<html>
<head>
<script type="text/javascript">
function displayDate()
{
document.getElementById("demo").innerHTML='<img src="http://www.drcastanon.com/images/stories/drc.JPG" width="138" height="179">';
}
</script>
</head>
<body>
<h1>Testing</h1>
<p id="demo">This will disappear and a picture will materialize.</p>
<p><button type="button" onclick="displayDate()">Display Date</button></p>
</body>
</html>
