Head of this document

<html>
<head>
  <title>IE 9 Test</title>
  
  <script type="text/javascript">
    function doThis()
	{
	 var i;
	 i = "Terry
	 alert(i);
	
	}
  
  </script>
</head>
<body>
<h1>Head of this document</h1>
<button type="button"  onclick="doThis()">Click me</button>
</body>
</html>