Index: branches/RC/core/admin_templates/js/calendar/calendar-setup.js
===================================================================
diff -u -N -r10656 -r11675
--- branches/RC/core/admin_templates/js/calendar/calendar-setup.js	(.../calendar-setup.js)	(revision 10656)
+++ branches/RC/core/admin_templates/js/calendar/calendar-setup.js	(.../calendar-setup.js)	(revision 11675)
@@ -19,7 +19,7 @@
  * than modifying calendar.js itself).
  */
 
-// $Id: calendar-setup.js,v 1.2.2.1 2008-06-12 11:40:06 alex Exp $
+// $Id: calendar-setup.js,v 1.2.2.2 2009-05-03 15:46:13 valex Exp $
 
 /**
  *  This function "patches" an input field (or other element) to use a calendar
@@ -161,7 +161,7 @@
 			$check_field = document.getElementById($regex[1] + '[' + $regex[2] + '_date]');
 		}
 
-		if ($check_field.disabled) {
+		if ($check_field.disabled || $check_field.readOnly) {
 			// don't show calendar, when date/time field is disabled
 			return false;
 		}