<script language="JavaScript">
<!--
function jumpurl(){
//同一頁
//window.location.href = document.formurl.selectjump.value;
//New Window
window.open(document.formurl.selectjump.value);
}
//->
</script>

<form name="formurl" method="post" action="">
<select name="selectjump" onChange="jumpurl()">
<option value="http://www.kimo.com.tw/" selected>1</option>
<option value="http://www.apol.com.tw/">2</option>
<option value="http://www.hinet.net/">3</option>
</select>
</form>

---