E perche non puoi mettere una <a> dentro la cella ?
Comunque....
codice:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>Untitled</title>
<style type="text/css">
<!--
.hidden {position:absolute;left:-1000;top:-1000}
-->
</style>
<script language="JavaScript" type="text/javascript">
<!--
function sendTo() {
document.getElementById('pippo').click();
}
//-->
</script>
</head>
<body>
<table summary="">
<tr>
<td onclick="sendTo()">clicca qui</td>
</tr>
</table>
</body>
</html>