<html>
<head>
<style type="text/css">
tr.coll
{
visibility:collapse
}
</style>
</head>
<body>
<table border="1">
<tr>
<td>Adams</td>
<td>John</td>
</tr>
<tr class="coll">
<td>Bush</td>
<td>George</td>
</table>
</body>
</html>