<body>
<table border="0" width="100%">
<tr>
<td width="100%" id="td01">aaaa</td>
</tr>
<tr>
<td width="100%" id="td02">bbbb</td>
</tr>
<tr>
<td width="100%" id="td03">eeee</td>
</tr>
<tr>
<td width="100%" id="td04">dddd</td>
</tr>
</table>
</body>
<script language="javascript">
document.all.td01.style.display = "none";
document.all.td02.style.display = "none";
</script>
<table border="0" width="100%">
<tr>
<td width="100%" id="td01">aaaa</td>
</tr>
<tr>
<td width="100%" id="td02">bbbb</td>
</tr>
<tr>
<td width="100%" id="td03">eeee</td>
</tr>
<tr>
<td width="100%" id="td04">dddd</td>
</tr>
</table>
</body>
<script language="javascript">
document.all.td01.style.display = "none";
document.all.td02.style.display = "none";
</script>
<input type="button" value="enter" onclick=c();>
<table border="0" width="100%">
<tr>
<td width="100%" id="td01">aaaa</td>
</tr>
<tr>
<td width="100%" id="td02">bbbb</td>
</tr>
<tr>
<td width="100%" id="td03">eeee</td>
</tr>
<tr>
<td width="100%" id="td04">dddd</td>
</tr>
</table>
</body>
<script language="javascript">
var i = 1;
function c()
{
if(i==1)
{
document.all.td01.style.display = "none";
document.all.td02.style.display = "none";
i = -i;
}
else
{
document.all.td01.style.display = "";
document.all.td02.style.display = "";
i = -i;
}
}
</script>
<td width="100%" id="td03">eeee</td>
</tr>
<tr>
<td width="100%" id="td04">dddd</td>
</tr>
<td width="100%">aaaa</td>
</tr>
<tr id="td02">
<td width="100%">bbbb</td>
</tr>
function disappear(){
with(document.all){
tr1.style.display="none"; }
}
function change(){
with(document.all){
tr1.style.display="block"; }
}
</script>
<tr>
<td>是否有图片:</td>
<td><input type="radio" name="radio1" value="1" onClick="change()">
有
<input type="radio" name="radio1" value="0" onclick="disappear()">否</td>
</tr>
<tr style="display:none" id="tr1">
<td> 图片名称:</td>
<input name="pic" type="text"></td>
</tr>
<input name="pic" type="text"></td>
双刃其实是给了你提示了,你把 id="td01"移到tr那里就可以得到你的效果了。也该给分人吧。
自己不愿意去想,纯粹想得到答案,这种是学习的态度吗