diff --git a/ChangeLog b/ChangeLog
index fdc71f777..e398df6a0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,13 @@
+2009-07-14  Wolfgang Sourdeau  <wsourdeau@inverse.ca>
+
+	* SoObjects/Appointments/SOGoUserFolder+Appointments.m
+	(-davCalendarUserAddressSet): we return the "MAILTO:" prefix in
+	lower case instead.
+
+	* SoObjects/Appointments/SOGoAppointmentFolders.m
+	(-davCalendarComponentSet): new method, copied from
+	SOGoAppointmentFolder.
+
 2009-07-10  Wolfgang Sourdeau  <wsourdeau@inverse.ca>
 
 	* SoObjects/SOGo/SOGoContentObject.m (-davResourceType): new
diff --git a/SoObjects/Appointments/SOGoAppointmentFolders.m b/SoObjects/Appointments/SOGoAppointmentFolders.m
index c64afa030..4917c6abd 100644
--- a/SoObjects/Appointments/SOGoAppointmentFolders.m
+++ b/SoObjects/Appointments/SOGoAppointmentFolders.m
@@ -1,3 +1,4 @@
+
 /* SOGoAppointmentFolders.m - this file is part of SOGo
  *
  * Copyright (C) 2007 Inverse inc.
@@ -21,14 +22,17 @@
  */
 
 #import <Foundation/NSArray.h>
+#import <Foundation/NSDictionary.h>
 #import <Foundation/NSEnumerator.h>
 #import <Foundation/NSString.h>
 
 #import <NGObjWeb/WOContext.h>
 #import <NGObjWeb/WORequest+So.h>
 #import <NGObjWeb/NSException+HTTP.h>
-
+#import <SaxObjC/XMLNamespaces.h>
 #import <SOGo/WORequest+SOGo.h>
+#import <SOGo/NSObject+DAV.h>
+#import <SOGo/SOGoWebDAVValue.h>
 #import "SOGoAppointmentFolder.h"
 
 #import "SOGoAppointmentFolders.h"
@@ -167,4 +171,32 @@
   return classes;
 }
 
+- (SOGoWebDAVValue *) davCalendarComponentSet
+{
+  static SOGoWebDAVValue *componentSet = nil;
+  NSMutableArray *components;
+
+  if (!componentSet)
+    {
+      components = [NSMutableArray array];
+      /* Totally hackish.... we use the "n1" prefix because we know our
+         extensions will assign that one to ..:caldav but we really need to
+         handle element attributes */
+      [components addObject: [SOGoWebDAVValue
+                               valueForObject: @"<n1:comp name=\"VEVENT\"/>"
+                                   attributes: nil]];
+      [components addObject: [SOGoWebDAVValue
+                               valueForObject: @"<n1:comp name=\"VTODO\"/>"
+                                   attributes: nil]];
+      componentSet
+        = [davElementWithContent (@"supported-calendar-component-set",
+                                  XMLNS_CALDAV,
+                                  components)
+                                 asWebDAVValue];
+      [componentSet retain];
+    }
+
+  return componentSet;
+}
+
 @end
diff --git a/SoObjects/Appointments/SOGoUserFolder+Appointments.m b/SoObjects/Appointments/SOGoUserFolder+Appointments.m
index 211c72460..46a5b5eaf 100644
--- a/SoObjects/Appointments/SOGoUserFolder+Appointments.m
+++ b/SoObjects/Appointments/SOGoUserFolder+Appointments.m
@@ -60,7 +60,7 @@
   while ((currentEmail = [emails nextObject]))
     {
       tag = [NSArray arrayWithObjects: @"href", @"DAV:", @"D",
-		     [NSString stringWithFormat: @"MAILTO:%@", currentEmail],
+		     [NSString stringWithFormat: @"mailto:%@", currentEmail],
 		     nil];
       [addresses addObject: tag];
     }
diff --git a/SoObjects/SOGo/SOGoGCSFolder.m b/SoObjects/SOGo/SOGoGCSFolder.m
index 0aa9e451d..5150dc6ef 100644
--- a/SoObjects/SOGo/SOGoGCSFolder.m
+++ b/SoObjects/SOGo/SOGoGCSFolder.m
@@ -818,6 +818,7 @@ static NSArray *childRecordFields = nil;
       davSQLFieldsTable = [NSMutableDictionary new];
       [davSQLFieldsTable setObject: @"c_version" forKey: @"{DAV:}getetag"];
       [davSQLFieldsTable setObject: @"" forKey: @"{DAV:}getcontenttype"];
+      [davSQLFieldsTable setObject: @"" forKey: @"{DAV:}resourcetype"];
     }
 
   return davSQLFieldsTable;
diff --git a/UI/WebServerResources/SchedulerUI.js b/UI/WebServerResources/SchedulerUI.js
index e73500f5b..a218455f3 100644
--- a/UI/WebServerResources/SchedulerUI.js
+++ b/UI/WebServerResources/SchedulerUI.js
@@ -1504,7 +1504,6 @@ function onShowCompletedTasks(event) {
 
 function updateTaskStatus(event) {
   var newStatus = (this.checked ? 1 : 0);
-  var http = createHTTPClient();
 
   if (isSafari() && !isSafari3()) {
     newStatus = (newStatus ? 0 : 1);
@@ -1513,12 +1512,19 @@ function updateTaskStatus(event) {
   url = (ApplicationBaseURL + this.parentNode.calendar
 				 + "/" + this.parentNode.cname + "/changeStatus?status=" + newStatus);
 
+  var http = createHTTPClient();
   if (http) {
     // TODO: add parameter to signal that we are only interested in OK
     http.open("POST", url, false /* not async */);
     http.url = url;
-    http.send("");
-//    http.setRequestHeader("Content-Length", 0);
+		try {
+			http.send("");
+		}
+		catch (e) {
+			/* IE7 tends to generate "tranaction aborted" errors for synchronous
+				 transactions returning HTTP code 204. */
+			log("exception during http.send (expected on IE7)");
+		}
     if (isHttpStatus204(http.status))
       refreshTasks();
   } else
diff --git a/UI/WebServerResources/generic.js b/UI/WebServerResources/generic.js
index 1caf9f477..d9809ad85 100644
--- a/UI/WebServerResources/generic.js
+++ b/UI/WebServerResources/generic.js
@@ -356,12 +356,13 @@ function getContrastingTextColor(bgColor) {
 }
 
 function triggerAjaxRequest(url, callback, userdata, content, headers) {
-	var http = createHTTPClient();
-	activeAjaxRequests++;
-	document.animTimer = setTimeout("checkAjaxRequestsState();", 250);
 	//url = appendDifferentiator(url);
 
+	var http = createHTTPClient();
 	if (http) {
+		activeAjaxRequests++;
+		document.animTimer = setTimeout("checkAjaxRequestsState();", 250);
+
 		http.open("POST", url, true);
 		http.url = url;
 		http.callback = callback;