<html>
<head>
<script>

function pageLoaded()
{
    alert("load event handler called.");
}

function pageUnloaded()
{
    alert("unload event handler called.");
}

window.addEventListener("load", pageLoaded, false);
window.addEventListener("unload", pageUnloaded, false);

</script>
<body>
<a href="http://www.webkit.org/">Click for WebKit</a>
</body>
</html>