fix

booking.js

@@ -1,5 +1,5 @@
 /**
- * Special Effects AJAX framework command.
+ * Drupal AJAX framework command.
  */
 Drupal.ajax.prototype.commands.bookingAjaxCheckboxes =  function(ajax, response, status) {
     jQuery(function($) {
@@ -7,6 +7,6 @@ Drupal.ajax.prototype.commands.bookingAjaxCheckboxes =  function(ajax, response,
         $('#booking-manual-email-form').find(':checkbox[name^="' . response.checkboxName .'"]').each(function () {
             //.prop() doesn't exist in Drupal's old version of jQuery so use .attr() instead
             $(this).attr("checked", ($.inArray($(this).val(), arr) != -1));
-        });                 
+        });
     });
 }