probabilmente intendi usando le proprieta' dell' oggetto event
cmq questo mi risulta funzionare
codice:
<html>
<head>
<title>coordinate assolute elemento in flusso html</title>
<style type="text/css">
<!--
table {
border-collapse:collapse;
height:2000px;
width:800px;
}
td {
height:500px;
text-align:center;
}
-->
</style>
<script language="JavaScript" type="text/javascript">
<!--
function getPageCoords(element){
var coords = {x: 0, y: 0};
while (element) {
coords.x += element.offsetLeft;
coords.y += element.offsetTop;
element = element.offsetParent;
}
return coords;
}
function posizione(idx){
var p=getPageCoords(document.getElementById(idx));
alert(p.x+','+p.y);
}
//-->
</script>
</head>
<body>
<table>
<tbody>
<tr>
<td>
link 1
</td>
</tr>
<tr>
<td>
link 2
</td>
</tr>
<tr>
<td>
link 3
</td>
</tr>
<tr>
<td>
link 4
</td>
</tr>
</tbody>
</table>
</body>
</html>
ciao