<html>
<head>
</head>
<body>
<table width="400" valign="top" border="1">
<tr>
<td>111</td>
<td>222</td>
</tr>
<tr>
<td>333</td>
<td>444</td>
</tr>
</table>
<br>
<table width="400" valign="top" border="1">
<tr>
<td>555</td>
<td>666</td>
</tr>
<tr>
<td>777</td>
<td>888</td>
</tr>
</table>
<br>
<input type="button" value="displayNoNe" onclick="displayNoNe()">
<script type="text/javascript">
function displayNoNe() {
var elems = document.getElementsByTagName('table');
for (i=0; i < elems.length; i++) {
if (elems[i].width == 400 && elems[i].getAttribute('valign') == 'top') {
elems[i].style.display = 'none';
break;
}
}
}
</script>
</body>
</html>