<?xml version="1.0" encoding="utf-8"?>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Drag and drop between iframes: dropping block element onto canvas</title>
<style type="text/css">
iframe
  {width:300px;
  height:200px;
  border-style:none;}
</style>
</head>
<body>
<p><iframe src="helper-drag-me-green-box.xhtml">Green box</iframe></p>
<p>Drag green box above to the gray canvas below. Canvas should turn green when you drop green box on it.</p>
<p><iframe src="helper-drop-here-canvas.xhtml">Canvas</iframe></p>
</body>
</html>