diff --git a/content/base/src/nsDocument.cpp b/content/base/src/nsDocument.cpp
index 805dfd004b5..a4c4dbc9597 100644
--- a/content/base/src/nsDocument.cpp
+++ b/content/base/src/nsDocument.cpp
@@ -2644,10 +2644,13 @@ nsresult nsDocument::HandleDOMEvent(nsIPresContext* aPresContext,
                                     nsEventStatus* aEventStatus)
 {
   nsresult mRet = NS_OK;
-  nsIDOMEvent* mDOMEvent = nsnull;
+
+  nsIDOMEvent* domEvent = nsnull;
 
   if (NS_EVENT_FLAG_INIT & aFlags) {
-    aDOMEvent = &mDOMEvent;
+    if (!aDOMEvent) {
+      aDOMEvent = &domEvent;
+    }
     aEvent->flags = aFlags;
     aFlags &= ~(NS_EVENT_FLAG_CANT_BUBBLE | NS_EVENT_FLAG_CANT_CANCEL);
   }
diff --git a/content/base/src/nsGenericDOMDataNode.cpp b/content/base/src/nsGenericDOMDataNode.cpp
index 21e76bf7f81..cab355b678c 100644
--- a/content/base/src/nsGenericDOMDataNode.cpp
+++ b/content/base/src/nsGenericDOMDataNode.cpp
@@ -753,7 +753,9 @@ nsGenericDOMDataNode::HandleDOMEvent(nsIPresContext* aPresContext,
   nsIDOMEvent* domEvent = nsnull;
 
   if (NS_EVENT_FLAG_INIT & aFlags) {
-    aDOMEvent = &domEvent;
+    if (!aDOMEvent) {
+      aDOMEvent = &domEvent;
+    }
     aEvent->flags = aFlags;
     aFlags &= ~(NS_EVENT_FLAG_CANT_BUBBLE | NS_EVENT_FLAG_CANT_CANCEL);
 
diff --git a/content/base/src/nsGenericElement.cpp b/content/base/src/nsGenericElement.cpp
index 49f7473a4d3..a1d11750ebf 100644
--- a/content/base/src/nsGenericElement.cpp
+++ b/content/base/src/nsGenericElement.cpp
@@ -1282,7 +1282,9 @@ nsGenericElement::HandleDOMEvent(nsIPresContext* aPresContext,
   
   nsIDOMEvent* domEvent = nsnull;
   if (NS_EVENT_FLAG_INIT & aFlags) {
-    aDOMEvent = &domEvent;
+    if (!aDOMEvent) {
+      aDOMEvent = &domEvent;
+    }
     aEvent->flags = aFlags;
     aFlags &= ~(NS_EVENT_FLAG_CANT_BUBBLE | NS_EVENT_FLAG_CANT_CANCEL);
   }
diff --git a/content/events/public/nsIPrivateDOMEvent.h b/content/events/public/nsIPrivateDOMEvent.h
index f3b4f5d6987..a0fb3a03144 100644
--- a/content/events/public/nsIPrivateDOMEvent.h
+++ b/content/events/public/nsIPrivateDOMEvent.h
@@ -48,6 +48,7 @@ public:
   NS_IMETHOD SetTarget(nsIDOMEventTarget* aTarget) = 0;
   NS_IMETHOD SetCurrentTarget(nsIDOMEventTarget* aTarget) = 0;
   NS_IMETHOD IsDispatchStopped(PRBool* aIsDispatchPrevented) = 0;
+  NS_IMETHOD GetInternalNSEvent(nsEvent** aNSEvent) = 0;
 };
 
 extern nsresult NS_NewDOMEvent(nsIDOMEvent** aInstancePtrResult, nsIPresContext* aPresContext, nsEvent *aEvent);
diff --git a/content/events/src/nsDOMEvent.cpp b/content/events/src/nsDOMEvent.cpp
index 7dcef1a8134..448833b5c3e 100644
--- a/content/events/src/nsDOMEvent.cpp
+++ b/content/events/src/nsDOMEvent.cpp
@@ -49,7 +49,7 @@ static char* mEventNames[] = {
   "focus", "blur", "load", "unload", "abort", "error",
   "submit", "reset", "change", "select", "input", "paint" ,"text",
   "create", "close", "destroy", "command", "broadcast", "commandupdate",
-  "dragenter", "dragover", "dragexit", "dragdrop", "draggesture"
+  "dragenter", "dragover", "dragexit", "dragdrop", "draggesture", "resize"
 }; 
 
 nsDOMEvent::nsDOMEvent(nsIPresContext* aPresContext, nsEvent* aEvent, const nsString& aEventType) {
@@ -1005,6 +1005,13 @@ nsDOMEvent::IsDispatchStopped(PRBool* aIsDispatchStopped)
   return NS_OK;
 }
 
