<head>
<script>
function runTest()
{
if (window.testRunner)
testRunner.waitUntilDone();
scrollBy(0, 100);
}
function handleScroll()
{
var target = document.getElementById("target");
target.style.backgroundColor = "green";
if (window.testRunner)
testRunner.notifyDone();
}
</script>
</head>
<body onload="runTest()" onscroll="handleScroll()" style="height: 200%;">
<div id="target" style="position: absolute; top: 300px; left: 300px; background-color: red; width: 100px; height: 100px;"></div>
</body>