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<html>
<body>
<iframe id="inner" style="height: 10px; width: 10px"></iframe>
<div style="width: 1000px; height: 1000px"></div>
<script type="application/javascript;version=1.8">
function grabEventAndGo(event) {
  gen.send(event);
}

function waitAsync() {
  setTimeout(function() { gen.next() }, 0);
}

function postPos() {
  parent.postMessage(JSON.stringify({ top: document.body.scrollTop,
                                      left: document.body.scrollLeft }),
                     "*");
}

function runTest() {
  var inner = document.getElementById("inner");
  window.onload = grabEventAndGo;
  // Wait for onLoad event.
  yield;

  document.body.scrollTop = 300;
  document.body.scrollLeft = 300;

  postPos();

  inner.src = "bug583889_inner2.html#id1";
  inner.onload = grabEventAndGo;
  // Let parent process sent message.
  // Wait for onLoad event from 'inner' iframe.
  yield;

  postPos();

  inner.onload = null;
  dump("hi\n");
  inner.contentWindow.location = "bug583889_inner2.html#id2"
  waitAsync();
  // Let parent process sent message.
  // Let 'inner' iframe update itself.
  yield;

  postPos();

  inner.contentWindow.location.hash = "#id3"
  waitAsync();
  // Let parent process sent message.
  // Let 'inner' iframe update itself.
  yield;

  postPos();

  parent.postMessage("done", "*");
  // Let parent process sent messages.
  // "End" generator.
  yield;
}

var gen = runTest();
gen.next();
</script>
</body>
</html>