Add colorbox support

I use a similar feature on my site but with some jquery code

(function($) {

Drupal.behaviors.googlebox = {
    attach: function (context) {
      var link = $('.field-name-field-pdf a:first');
	var href = link[0].href;
	link.colorbox({html:'<h1><a href="'+href+'">download pdf</a></h1><iframe src="http://docs.google.com/viewer?url='+escape(href)+'&embedded=true" width="99%" height="88%" style="border:0;"></iframe>',width:'80%', height:'90%'});
 
    }
  };

when someone clicks on a pdf file this opens a colorbox with 2 things
-a link to download the actual pdf
-a iframe with the google docs reader

and degrades gracefully

hope you can integrate this somehow in your module

Thanks for your work

PS: I can't get the zoho viewer to work, it loads the code