diff --git a/src/servers/app/Layer.cpp b/src/servers/app/Layer.cpp
index aad9c426de..ff36fbaa8f 100644
--- a/src/servers/app/Layer.cpp
+++ b/src/servers/app/Layer.cpp
@@ -1609,7 +1609,7 @@ if (fOwner->cnt != 1)
 
 		if (updateReg.CountRects() > 0) {
 			fOwner->fCumulativeRegion.Include(&updateReg);			
-			if (!fOwner->InUpdate() && !fOwner->fRequestSent) {
+			if (fOwner->fUpdateRequestsEnabled && !fOwner->InUpdate() && !fOwner->fRequestSent) {
 				fOwner->fInUpdateRegion = fOwner->fCumulativeRegion;
 fOwner->cnt++;
 if (fOwner->cnt != 1)
diff --git a/src/servers/app/RootLayer.cpp b/src/servers/app/RootLayer.cpp
index 05e71fcfef..790dffa369 100644
--- a/src/servers/app/RootLayer.cpp
+++ b/src/servers/app/RootLayer.cpp
@@ -309,15 +309,6 @@ RootLayer::GoInvalidate(Layer *layer, const BRegion &region)
 	Unlock();
 }
 
-status_t
-RootLayer::EnqueueMessage(BPrivate::PortLink &message)
-{
-	message.SetSenderPort(fListenPort);
-	message.Flush();
-	return B_OK;
-}
-
-
 void
 RootLayer::GoRedraw(Layer *layer, const BRegion &region)
 {
@@ -1137,11 +1128,6 @@ RootLayer::MouseEventHandler(BMessage *msg)
 		}
 		case B_MOUSE_MOVED: {
 			//printf("RootLayer::MouseEventHandler(B_MOUSE_MOVED)\n");
-			// Attached data:
-			// 1) int64 - time of mouse click
-			// 2) float - x coordinate of mouse click
-			// 3) float - y coordinate of mouse click
-			// 4) int32 - buttons down
 
 			BPoint where(0,0);
 
diff --git a/src/servers/app/RootLayer.h b/src/servers/app/RootLayer.h
index 2a7f9f5a1b..1c2c06a942 100644
--- a/src/servers/app/RootLayer.h
+++ b/src/servers/app/RootLayer.h
@@ -130,7 +130,6 @@ public:
 			void				Unlock() { fAllRegionsLock.Unlock(); }
 			bool				IsLocked() { return fAllRegionsLock.IsLocked(); }
 			void				RunThread();
-			status_t			EnqueueMessage(BPrivate::PortLink &message);
 			void				GoInvalidate(Layer *layer, const BRegion &region);
 			void				GoRedraw(Layer *layer, const BRegion &region);
 			void				GoChangeWinBorderFeel(WinBorder *winBorder, int32 newFeel);
diff --git a/src/servers/app/ServerWindow.cpp b/src/servers/app/ServerWindow.cpp
index dc57efc1fd..9e9889ec47 100644
--- a/src/servers/app/ServerWindow.cpp
+++ b/src/servers/app/ServerWindow.cpp
@@ -1268,32 +1268,55 @@ myRootLayer->Unlock();
 			Hide();
 			break;
 		}
-#if 0
 		case AS_SEND_BEHIND:
 		{
-			// TODO: Implement AS_SEND_BEHIND
 			STRACE(("ServerWindow %s: Message  Send_Behind unimplemented\n", Title()));
+			int32 token;
+			team_id teamID;
+			WinBorder *behindOf;
+			status_t status = B_NAME_NOT_FOUND;
+
+			link.Read<int32>(&token);
+			link.Read<team_id>(&teamID);
+
+			if ((behindOf = gDesktop->FindWinBorderByClientToken(token, teamID))) {
+				fWinBorder->GetRootLayer()->Lock();
+				// TODO: move to back ATM. Fix this later!
+				fWinBorder->GetRootLayer()->SetActive(fWinBorder, false);
+				fWinBorder->GetRootLayer()->Unlock();
+				status = B_OK;
+			}
+
+			fLink.StartMessage(status);
+			fLink.Flush();
 			break;
 		}
 		case AS_ENABLE_UPDATES:
 		{
-			// TODO: Implement AS_ENABLE_UPDATES
 			STRACE(("ServerWindow %s: Message Enable_Updates unimplemented\n", Title()));
+			fWinBorder->EnableUpdateRequests();
+			if (fWinBorder->CulmulatedUpdateRegion().Frame().IsValid()) {
+				BRegion		reg(fWinBorder->CulmulatedUpdateRegion());
+				fWinBorder->RequestDraw(reg, NULL);
+			}
 			break;
 		}
 		case AS_DISABLE_UPDATES:
 		{
-			// TODO: Implement AS_DISABLE_UPDATES
 			STRACE(("ServerWindow %s: Message Disable_Updates unimplemented\n", Title()));
+			fWinBorder->DisableUpdateRequests();
 			break;
 		}
 		case AS_NEEDS_UPDATE:
 		{
-			// TODO: Implement AS_NEEDS_UPDATE
 			STRACE(("ServerWindow %s: Message Needs_Update unimplemented\n", Title()));
+			if (fWinBorder->CulmulatedUpdateRegion().Frame().IsValid())
+				fLink.StartMessage(B_OK);
+			else
+				fLink.StartMessage(B_ERROR);
+			fLink.Flush();
 			break;
 		}
-#endif
 		case AS_SET_WINDOW_TITLE:
 		{
 			char* newTitle;
diff --git a/src/servers/app/WinBorder.cpp b/src/servers/app/WinBorder.cpp
index 9d66cfe135..ede232d02d 100644
--- a/src/servers/app/WinBorder.cpp
+++ b/src/servers/app/WinBorder.cpp
@@ -79,14 +79,11 @@ WinBorder::WinBorder(const BRect &frame,
 	  fIsClosing(false),
 	  fIsMinimizing(false),
 	  fIsZooming(false),
-
-	  fIsDragging(false),
-	  fBringToFrontOnRelease(false),
-
 	  fIsResizing(false),
-
 	  fIsSlidingTab(false),
+	  fIsDragging(false),
 
+	  fUpdateRequestsEnabled(true),
 	  fInUpdate(false),
 	  fRequestSent(false),
 
diff --git a/src/servers/app/WinBorder.h b/src/servers/app/WinBorder.h
index 68cda3d4c6..ceb1be70eb 100644
--- a/src/servers/app/WinBorder.h
+++ b/src/servers/app/WinBorder.h
@@ -70,6 +70,10 @@ class WinBorder : public Layer {
 									{ return fInUpdateRegion; }
 	inline	const BRegion&		CulmulatedUpdateRegion() const
 									{ return fCumulativeRegion; }
+	inline	void				EnableUpdateRequests()
+									{ fUpdateRequestsEnabled = true; }
+	inline	void				DisableUpdateRequests()
+									{ fUpdateRequestsEnabled = false; }
 
 			void				SetSizeLimits(float minWidth,
 											  float maxWidth,
@@ -157,14 +161,13 @@ class WinBorder : public Layer {
 			bool				fIsClosing;
 			bool				fIsMinimizing;
 			bool				fIsZooming;
-
+			bool				fIsResizing;
+			bool				fIsSlidingTab;
 			bool				fIsDragging;
+
 			bool				fBringToFrontOnRelease;
 
-			bool				fIsResizing;
-
-			bool				fIsSlidingTab;
-
+			bool				fUpdateRequestsEnabled;
 			bool				fInUpdate;
 			bool				fRequestSent;