<html>
<head>
    <script>
        onload = function()
        {
            Object.defineProperty(Object.prototype, 10101010, {
                set: function (v) {
                    return 'a' + v;
                }
            });
            Object.defineProperty(Object.prototype, "cocoa", {
                set: function (v) {
                    return 'a' + v;
                }
            });
            parent.postMessage("finishedLoad", "*");
        }
    </script>
</head>
<body>
    Body
</body>
</html>