FFFFFF; text-decoration: underline}
#tb input{jnkc:expression(this.disabled=document.setform.r2[0].checked)}
-->
</style></head>
<body bgcolor="#FFFFFF" text="#000000"><table width="600" border="2" cellspacing="0" cellpadding="0" align="center">
<tr>
<td bgcolor="#999999">
<table width="100%" border="0" cellspacing="2" cellpadding="2">
<tr>
<td><font color="#FFFFFF">E2ROM信息</font></td>
<td>
<div align="right"><font color="#FFFFFF"><a href="/help">帮助</a></font></div>
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td bgcolor="#CCCCCC">
<form name="setform" id="ook" method="post" action="cgi-bin">
<table width="70%" border="0" align="center" cellpadding="9" cellspacing="9">
<tr>
<td width="25%">
<table width="100%" border="1" cellspacing="1" cellpadding="2">
<tr>
<td>电口1、2状态</td>
</tr>
<tr>
<td>
<table width="100%" height="66" border="1" cellpadding="1" cellspacing="1">
<tr>
<td width="44%">DUP</td>
<td width="56%">SPD</td>
</tr>
<tr>
<td>
<span id="tb">
<table width="100%" border="0" cellspacing="1" cellpadding="7" >
<tr>
<td>
<input type="radio" name="r1" value="0" checked>
FULL</td>
</tr>
<tr>
<td>
<input type="radio" name="r1" value="1">
HALF</td>
</tr>
</table>
</span>
</td>
<td>
<table width="100%" border="0" cellspacing="1" cellpadding="3">
<tr>
<td>
<input type="radio" name="r2" value="0">
AUTO</td>
</tr>
<tr>
<td>
<input type="radio" name="r2" value="1" checked>
100M</td>
</tr>
<tr>
<td>
<input type="radio" name="r2" value="2">
10M</td>
</tr>
</table>
</td>
</tr>
</table>
</td>
</tr>
</table>
</td>
<td width="25%">
<table width="100%" border="1" cellspacing="1" cellpadding="2">
<tr>
<td>光口1、2状态</td>
</tr>
<tr>
<td>
<table width="100%" height="66" border="1" cellpadding="1" cellspacing="1">
<tr>
<td width="50%">DUP</td>
<td width="50%">SPD</td>
</tr>
<tr>
<td>
<table width="100%" border="0" cellspacing="1" cellpadding="7">
<tr>
<td>
<input type="radio" checked>
FULL</td>
</tr>
<tr>
<td>
<input type="radio">
HALF</td>
</tr>
</table>
</td>
<td>
<table width="100%" border="0" cellspacing="1" cellpadding="3">
<tr>
<td>
<input type="radio">
AUTO</td>
</tr>
<tr>
<td>
<input type="radio" checked>
100M</td>
</tr>
<tr>
<td>
<input type="radio">
10M</td>
</tr>
</table>
</td>
</tr>
</table>
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td colspan="2" align="right">
<input type="submit" name="Submit2" value="更 改" >
<input type="reset" name="Reset" value="取 消">
</td>
</tr>
</table>
</form>
<script language="javascript">
function me(){
alert(String(document.setform.tb.defaultChecked.value));
// document.setform.reset;
}
</script>
</td>
</tr>
</table>
</body>
</html>