Index: date_popup/date_popup.module
===================================================================
--- date_popup/date_popup.module	(revisione 546)
+++ date_popup/date_popup.module	(copia locale)
@@ -268,7 +268,9 @@
   $range = date_range_years($element['#date_year_range'], $date);
   $year_range = date_range_string($range);
 
-  $settings = array(
+  $element_settings = is_array($element['#datepicker_settings']) ? $element['#datepicker_settings'] : array();
+
+  $settings = $element_settings + array(
     'prevText' => '«',
     'nextText' => '»',
     'currentText' => date_t('Today', 'date_nav'),