在线问:为什么
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
</HEAD>
<BODY>
<form name="formPro">
<select name="tbxCS" style="width:200" size=1 >
<option>链接查询<option>链接增加<option>链接修改<option>链接删除</select></td>
<td align="LEFT">
<input type=button value=value onclick=cdm()>
</form>
<script language="javascript">
function cdm()
{
var NowCdm;
NowCdm=formPro.tbxCS.text;
alert(NowCdm)
}
</script>
</BODY>
</HTML>