Så må du vist lave en fejl :)
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"
http://www.w3.org/TR/html4/loose.dtd"><html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<title>TITLE</title>
<style type="text/css">
body, html {
height: 100%;
margin: 0px;
padding: 0px;
}
</style>
<script type="text/JavaScript">
function getPos (elm) {
for(var zx=zy=0;elm!=null;zx+=elm.offsetLeft,zy+=elm.offsetTop,elm=elm.offsetParent);
return {x:zx,y:zy};
}
function getCoords(id) {
var dims = getPos( document.getElementById(id) );
alert("X: " + dims.x);
alert("Y: " + dims.y);
}
</script>
</head>
<body>
<table id="hest" style="margin:233px 156px" cellspacing="0" cellpadding="0" border="1">
<tr>
<td>jkjlkj lkj lkjlkj lkj</td>
<td>jkjlkj lkj lkjlkj lkj</td>
</tr>
<tr>
<td>jkjlkj lkj lkjlkj lkj</td>
<td>jkjlkj lkj lkjlkj lkj</td>
</tr>
</table>
<button onclick="getCoords('hest')">TEST</button>
</body>
</html>