   </style>
    <script src="/resources/testharness.js"></script>
    <script src="/resources/testharnessreport.js"></script>
  </head>
  <body>
    <div id=log></div>
    <div id=test><div id=test01>1</div><div id=test02>2</div><div id=test03>3</div></div>
    <script type="text/javascript">
        var t = async_test();
        t.step(function () {
            assert_equals(document.getElementById("test01").offsetTop, document.getElementById("test02").offsetTop, "Rectangle 1 and 2 have the same offsetTop 