+NS_IMETHODIMP
+nsDOMEvent::GetInternalNSEvent(nsEvent** aNSEvent)
+{
+  *aNSEvent = mEvent;
+  return NS_OK;
+}
+
 const char* nsDOMEvent::GetEventName(PRUint32 aEventType)
 {
   switch(aEventType) {
@@ -1064,6 +1071,8 @@ const char* nsDOMEvent::GetEventName(PRUint32 aEventType)
     return mEventNames[eDOMEvents_input];
   case NS_PAINT:
     return mEventNames[eDOMEvents_paint];
+  case NS_RESIZE_EVENT:
+    return mEventNames[eDOMEvents_resize];
   case NS_TEXT_EVENT:
 	  return mEventNames[eDOMEvents_text];
   case NS_MENU_CREATE:
diff --git a/content/events/src/nsDOMEvent.h b/content/events/src/nsDOMEvent.h
index 90be2ae6253..b2388c9506f 100644
--- a/content/events/src/nsDOMEvent.h
+++ b/content/events/src/nsDOMEvent.h
@@ -82,7 +82,8 @@ public:
     eDOMEvents_dragover,
     eDOMEvents_dragexit,
     eDOMEvents_dragdrop,
-    eDOMEvents_draggesture
+    eDOMEvents_draggesture,
+    eDOMEvents_resize
   };
 
   nsDOMEvent(nsIPresContext* aPresContext, nsEvent* aEvent, const nsString& aEventType);
@@ -143,6 +144,7 @@ public:
   NS_IMETHOD    SetTarget(nsIDOMEventTarget* aTarget);
   NS_IMETHOD    SetCurrentTarget(nsIDOMEventTarget* aCurrentTarget);
   NS_IMETHOD    IsDispatchStopped(PRBool* aIsDispatchStopped);
+  NS_IMETHOD    GetInternalNSEvent(nsEvent** aNSEvent);
 
   // nsIPrivateTextEvent interface
 	NS_IMETHOD GetText(nsString& aText);
diff --git a/content/events/src/nsEventListenerManager.cpp b/content/events/src/nsEventListenerManager.cpp
index 22b1012cb08..ef049eb45e9 100644
--- a/content/events/src/nsEventListenerManager.cpp
+++ b/content/events/src/nsEventListenerManager.cpp
@@ -417,6 +417,10 @@ nsresult nsEventListenerManager::GetIdentifiersForType(nsIAtom* aType, nsIID& aI
   else if (aType == nsLayoutAtoms::onpaint) {
     aIID = kIDOMPaintListenerIID;
     *aFlags = NS_EVENT_BITS_PAINT_PAINT;
+  }
+  else if (aType == nsLayoutAtoms::onresize) {
+    aIID = kIDOMPaintListenerIID;
+    *aFlags = NS_EVENT_BITS_PAINT_RESIZE;
   } // extened this to handle IME related events
   else if (aType == nsLayoutAtoms::oncreate) {
     aIID = kIDOMMenuListenerIID; 
@@ -1322,6 +1326,7 @@ nsresult nsEventListenerManager::HandleEvent(nsIPresContext* aPresContext,
       break;
   
