Stuff

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>
<head>
	<title>Untitled</title>
	<script type="text/javascript">
	
		var img;
		
		function preview_img(url)
		{
			if ( !img )
				img = document.getElementById("preview_img");
			
			img.src = url;
			img.style.display = "block";
		}
	
	</script>
</head>

<body>

<a href="javascript:preview_img('http://www.google.com/intl/en_ALL/images/logo.gif');">
	<img src="http://www.google.com/intl/en_ALL/images/logo.gif" width="75" />
</a>

<img id="preview_img" src="about:blank" width="75" height="75" alt="Preview Image" onclick="window.open(this.src, '_blank');" style="display:none; cursor:pointer;" />

</body>
</html>