1<!DOCTYPE html>
2
3<html>
4<head>
5    <style>
6        .container {
7            width: 700px;
8            height: 2000px;
9            margin: 0 auto;
10            background-color: silver;
11        }
12    </style>
13    <script>
14        function doTest()
15        {
16            window.scrollTo(0, 400);
17            window.resizeTo(1000, 600);
18        }
19        window.addEventListener('load', doTest, false);
20    </script>
21</head>
22<body>
23    <div class="container"></div>
24<pre id="layers">Layer tree goes here</p>
25</body>
26</html>
27