<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=euc-kr">
<title>script </title>
</head>

<body>
<input type="button" value=" 추가하기 " onclick="addNewOption()">
<select id="oSelect">
<option>이곳에 옵션 항목이 추가 됩니다
</select>

<script>
<!--
var optionNo = 0;
function addNewOption() {
optionNo += 1;
oNewOption = new Option();
oNewOption.text = "옵션 : " + optionNo;
oSelect.add(oNewOption, 1);
}
// -->
</script>


</body>
</html>