Accessing form elements by name

<?xml version = "1.0" encoding = "utf-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">

<html xmlns = "http://www.w3.org/1999/xhtml">
<head>
    <title> Sample </title>
    <script type = "text/javascript">
        function meBeenPushed()
        {
            alert("I have been pushed");
        }
    </script>

<body>
    <form name = "myForm" action = "">
        <input type = "button" value = "pushMe" name = "pushMe" />
    </form>
    <script type="text/javascript">
        document.myForm.pushMe.onclick=meBeenPushed;
    </script>
</body>
</html>