martenlienen/gist:1347359

## gistfile1.html
<!DOCTYPE html>
<html>
	<head>
		<title></title>
		<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
		<script type="text/javascript">
			window.onload = function () {
				var x = document.getElementById("x");
				var y = document.getElementById("y");

				x.addEventListener("click", function(e){alert("y0");}, false);
			};
		</script>
	</head>
	<body>
		<div id="x" style="width:100px;height:100px">
			<div id="y" style="width:100px;height:100px">
				<input type="button" value="cl1ck me" />
			</div>
		</div>
	</body>
</html>
	<!DOCTYPE html>
	<html>
	<head>
	<title></title>
	<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
	<script type="text/javascript">
	window.onload = function () {
	var x = document.getElementById("x");
	var y = document.getElementById("y");

	x.addEventListener("click", function(e){alert("y0");}, false);
	};
	</script>
	</head>
	<body>
	<div id="x" style="width:100px;height:100px">
	<div id="y" style="width:100px;height:100px">
	<input type="button" value="cl1ck me" />
	</div>
	</div>
	</body>
	</html>