简单问题???
<HTML>
<HEAD>
<TITLE>测试!</TITLE>
<script>
function ChangeItem(){ 如何 实现<option value="20" selected>20</option>或者<option value="0" selected >不好</option>
}
</script>
</HEAD>
<BODY onload=ChangeItem()>
<form name="form1" method="post" action="" ID="Form1">
<select name="select1"ChangeItem()" ID="Select1">
<option value="1">好</option>
<option value="0">不好</option>
</select>
<select name="select2" ID="Select2">
<option value="10" >10</option>
<option value="20">20</option>
<option value="30">30</option>
<option value="40">40</option>
</select>
</form>
</BODY>
</HTML>