s on iframe message passing please check:
	https://developer.mozilla.org/en-US/docs/Web/API/Window/postMessage

-->
<html>
<head>
	<style>
		p {
			font-size:	1.1em;
		}
		#shell, #output {
			width:		640px;
			height:		300px;
			margin: 	20px 10px;
		}
		#output {
			overflow:	scroll;
			border:		2px solid #999;
		}
	</style>
</head>
<body>

	<h3>
		Embedded Shell In A Box example page.
	</h3>

	<p>Controls:</p>
	<div>
		<input type="text"   id="input"></input>
		<input type="button" id="execute" value="Ex