<html>
<head>
<script language="JavaScript" type="text/javascript">
<!--
function viewnone(e){
e.style.display=(e.style.display=="none")?"":"none";
}
//-->
</script>
</head>
<body>
<form>
<table width="100%" border="0" cellspacing="0" cellpadding="0">
<tr>
<td><input type="checkbox" name="checkbox" value="checkbox"
onClick="viewnone(test)">
開啓更多選填項</td>
</tr>
<tbody id="test" style="display:none ">
<tr>
<td>test</td>
</tr>