Drupal.behaviors.initFancy_box_auto = function() {
  var settings = Drupal.settings.fancy_box;
  
  $("a:has(img)").find('.image').each(function(i) {
    var title = $(this).attr("title") || null;
    var src = $(this).attr("src")
    
    if (settings.image_node_display == "_original") {
      var href = $(this).attr("src").replace(".thumbnail", "");
    }
    else {
      var href = $(this).attr("src").replace(".thumbnail", "." + settings.image_node_display);
    }
    
    $(this).parent('a').attr({
      href: href,
      title: title,
      rel: 'group'
    })
    $(this).parent('a').addClass("fancy_box");
  });
}