diff --git a/ChangeLog b/ChangeLog
index f648d50e3..254e30d60 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
 2006-08-18  Wolfgang Sourdeau  <wsourdeau@inverse.ca>
 
+	* UI/Scheduler/UIxCalInlineMonthOverview.h: interface extracted
+	from its .m file.
+
 	* UI/Scheduler/UIxCalFilterPanel.[hm]: new class designed to
 	display a widget to handle the information displayed in the
 	appointments list. Not currently used, lacks implementation.
diff --git a/UI/Scheduler/UIxCalInlineMonthOverview.h b/UI/Scheduler/UIxCalInlineMonthOverview.h
new file mode 100644
index 000000000..0948f06fb
--- /dev/null
+++ b/UI/Scheduler/UIxCalInlineMonthOverview.h
@@ -0,0 +1,51 @@
+/*
+  Copyright (C) 2004 SKYRIX Software AG
+
+  This file is part of OpenGroupware.org.
+
+  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 UIXCALINLINEMONTHOVERVIEW_H
+#define UIXCALINLINEMONTHOVERVIEW_H
+
+#import "UIxCalMonthOverview.h"
+
+@class NSCalendarDate;
+@class NSString;
+
+@interface UIxCalInlineMonthOverview : UIxCalMonthOverview
+{
+    NSCalendarDate *selectedDate;
+    NSString *style;
+    NSString *headerStyle;
+    NSString *weekStyle;
+    NSString *todayWeekStyle;
+    NSString *dayHeaderStyle;
+    NSString *dayBodyStyle;
+    NSString *todayBodyStyle;
+    NSString *inactiveDayBodyStyle;
+    NSString *selectedDayExtraStyle;
+    NSString *daySelectionHref;
+    NSString *weekSelectionHref;
+    NSString *monthSelectionHref;
+    BOOL showWeekColumn;
+    BOOL showYear;
+}
+
+@end
+
+#endif /* UIXCALINLINEMONTHOVERVIEW_H */
diff --git a/UI/Scheduler/UIxCalInlineMonthOverview.m b/UI/Scheduler/UIxCalInlineMonthOverview.m
index 31d78b3db..57bdba04f 100644
--- a/UI/Scheduler/UIxCalInlineMonthOverview.m
+++ b/UI/Scheduler/UIxCalInlineMonthOverview.m
@@ -21,49 +21,11 @@
 // $Id: UIxCalInlineMonthOverview.m 181 2004-08-11 15:13:25Z helge $
 
 
-#include "UIxCalMonthOverview.h"
-#include <NGExtensions/NGExtensions.h>
+#import <NGExtensions/NSCalendarDate+misc.h>
 
+#import "NSCalendarDate+Scheduler.h"
 
-@interface UIxCalInlineMonthOverview : UIxCalMonthOverview
-{
-    NSCalendarDate *selectedDate;
-    NSString *style;
-    NSString *headerStyle;
-    NSString *weekStyle;
-    NSString *todayWeekStyle;
-    NSString *dayHeaderStyle;
-    NSString *dayBodyStyle;
-    NSString *todayBodyStyle;
-    NSString *inactiveDayBodyStyle;
-    NSString *selectedDayExtraStyle;
-    NSString *daySelectionHref;
-    NSString *weekSelectionHref;
-    NSString *monthSelectionHref;
-    BOOL showWeekColumn;
-    BOOL showYear;
-}
-
-@end
-
-
-@interface NSCalendarDate (UIxCalMonthOverviewExtensions)
-- (BOOL)isDateInSameMonth:(NSCalendarDate *)_other;
-@end
-
-
-@implementation NSCalendarDate (UIxCalMonthOverviewExtensions)
-- (BOOL)isDateInSameMonth:(NSCalendarDate *)_other {
-    if(_other == nil)
-        return NO;
-    if(([_other yearOfCommonEra] == [self yearOfCommonEra]) &&
-       ([_other monthOfYear] == [self monthOfYear])) {
-        return YES;
-    }
-    return NO;
-}
-@end
-
+#import "UIxCalInlineMonthOverview.h"
 
 @implementation UIxCalInlineMonthOverview