docshell/test/file_bug640387.html

<html>
<body onhashchange='hashchange()' onload='load()' onpopstate='popstate()'>

<script>
function hashchange() {
  var f = (opener || parent).childHashchange;
  if (f)
    f();
}

function load() {
  var f = (opener || parent).childLoad;
  if (f)
    f();
}

function popstate() {
  var f = (opener || parent).childPopstate;
  if (f)
    f();
}
</script>

Not much to see here...
</body>
</html>