Untitled

<script type="text/javascript" src="http://www.google.com/jsapi"></script>
<script type="text/javascript">

  google.load("jquery", "1.4.1");

  google.setOnLoadCallback(function() {
        $(window).unload(function(e) {
          alert('Handler for .unload() called.');
          return false;  // this doesn't do squat--browser will keep on going
        });
  });
</script>

<form action="http://google.com">
        <p>this is a form</p>
        <input type="submit" text="Submit" />
</form>

<a href="http://google.com">google.com</a>