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分享一个很急的javascript问题，请大家帮忙，谢谢！！！
我想通过javascript变化text框的底色，该怎么做呢？
<script language='javascript'>
function re_color(){
document.frmList.T1.style="background-color: #C0C0C0";
}
</script>
</head>
<body>
<form name='frmList' method="POST">
<p><select size="1" name="sel_color" style="background-color: #C0C0C0" onChange="re_color()">
<option selected>select color</option>
<option value="red">red</option>
<option value="black">black</option>
<option value="blue">blue</option>
</select><input type="text" name="T1" size="20" style="background-color: #008000"></p>
</form>
</body>
<script language='javascript'>
function re_color(){
document.frmList.T1.style="background-color: #C0C0C0";
}
</script>
</head>
<body>
<form name='frmList' method="POST">
<p><select size="1" name="sel_color" style="background-color: #C0C0C0" onChange="re_color()">
<option selected>select color</option>
<option value="red">red</option>
<option value="black">black</option>
<option value="blue">blue</option>
</select><input type="text" name="T1" size="20" style="background-color: #008000"></p>
</form>
</body>
...全文
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