     case NS_PAINT:
+    case NS_RESIZE_EVENT:
       if (nsnull != mPaintListeners) {
         if (nsnull == *aDOMEvent) {
           ret = NS_NewDOMUIEvent(aDOMEvent, aPresContext, empty, aEvent);
@@ -1336,14 +1341,36 @@ nsresult nsEventListenerManager::HandleEvent(nsIPresContext* aPresContext,
             if (ls->mFlags & aFlags) {
               if (NS_OK == ls->mListener->QueryInterface(kIDOMPaintListenerIID,
                                                        (void**)&paintListener)) {
-                ret = paintListener->Paint(*aDOMEvent);
+                switch(aEvent->message) {
+                  case NS_PAINT:
+                    ret = paintListener->Paint(*aDOMEvent);
+                    break;
+                  case NS_RESIZE_EVENT:
+                    ret = paintListener->Resize(*aDOMEvent);
+                    break;
+                  default:
+                    break;
+                }
                 NS_RELEASE(paintListener);
               }
               else {
                 PRBool correctSubType = PR_FALSE;
-                PRUint32 subType = NS_EVENT_BITS_PAINT_PAINT;
-                if (ls->mSubType & NS_EVENT_BITS_PAINT_PAINT) {
-                  correctSubType = PR_TRUE;
+                PRUint32 subType = 0;
+                switch(aEvent->message) {
+                  case NS_PAINT:
+                    subType = NS_EVENT_BITS_PAINT_PAINT;
+                    if (ls->mSubType & NS_EVENT_BITS_PAINT_PAINT) {
+                      correctSubType = PR_TRUE;
+                    }
+                    break;
+                  case NS_RESIZE_EVENT:
+                    subType = NS_EVENT_BITS_PAINT_RESIZE;
+                    if (ls->mSubType & NS_EVENT_BITS_PAINT_RESIZE) {
+                      correctSubType = PR_TRUE;
+                    }
+                    break;
+                  default:
+                    break;
                 }
                 if (correctSubType || ls->mSubType == NS_EVENT_BITS_NONE) {
                   ret = HandleEventSubType(ls, *aDOMEvent, aCurrentTarget, subType, aFlags);
@@ -1785,6 +1812,15 @@ nsresult nsEventListenerManager::FlipCaptureBit(PRInt32 aEventTypes, PRBool aIni
       ls->mFlags |= NS_EVENT_FLAG_CAPTURE;
     }
   }
+  if (aEventTypes & nsIDOMEvent::RESIZE) {
+    iid = kIDOMPaintListenerIID;
+    ls = FindJSEventListener(iid);
+    if (ls) {
+      if (aInitCapture) ls->mSubTypeCapture |= NS_EVENT_BITS_PAINT_RESIZE; 
+      else ls->mSubTypeCapture &= ~NS_EVENT_BITS_PAINT_RESIZE;
+      ls->mFlags |= NS_EVENT_FLAG_CAPTURE;
+    }
+  }
   return NS_OK;
 }
 
diff --git a/content/events/src/nsEventListenerManager.h b/content/events/src/nsEventListenerManager.h
index 5ac323c0042..2ee9c8b3da1 100644
--- a/content/events/src/nsEventListenerManager.h
+++ b/content/events/src/nsEventListenerManager.h
@@ -232,5 +232,6 @@ protected:
 //nsIDOMPaintListener
 #define NS_EVENT_BITS_PAINT_NONE    0x00
 #define NS_EVENT_BITS_PAINT_PAINT   0x01
+#define NS_EVENT_BITS_PAINT_RESIZE  0x02
 
 #endif // nsEventListenerManager_h__
diff --git a/content/events/src/nsEventStateManager.cpp b/content/events/src/nsEventStateManager.cpp
index 68f55779927..9d19421e8d6 100644
--- a/content/events/src/nsEventStateManager.cpp
+++ b/content/events/src/nsEventStateManager.cpp
@@ -2602,7 +2602,33 @@ void nsEventStateManager::ForceViewUpdate(nsIView* aView)
 NS_IMETHODIMP
 nsEventStateManager::DispatchNewEvent(nsISupports* aTarget, nsIDOMEvent* aEvent)
 {
-  return NS_OK;
+  nsresult ret = NS_OK;
+
+  nsCOMPtr<nsIPrivateDOMEvent> privEvt(do_QueryInterface(aEvent));
+  if (aEvent) {
+    nsEvent* innerEvent;
+    privEvt->GetInternalNSEvent(&innerEvent);
+    if (innerEvent) {
+      nsEventStatus status;
+      nsCOMPtr<nsIScriptGlobalObject> target(do_QueryInterface(aTarget));
+      if (target) {
+        ret = target->HandleDOMEvent(mPresContext, innerEvent, &aEvent, NS_EVENT_FLAG_INIT, &status);
+      }
+      else {
+        nsCOMPtr<nsIDocument> target(do_QueryInterface(aTarget));
+        if (target) {
+          ret = target->HandleDOMEvent(mPresContext, innerEvent, &aEvent, NS_EVENT_FLAG_INIT, &status);
+        }
+        else {
+          nsCOMPtr<nsIContent> target(do_QueryInterface(aTarget));
+          if (target) {
+            ret = target->HandleDOMEvent(mPresContext, innerEvent, &aEvent, NS_EVENT_FLAG_INIT, &status);
+          }
+        }
+      }
+    }
+  }
+  return ret;
 }
 
