Non so se ti potrà essere utile....

codice:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>
<head>
<title>Untitled</title>
<script language="JavaScript" type="text/javascript">
<!--
function cancel() {
 srcElem = event.srcElement;
 if (srcElem.tagName == 'INPUT' && srcElem.type=='button') {
  if (srcElem.name.substr(0,3) == "btn") {
   srcElem.click();
	 return;
  } // if (srcElem.name.substr(0,3) == "btn")
 } // if (srcElem.tagName == 'INPUT' && srcElem.type=='button')
 alert('cancel');
} // function cancel() 

function pippo(anObj) {
 alert(anObj.name);
}
//-->
</script>

</head>
<body>
<table summary="" border="1">
<tr onclick="cancel()">
<td><input name="btn001" type="button" value="clicca" onclick="pippo(this)"></td>
<td><input name="btn002" type="button" value="clicca" onclick="pippo(this)"></td>
<td><input name="btn003" type="button" value="clicca" onclick="pippo(this)"></td>
<td><input name="btn004" type="button" value="clicca" onclick="pippo(this)"></td>
<td>CLICCA QUI</td>

</tr>
</table>
</body>
</html>