When using a sortable where the container is an ordered list, the numbers get messed up. It looks like it adds a new list item to drag and hides the old one because if you have 1,2,3 and pick up 2, 1 and 3 will be there and 4 will be dragable.
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>test</title>
<script type="text/javascript" src="../scripts/jquery-1.2.1.js"></script>
<script type="text/javascript" src="../scripts/jquery-ui.js"></script>
</head>
<body>
<ol id="faqlist">
<li>abc</li>
<li>def</li>
<li>ghi</li>
</ol>
<script type="text/javascript">
$('#faqlist').sortable({
smooth: false
});
</script>
</body>
</html>