<head>
	<script type="text/javascript">
		function runTest() {
		    if (window.testRunner)
		        window.testRunner.dumpAsText();

	    	 document.designMode="on";
            document.execCommand("selectall");
            document.execCommand("RemoveFormat");
            document.execCommand("inserthtml", false, "PASSED - this test didn't fire ASSERT, bug 121791.");
        }
	</script>
</head>
<body onload="runTest()">	
	<button>
	    <iframe/>
	</button>
</body>