 nsresult NS_NewEventStateManager(nsIEventStateManager** aInstancePtrResult)
diff --git a/content/shared/public/nsLayoutAtomList.h b/content/shared/public/nsLayoutAtomList.h
index c0f2c1d9e93..4900de9f924 100644
--- a/content/shared/public/nsLayoutAtomList.h
+++ b/content/shared/public/nsLayoutAtomList.h
@@ -152,6 +152,7 @@ LAYOUT_ATOM(onmouseout, "onmouseout")
 LAYOUT_ATOM(onmouseup, "onmouseup")
 LAYOUT_ATOM(onpaint, "onpaint")
 LAYOUT_ATOM(onreset, "onreset")
+LAYOUT_ATOM(onresize, "onresize")
 LAYOUT_ATOM(onselect, "onselect")
 LAYOUT_ATOM(onsubmit, "onsubmit")
 LAYOUT_ATOM(onunload, "onunload")
diff --git a/dom/public/coreEvents/nsIDOMPaintListener.h b/dom/public/coreEvents/nsIDOMPaintListener.h
index 9ecda753b7d..6dc3d065b06 100644
--- a/dom/public/coreEvents/nsIDOMPaintListener.h
+++ b/dom/public/coreEvents/nsIDOMPaintListener.h
@@ -41,6 +41,13 @@ public:
   * @returns whether the event was consumed or ignored. @see nsresult
   */
   virtual nsresult Paint(nsIDOMEvent* aEvent) = 0;
+
+  /**
+  * Processes a resize event
+  * @param aEvent @see nsIDOMEvent.h 
+  * @returns whether the event was consumed or ignored. @see nsresult
+  */
+  virtual nsresult Resize(nsIDOMEvent* aEvent) = 0;
 };
 
 #endif /* nsIDOMPaintListener_h__ */
diff --git a/dom/src/base/nsGlobalWindow.cpp b/dom/src/base/nsGlobalWindow.cpp
index f2007a86ef0..eb2eb19ba95 100644
--- a/dom/src/base/nsGlobalWindow.cpp
+++ b/dom/src/base/nsGlobalWindow.cpp
@@ -379,7 +379,9 @@ NS_IMETHODIMP GlobalWindowImpl::HandleDOMEvent(nsIPresContext* aPresContext,
 
    if(NS_EVENT_FLAG_INIT & aFlags)
       {
-      aDOMEvent = &domEvent;  
+      if (!aDOMEvent) {
+        aDOMEvent = &domEvent;
+      }
       aEvent->flags = aFlags;
       aFlags &= ~(NS_EVENT_FLAG_CANT_BUBBLE | NS_EVENT_FLAG_CANT_CANCEL);
       }
@@ -3773,6 +3775,21 @@ PRBool GlobalWindowImpl::CheckForEventListener(JSContext* aContext, nsString& aP
          }
       }
 
+   else if(aPropName.EqualsWithConversion("onresize"))
+      {
+      if(NS_OK == GetListenerManager(getter_AddRefs(manager)))
+         {
+         nsCOMPtr<nsIScriptContext> scriptCX;
+         nsJSUtils::nsGetDynamicScriptContext(aContext, getter_AddRefs(scriptCX));
+         if(!scriptCX ||
+            NS_OK != manager->RegisterScriptEventListener(scriptCX, this, atom,
+            NS_GET_IID(nsIDOMPaintListener)))
+            {
+            return PR_FALSE;
+            }
+         }
+      }
+
    return PR_TRUE;
 }
 
diff --git a/dom/src/events/nsJSEvent.cpp b/dom/src/events/nsJSEvent.cpp
index eba89b420f4..d6254e79352 100644
--- a/dom/src/events/nsJSEvent.cpp
+++ b/dom/src/events/nsJSEvent.cpp
@@ -158,7 +158,13 @@ GetEventProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp)
           PRUint64 prop;
           rv = a->GetTimeStamp(&prop);
           if (NS_SUCCEEDED(rv)) {
-            //*vp = INT_TO_JSVAL(prop);
+#ifdef HAVE_LONG_LONG
+            *vp = INT_TO_JSVAL(prop);
+#else
+            int i;
+            LL_L2UI(i, prop);
+            *vp = INT_TO_JSVAL(i);
+#endif
           }
         }
         break;
diff --git a/dom/tools/JSStubGen.cpp b/dom/tools/JSStubGen.cpp
index 505f630cd3f..7e123422741 100644
--- a/dom/tools/JSStubGen.cpp
+++ b/dom/tools/JSStubGen.cpp
@@ -713,6 +713,15 @@ static const char kStringGetCaseStr[] =
 static const char kIntGetCaseStr[] = 
 "            *vp = INT_TO_JSVAL(prop);\n";
 
+static const char kLongLongGetCaseStr[] = 
+"#ifdef HAVE_LONG_LONG\n"
+"            *vp = INT_TO_JSVAL(prop);\n"
+"#else\n"
+"            int i;\n"
+"            LL_L2UI(i, prop);\n"
+"            *vp = INT_TO_JSVAL(i);\n"
+"#endif\n";
+
 static const char kFloatGetCaseStr[] = 
 "            *vp = DOUBLE_TO_JSVAL(JS_NewDouble(cx, prop));\n";
 
