LightBox click detection

Hi gang:

It's Friday so I am allowed to ask odd questions.

Here's the problem --  I need to count the number of times a user activates a LightBox -- how do you do that?

Here's a LightBox Example:

   http://www.webbytedd.com/c2/lightbox/

All the javascript is there (jQuery et al).

Ideally, I would like to have a php/javascript combination that would:

1. Detect when a user clicked the LightBox;
2. Pass that value to PHP so I can keep count.

Any ideas?

Cheers,

tedd

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