<html>
<head>
<script>

function init()
{

  var x = document.getElementById("d");
  x.__proto__ = document.getElementById("f");
  x.inputname;
}

</script>
</head>

<body onload="init();">

<div id="d"></div>
<form id="f"><input name="inputname"></form>

</body>
</html>
