tiho,
<!DOCTYPE HTML>
<html>
<head>
<title>Untitled</title>
<meta charset="utf-8">
<script src="http://code.jquery.com/jquery-1.9.1.js"></script>
<script src="http://code.jquery.com/ui/1.10.3/jquery-ui.js"></script>
<script>
$(document).ready(function(){
$( "#cp-container" ).position({
my: "right",
at: "right",
of: ".sidebar-right"
});
})
</script>
</head>
<body>
<table>
<tr><td class="sidebar-right">1234567</td></tr>
</table>
<div id="cp-container">----------</div>
</body>
</html>