alivedise/index.html

## index.html
<!DOCTYPE html>
<html manifest="manifest.appcache">
  <head>
    <meta charset="utf-8">
    <meta http-equiv="pragma" content="no-cache">
    <!-- System -->
    <script>

    </script>
  </head>
  <body>
  Hi!!!

  <iframe id="frame" mozbrowser src="data:text/html,<button onclick=alert('hi')>press me!</button>">
  </iframe>

  <script>
  window.onload = function () {
    document.getElementById('frame').addEventListener(
      'mozbrowsershowmodalprompt',
      function (evt) {
dump('==== got it!!');
        evt.preventDefault();
      }
    );
  };
  </script>
  </body>
</html>
	<!DOCTYPE html>
	<html manifest="manifest.appcache">
	<head>
	<meta charset="utf-8">
	<meta http-equiv="pragma" content="no-cache">
	<!-- System -->
	<script>

	</script>
	</head>
	<body>
	Hi!!!

	<iframe id="frame" mozbrowser src="data:text/html,<button onclick=alert('hi')>press me!</button>">
	</iframe>

	<script>
	window.onload = function () {
	document.getElementById('frame').addEventListener(
	'mozbrowsershowmodalprompt',
	function (evt) {
	dump('==== got it!!');
	evt.preventDefault();
	}
	);
	};
	</script>
	</body>
	</html>