js/_tiny_mce/plugins/fullpage/blank.htm

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
	<title>blank_page</title>
	<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
</head>
<body onload="parent.setupIframe(document);">
</body>
</html>