<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<script>

function run()
{
  var a = getComputedStyle(document.getElementById("s1"), "").listStyleType;
  var b = getComputedStyle(document.getElementById("s3"), "").listStyleType;
}

</script>

<style type="text/css">

body { display: none } /* so we control the order of the ComputeListData calls */

#s1, #s2, #s3 { 
  -moz-image-region: auto;
  list-style-image: none;
  list-style-position: outside;
  list-style-type: disc;
}

#s2, #s3 {
  list-style-type: disc;
}

</style>
</head>

<body onload="run();">

<div id="s1"><div id="s2"><div id="s3"></div></div></div>

</body>
</html>