<a target="_blank" href="http://blog.51cto.com/attachment/201207/110706821.jpg"></a>
<html>
<head>
<script type="text/javascript">
<!--
function my_change()
{
if(document.getElementById("select_id").value==0)
{
document.getElementById("text1").disabled=true;
document.getElementById("text2").disabled=false;
document.getElementById("text3").disabled=true;
document.getElementById("text1").style.backgroundColor="#e9e9e9";
document.getElementById("text2").style.backgroundColor="#FFF";
document.getElementById("text3").style.backgroundColor="#e9e9e9";
}
else if(document.getElementById("select_id").value==1)
document.getElementById("text1").disabled=false;
document.getElementById("text2").disabled=true;
document.getElementById("text1").style.backgroundColor="#FFF";
document.getElementById("text2").style.backgroundColor="#e9e9e9";
else
document.getElementById("text3").disabled=false;
document.getElementById("text3").style.backgroundColor="#FFF";
}
//-->
</script>
</head>
<body onLoad="my_change();">
<table>
<tr>
<td>
<select id="select_id" name="select_id" onChange="my_change();">
<option value="0">0</option>
<option value="1">1</option>
<option value="2">2</option>
</select>
</td>
</tr>
<td><input type="text" id="text1" name="text1"/></td>
<td><input type="text" id="text2" name="text2"/></td>
<td><input type="text" id="text3" name="text3"/></td>
</table>
</body>
</html>
本文转自许琴 51CTO博客,原文链接:http://blog.51cto.com/xuqin/942954,如需转载请自行联系原作者