// Add Drupal behaviors to process AJAx loaded Cloud Zoom content.
Drupal.behaviors.cloud_zoom = function (context) {  
  items = $('.cloud-zoom:not(cloud-zoom-processed), .cloud-zoom-gallery:not(.cloud-zoom-processed)', context);
  if (items.length) {
    items.addClass('cloud-zoom-processed').CloudZoom();
  }
}