<html>
<body>
<script>
    function imageLoad() {
        var img = new Image(1, 1);
        // We're using a redirect here because it guarantees that if we're
        // receiving callbacks in a detached Frame, we'll acceess members
        // that are now invalid (e.g., DocumentLoaders).
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        document.getElementsByTagName("body")[0].appendChild(img);
        window.top.finish();
    }
</script>
<iframe src="subframe-with-unload-handler-in-parent.html">
</body>
</html>