@@ -744,16 +753,18 @@ JSStubGen::GeneratePropGetter(ofstream *file,
       case_str = kBoolGetCaseStr;
       break;
     case TYPE_LONG:
-    case TYPE_LONG_LONG:
     case TYPE_SHORT:
     case TYPE_ULONG:
-    case TYPE_ULONG_LONG:
     case TYPE_USHORT:
     case TYPE_CHAR:
     case TYPE_INT:
     case TYPE_UINT:
       case_str = kIntGetCaseStr;
       break;
+    case TYPE_LONG_LONG:
+    case TYPE_ULONG_LONG:
+      case_str = kLongLongGetCaseStr;
+      break;
     case TYPE_FLOAT:
       case_str = kFloatGetCaseStr;
       break;
diff --git a/layout/base/nsLayoutAtomList.h b/layout/base/nsLayoutAtomList.h
index c0f2c1d9e93..4900de9f924 100644
--- a/layout/base/nsLayoutAtomList.h
+++ b/layout/base/nsLayoutAtomList.h
@@ -152,6 +152,7 @@ LAYOUT_ATOM(onmouseout, "onmouseout")
 LAYOUT_ATOM(onmouseup, "onmouseup")
 LAYOUT_ATOM(onpaint, "onpaint")
 LAYOUT_ATOM(onreset, "onreset")
+LAYOUT_ATOM(onresize, "onresize")
 LAYOUT_ATOM(onselect, "onselect")
 LAYOUT_ATOM(onsubmit, "onsubmit")
 LAYOUT_ATOM(onunload, "onunload")
diff --git a/layout/base/nsPresShell.cpp b/layout/base/nsPresShell.cpp
index 58b59cf526f..a55f0f21c54 100644
--- a/layout/base/nsPresShell.cpp
+++ b/layout/base/nsPresShell.cpp
@@ -1781,6 +1781,17 @@ PresShell::ResizeReflow(nscoord aWidth, nscoord aHeight)
   
   mViewManager->CacheWidgetChanges(PR_FALSE);
 
+  //Send resize event from here.
+  nsEvent event;
+  nsEventStatus status;
+  event.eventStructType = NS_EVENT;
+  event.message = NS_RESIZE_EVENT;
+  event.time = 0;
+
+  nsCOMPtr<nsIScriptGlobalObject> globalObj;
+	mDocument->GetScriptGlobalObject(getter_AddRefs(globalObj));
+  globalObj->HandleDOMEvent(mPresContext, &event, nsnull, NS_EVENT_FLAG_INIT, &status);
+  
   return NS_OK; //XXX this needs to be real. MMP
 }
 
diff --git a/layout/base/public/nsLayoutAtomList.h b/layout/base/public/nsLayoutAtomList.h
index c0f2c1d9e93..4900de9f924 100644
--- a/layout/base/public/nsLayoutAtomList.h
+++ b/layout/base/public/nsLayoutAtomList.h
@@ -152,6 +152,7 @@ LAYOUT_ATOM(onmouseout, "onmouseout")
 LAYOUT_ATOM(onmouseup, "onmouseup")
 LAYOUT_ATOM(onpaint, "onpaint")
 LAYOUT_ATOM(onreset, "onreset")
+LAYOUT_ATOM(onresize, "onresize")
 LAYOUT_ATOM(onselect, "onselect")
 LAYOUT_ATOM(onsubmit, "onsubmit")
 LAYOUT_ATOM(onunload, "onunload")
diff --git a/layout/base/src/nsDocument.cpp b/layout/base/src/nsDocument.cpp
index 805dfd004b5..a4c4dbc9597 100644
--- a/layout/base/src/nsDocument.cpp
+++ b/layout/base/src/nsDocument.cpp
@@ -2644,10 +2644,13 @@ nsresult nsDocument::HandleDOMEvent(nsIPresContext* aPresContext,
                                     nsEventStatus* aEventStatus)
 {
   nsresult mRet = NS_OK;
-  nsIDOMEvent* mDOMEvent = nsnull;
+
+  nsIDOMEvent* domEvent = nsnull;
 
   if (NS_EVENT_FLAG_INIT & aFlags) {
-    aDOMEvent = &mDOMEvent;
+    if (!aDOMEvent) {
+      aDOMEvent = &domEvent;
+    }
     aEvent->flags = aFlags;
     aFlags &= ~(NS_EVENT_FLAG_CANT_BUBBLE | NS_EVENT_FLAG_CANT_CANCEL);
   }
diff --git a/layout/base/src/nsGenericDOMDataNode.cpp b/layout/base/src/nsGenericDOMDataNode.cpp
index 21e76bf7f81..cab355b678c 100644
--- a/layout/base/src/nsGenericDOMDataNode.cpp
+++ b/layout/base/src/nsGenericDOMDataNode.cpp
@@ -753,7 +753,9 @@ nsGenericDOMDataNode::HandleDOMEvent(nsIPresContext* aPresContext,
   nsIDOMEvent* domEvent = nsnull;
 
