<html>
<body>
<img src="/upload/love/html.gif"
width="145" height="126"
usemap="#planetmap">
<map name="planetmap">
<area id="venus" shape="circle"
coords="124,58,8"
alt="Venus"
href="venus.htm">
</map>
<p>The port for the "Venus" area is:
<script>
document.write(document.getElementById('venus').port);
</script>
</p>
<p><b>Note:</b> If the port part is not specified in the URL, or is 80 (which is default), some browsers will just display 0 or nothing.</p>
</body>
</html>