diff --git a/ChangeLog b/ChangeLog
index 322d59464..8294cc5d5 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
 2006-08-18  Wolfgang Sourdeau  <wsourdeau@inverse.ca>
 
+	* UI/Scheduler/NSCalendarDate+Scheduler.[hm]: category code
+	extracted from UIxCalInlineMonthOverview.m.
+
 	* UI/Scheduler/UIxDatePicker.m: removed the jsPopup, jsCode and
 	calendarPageURL methods. The javascript code is handled by .js
 	files as much as possible...
diff --git a/UI/Scheduler/NSCalendarDate+Scheduler.h b/UI/Scheduler/NSCalendarDate+Scheduler.h
new file mode 100644
index 000000000..46d9cd66e
--- /dev/null
+++ b/UI/Scheduler/NSCalendarDate+Scheduler.h
@@ -0,0 +1,33 @@
+/* NSCalendarDate+Scheduler.h - this file is part of SOGo
+   Copyright (C) 2000-2004 SKYRIX Software AG
+
+   This file is part of OGo
+
+   OGo is free software; you can redistribute it and/or modify it under
+   the terms of the GNU Lesser General Public License as published by the
+   Free Software Foundation; either version 2, or (at your option) any
+   later version.
+
+   OGo is distributed in the hope that it will be useful, but WITHOUT ANY
+   WARRANTY; without even the implied warranty of MERCHANTABILITY or
+   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
+   License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with OGo; see the file COPYING.  If not, write to the
+   Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+   02111-1307, USA.
+*/
+
+#ifndef NSCALENDARDATE_SCHEDULER_H
+#define NSCALENDARDATE_SCHEDULER_H
+
+#import <Foundation/NSCalendarDate.h>
+
+@interface NSCalendarDate (UIxCalMonthOverviewExtensions)
+
+- (BOOL) isDateInSameMonth: (NSCalendarDate *) _other;
+
+@end
+
+#endif /* NSCALENDARDATE_SCHEDULER_H */
diff --git a/UI/Scheduler/NSCalendarDate+Scheduler.m b/UI/Scheduler/NSCalendarDate+Scheduler.m
new file mode 100644
index 000000000..fe1a77a69
--- /dev/null
+++ b/UI/Scheduler/NSCalendarDate+Scheduler.m
@@ -0,0 +1,35 @@
+/* NSCalendarDate+Scheduler.m - this file is part of SOGo
+   Copyright (C) 2000-2004 SKYRIX Software AG
+
+   This file is part of OGo
+
+   OGo is free software; you can redistribute it and/or modify it under
+   the terms of the GNU Lesser General Public License as published by the
+   Free Software Foundation; either version 2, or (at your option) any
+   later version.
+
+   OGo is distributed in the hope that it will be useful, but WITHOUT ANY
+   WARRANTY; without even the implied warranty of MERCHANTABILITY or
+   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
+   License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with OGo; see the file COPYING.  If not, write to the
+   Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+   02111-1307, USA.
+*/
+
+#import "NSCalendarDate+Scheduler.h"
+
+@implementation NSCalendarDate (UIxCalMonthOverviewExtensions)
+
+- (BOOL) isDateInSameMonth: (NSCalendarDate *)_other
+{
+  return (([_other yearOfCommonEra] == [self yearOfCommonEra]) &&
+          ([_other monthOfYear] == [self monthOfYear]));
+}
+
+@end
+
+
+