<script>
function scrollFrame()
{
    var frame = document.getElementById("frame");
    frame.style.position.top = document.documentElement.clientHeight - 100;
    frame.style.position.left = 0;

    var location = 220;
    var id = setInterval(function() {
        if (location > 260) {
            clearInterval(id);
            testRunner.notifyDone();
        }

        document.getElementById("frame").contentWindow.scrollTo(0, location);
        location += 5;
    }, 100);
}
testRunner.waitUntilDone();
</script>
<body onload="scrollFrame();">
<iframe id="frame" style="position:absolute; top:400px; left: 0px; width:500; height:200;" src="resources/scrolling-iframe-out-of-viewport-interior.html"/>
</body>