<!DOCTYPE html>
<html>
<head>
<script>
function performTest()
{
    var li = document.getElementsByTagName("LI")[3];
    Hierarchy_ensureValidHierarchy(li,true);
}
</script>
</head>
<body>

<b><i><u><ul><li>Item 1</li></ul><ol><li>Item 2</li></ol><p>Sample text</p><ul><li>Item 3</li></ul><ol><li>Item 4</li></ol></u></i></b>

</body>
</html>