   if (NS_EVENT_FLAG_INIT & aFlags) {
-    aDOMEvent = &domEvent;
+    if (!aDOMEvent) {
+      aDOMEvent = &domEvent;
+    }
     aEvent->flags = aFlags;
     aFlags &= ~(NS_EVENT_FLAG_CANT_BUBBLE | NS_EVENT_FLAG_CANT_CANCEL);
 
diff --git a/layout/base/src/nsGenericElement.cpp b/layout/base/src/nsGenericElement.cpp
index 49f7473a4d3..a1d11750ebf 100644
--- a/layout/base/src/nsGenericElement.cpp
+++ b/layout/base/src/nsGenericElement.cpp
@@ -1282,7 +1282,9 @@ nsGenericElement::HandleDOMEvent(nsIPresContext* aPresContext,
   
   nsIDOMEvent* domEvent = nsnull;
   if (NS_EVENT_FLAG_INIT & aFlags) {
-    aDOMEvent = &domEvent;
+    if (!aDOMEvent) {
+      aDOMEvent = &domEvent;
+    }
     aEvent->flags = aFlags;
     aFlags &= ~(NS_EVENT_FLAG_CANT_BUBBLE | NS_EVENT_FLAG_CANT_CANCEL);
   }
diff --git a/layout/events/public/nsIPrivateDOMEvent.h b/layout/events/public/nsIPrivateDOMEvent.h
index f3b4f5d6987..a0fb3a03144 100644
--- a/layout/events/public/nsIPrivateDOMEvent.h
+++ b/layout/events/public/nsIPrivateDOMEvent.h
@@ -48,6 +48,7 @@ public:
   NS_IMETHOD SetTarget(nsIDOMEventTarget* aTarget) = 0;
   NS_IMETHOD SetCurrentTarget(nsIDOMEventTarget* aTarget) = 0;
   NS_IMETHOD IsDispatchStopped(PRBool* aIsDispatchPrevented) = 0;
+  NS_IMETHOD GetInternalNSEvent(nsEvent** aNSEvent) = 0;
 };
 
 extern nsresult NS_NewDOMEvent(nsIDOMEvent** aInstancePtrResult, nsIPresContext* aPresContext, nsEvent *aEvent);
diff --git a/layout/events/src/nsDOMEvent.cpp b/layout/events/src/nsDOMEvent.cpp
index 7dcef1a8134..448833b5c3e 100644
--- a/layout/events/src/nsDOMEvent.cpp
+++ b/layout/events/src/nsDOMEvent.cpp
@@ -49,7 +49,7 @@ static char* mEventNames[] = {
   "focus", "blur", "load", "unload", "abort", "error",
   "submit", "reset", "change", "select", "input", "paint" ,"text",
   "create", "close", "destroy", "command", "broadcast", "commandupdate",
-  "dragenter", "dragover", "dragexit", "dragdrop", "draggesture"
+  "dragenter", "dragover", "dragexit", "dragdrop", "draggesture", "resize"
 }; 
 
 nsDOMEvent::nsDOMEvent(nsIPresContext* aPresContext, nsEvent* aEvent, const nsString& aEventType) {
@@ -1005,6 +1005,13 @@ nsDOMEvent::IsDispatchStopped(PRBool* aIsDispatchStopped)
   return NS_OK;
 }
 
+NS_IMETHODIMP
+nsDOMEvent::GetInternalNSEvent(nsEvent** aNSEvent)
+{
+  *aNSEvent = mEvent;
+  return NS_OK;
+}
+
 const char* nsDOMEvent::GetEventName(PRUint32 aEventType)
 {
   switch(aEventType) {
@@ -1064,6 +1071,8 @@ const char* nsDOMEvent::GetEventName(PRUint32 aEventType)
     return mEventNames[eDOMEvents_input];
   case NS_PAINT:
     return mEventNames[eDOMEvents_paint];
+  case NS_RESIZE_EVENT:
+    return mEventNames[eDOMEvents_resize];
   case NS_TEXT_EVENT:
 	  return mEventNames[eDOMEvents_text];
   case NS_MENU_CREATE:
diff --git a/layout/events/src/nsDOMEvent.h b/layout/events/src/nsDOMEvent.h
index 90be2ae6253..b2388c9506f 100644
--- a/layout/events/src/nsDOMEvent.h
+++ b/layout/events/src/nsDOMEvent.h
@@ -82,7 +82,8 @@ public:
     eDOMEvents_dragover,
     eDOMEvents_dragexit,
     eDOMEvents_dragdrop,
-    eDOMEvents_draggesture
+    eDOMEvents_draggesture,
+    eDOMEvents_resize
   };
 
   nsDOMEvent(nsIPresContext* aPresContext, nsEvent* aEvent, const nsString& aEventType);
@@ -143,6 +144,7 @@ public:
   NS_IMETHOD    SetTarget(nsIDOMEventTarget* aTarget);
   NS_IMETHOD    SetCurrentTarget(nsIDOMEventTarget* aCurrentTarget);
   NS_IMETHOD    IsDispatchStopped(PRBool* aIsDispatchStopped);
+  NS_IMETHOD    GetInternalNSEvent(nsEvent** aNSEvent);
 
