<form name=frm>
<input name="bean.mc">
</form>
<script>
document.frm.elements["bean.mc"].value="**"
</script>
<input name="bean.mc">
</form>
<script>
document.frm.elements["bean.mc"].value="**"
</script>
调试欢乐多
<script>
alert(document.all("bean.mc").value);
</script>