Hi,
try Like This
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>Untitled Document</title>
<script type="text/javascript">
function image() {
var img = document.createElement("IMG");
img.src = "img/dir.gif";
document.getElementById('image').appendChild(img);
}
</script>
</head>
<body>
<div id="image"></div>
<div><a href="javascript:image();">click to see image</a></div>
</body>
</html>
hope it Helps you
Best Luck