mcavalon,
Вариант ...
<!DOCTYPE HTML>
<html>
<head>
</head>
<body>
<table border="1" bordercolor="#000000" width="100" height="100">
<tr>
<td>1</td>
<td><div>11</div></td>
</tr>
<tr>
<td>2</td>
<td><div>22</div></td>
</tr>
</table>
<script type="text/javascript">
divs = document.body.getElementsByTagName('div')
for (var i=0; i<divs.length; i++) {
var parent = divs[i].parentNode;
divs[i].style.display = "none"
parent.style.display = "none"
}
</script>
</body>
</html>