   // nsIPrivateTextEvent interface
 	NS_IMETHOD GetText(nsString& aText);
diff --git a/layout/events/src/nsEventListenerManager.cpp b/layout/events/src/nsEventListenerManager.cpp
index 22b1012cb08..ef049eb45e9 100644
--- a/layout/events/src/nsEventListenerManager.cpp
+++ b/layout/events/src/nsEventListenerManager.cpp
@@ -417,6 +417,10 @@ nsresult nsEventListenerManager::GetIdentifiersForType(nsIAtom* aType, nsIID& aI
   else if (aType == nsLayoutAtoms::onpaint) {
     aIID = kIDOMPaintListenerIID;
     *aFlags = NS_EVENT_BITS_PAINT_PAINT;
+  }
+  else if (aType == nsLayoutAtoms::onresize) {
+    aIID = kIDOMPaintListenerIID;
+    *aFlags = NS_EVENT_BITS_PAINT_RESIZE;
   } // extened this to handle IME related events
   else if (aType == nsLayoutAtoms::oncreate) {
     aIID = kIDOMMenuListenerIID; 
@@ -1322,6 +1326,7 @@ nsresult nsEventListenerManager::HandleEvent(nsIPresContext* aPresContext,
       break;
   
     case NS_PAINT:
+    case NS_RESIZE_EVENT:
       if (nsnull != mPaintListeners) {
         if (nsnull == *aDOMEvent) {
           ret = NS_NewDOMUIEvent(aDOMEvent, aPresContext, empty, aEvent);
@@ -1336,14 +1341,36 @@ nsresult nsEventListenerManager::HandleEvent(nsIPresContext* aPresContext,
             if (ls->mFlags & aFlags) {
               if (NS_OK == ls->mListener->QueryInterface(kIDOMPaintListenerIID,
                                                        (void**)&paintListener)) {
-                ret = paintListener->Paint(*aDOMEvent);
+                switch(aEvent->message) {
+                  case NS_PAINT:
+                    ret = paintListener->Paint(*aDOMEvent);
+                    break;
+                  case NS_RESIZE_EVENT:
+                    ret = paintListener->Resize(*aDOMEvent);
+                    break;
+                  default:
+                    break;
+                }
                 NS_RELEASE(paintListener);
               }
               else {
                 PRBool correctSubType = PR_FALSE;
-                PRUint32 subType = NS_EVENT_BITS_PAINT_PAINT;
-                if (ls->mSubType & NS_EVENT_BITS_PAINT_PAINT) {
-                  correctSubType = PR_TRUE;
+                PRUint32 subType = 0;
+                switch(aEvent->message) {
+                  case NS_PAINT:
+                    subType = NS_EVENT_BITS_PAINT_PAINT;
+                    if (ls->mSubType & NS_EVENT_BITS_PAINT_PAINT) {
+                      correctSubType = PR_TRUE;
+                    }
+                    break;
+                  case NS_RESIZE_EVENT:
+                    subType = NS_EVENT_BITS_PAINT_RESIZE;
+                    if (ls->mSubType & NS_EVENT_BITS_PAINT_RESIZE) {
+                      correctSubType = PR_TRUE;
+                    }
+                    break;
+                  default:
+                    break;
                 }
                 if (correctSubType || ls->mSubType == NS_EVENT_BITS_NONE) {
                   ret = HandleEventSubType(ls, *aDOMEvent, aCurrentTarget, subType, aFlags);
@@ -1785,6 +1812,15 @@ nsresult nsEventListenerManager::FlipCaptureBit(PRInt32 aEventTypes, PRBool aIni
       ls->mFlags |= NS_EVENT_FLAG_CAPTURE;
     }
   }
+  if (aEventTypes & nsIDOMEvent::RESIZE) {
+    iid = kIDOMPaintListenerIID;
+    ls = FindJSEventListener(iid);
+    if (ls) {
+      if (aInitCapture) ls->mSubTypeCapture |= NS_EVENT_BITS_PAINT_RESIZE; 
+      else ls->mSubTypeCapture &= ~NS_EVENT_BITS_PAINT_RESIZE;
+      ls->mFlags |= NS_EVENT_FLAG_CAPTURE;
+    }
+  }
   return NS_OK;
 }
 
