always try to use firebug a great tool that can tell you the right way.
If you are not using, start using it.
You get the following error:
$ is not defined
[Break On This Error] $(function() {
which means jquery is not enabled correctly,
, jquery
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html><head>
<title>403 Forbidden</title>
</head><body>
<h1>Forbidden</h1>
<p>You don't have permission to access /jquery-lightbox-0.5/js/jquery.js
on this server.</p>
<hr>
<address>Apache/2.0.54 Server at greendeco.ca Port 80</address>
</body></html>