<?xml version="1.0" encoding="utf-8"?>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Image drag and drop to iframe</title>
<style type="text/css">
p:first-child
  {padding-left:20px;}
iframe
  {width:160px;
  height:160px;
  border-style:none;}
</style>
</head>
<body>
<p><img src="../resources/circle.png" alt="PNG circle" ondragstart="event.dataTransfer.effectAllowed = 'copy'"/></p>
<p>Drag circle above to the box below. It should be copied to the box once you drop it there.</p>
<p><iframe src="helper-drop-image-here.xhtml">XHTML with image</iframe></p>
</body>
</html>