diff --git a/layout/events/src/nsEventListenerManager.h b/layout/events/src/nsEventListenerManager.h
index 5ac323c0042..2ee9c8b3da1 100644
--- a/layout/events/src/nsEventListenerManager.h
+++ b/layout/events/src/nsEventListenerManager.h
@@ -232,5 +232,6 @@ protected:
 //nsIDOMPaintListener
 #define NS_EVENT_BITS_PAINT_NONE    0x00
 #define NS_EVENT_BITS_PAINT_PAINT   0x01
+#define NS_EVENT_BITS_PAINT_RESIZE  0x02
 
 #endif // nsEventListenerManager_h__
diff --git a/layout/events/src/nsEventStateManager.cpp b/layout/events/src/nsEventStateManager.cpp
index 68f55779927..9d19421e8d6 100644
--- a/layout/events/src/nsEventStateManager.cpp
+++ b/layout/events/src/nsEventStateManager.cpp
@@ -2602,7 +2602,33 @@ void nsEventStateManager::ForceViewUpdate(nsIView* aView)
 NS_IMETHODIMP
 nsEventStateManager::DispatchNewEvent(nsISupports* aTarget, nsIDOMEvent* aEvent)
 {
-  return NS_OK;
+  nsresult ret = NS_OK;
+
+  nsCOMPtr<nsIPrivateDOMEvent> privEvt(do_QueryInterface(aEvent));
+  if (aEvent) {
+    nsEvent* innerEvent;
+    privEvt->GetInternalNSEvent(&innerEvent);
+    if (innerEvent) {
+      nsEventStatus status;
+      nsCOMPtr<nsIScriptGlobalObject> target(do_QueryInterface(aTarget));
+      if (target) {
+        ret = target->HandleDOMEvent(mPresContext, innerEvent, &aEvent, NS_EVENT_FLAG_INIT, &status);
+      }
+      else {
+        nsCOMPtr<nsIDocument> target(do_QueryInterface(aTarget));
+        if (target) {
+          ret = target->HandleDOMEvent(mPresContext, innerEvent, &aEvent, NS_EVENT_FLAG_INIT, &status);
+        }
+        else {
+          nsCOMPtr<nsIContent> target(do_QueryInterface(aTarget));
+          if (target) {
+            ret = target->HandleDOMEvent(mPresContext, innerEvent, &aEvent, NS_EVENT_FLAG_INIT, &status);
+          }
+        }
+      }
+    }
+  }
+  return ret;
 }
 
 nsresult NS_NewEventStateManager(nsIEventStateManager** aInstancePtrResult)
diff --git a/layout/html/base/src/nsPresShell.cpp b/layout/html/base/src/nsPresShell.cpp
index 58b59cf526f..a55f0f21c54 100644
--- a/layout/html/base/src/nsPresShell.cpp
+++ b/layout/html/base/src/nsPresShell.cpp
@@ -1781,6 +1781,17 @@ PresShell::ResizeReflow(nscoord aWidth, nscoord aHeight)
   
   mViewManager->CacheWidgetChanges(PR_FALSE);
 
+  //Send resize event from here.
+  nsEvent event;
+  nsEventStatus status;
+  event.eventStructType = NS_EVENT;
+  event.message = NS_RESIZE_EVENT;
+  event.time = 0;
+
+  nsCOMPtr<nsIScriptGlobalObject> globalObj;
+	mDocument->GetScriptGlobalObject(getter_AddRefs(globalObj));
+  globalObj->HandleDOMEvent(mPresContext, &event, nsnull, NS_EVENT_FLAG_INIT, &status);
+  
   return NS_OK; //XXX this needs to be real. MMP
 }
 
diff --git a/widget/public/nsGUIEvent.h b/widget/public/nsGUIEvent.h
index 3f44303334c..e9ba2aeb478 100644
--- a/widget/public/nsGUIEvent.h
+++ b/widget/public/nsGUIEvent.h
@@ -336,6 +336,9 @@ enum nsDragDropEventStatus {
 // Indicates a script error has occurred
 #define NS_SCRIPT_ERROR                 (NS_WINDOW_START + 50)
 
+// Indicates a script error has occurred
+#define NS_RESIZE_EVENT                 (NS_WINDOW_START + 60)
+
 #define NS_MOUSE_MESSAGE_START          300
 #define NS_MOUSE_MOVE                   (NS_MOUSE_MESSAGE_START)
 #define NS_MOUSE_LEFT_BUTTON_UP         (NS_MOUSE_MESSAGE_START + 1)