diff --git a/AppKit/CPApplication.j b/AppKit/CPApplication.j
index 399b272f5..5b79154c3 100644
--- a/AppKit/CPApplication.j
+++ b/AppKit/CPApplication.j
@@ -135,19 +135,19 @@ CPRunContinuesResponse  = -1002;
         [_mainMenu addItem:openMenuItem];
         
         var saveMenu = [[CPMenu alloc] initWithTitle:@"Save"],
-            saveMenuItem = [[CPMenuItem alloc] initWithTitle:@"Save" action:@selector(saveDocument:) keyEquivalent:@""];
+            saveMenuItem = [[CPMenuItem alloc] initWithTitle:@"Save" action:@selector(saveDocument:) keyEquivalent:nil];
         
         [saveMenuItem setImage:[[CPImage alloc] initWithContentsOfFile:[bundle pathForResource:@"CPApplication/Save.png"] size:CGSizeMake(16.0, 16.0)]];
         [saveMenuItem setAlternateImage:[[CPImage alloc] initWithContentsOfFile:[bundle pathForResource:@"CPApplication/SaveHighlighted.png"] size:CGSizeMake(16.0, 16.0)]];        
         
         [saveMenu addItem:[[CPMenuItem alloc] initWithTitle:@"Save" action:@selector(saveDocument:) keyEquivalent:@"S"]];
-        [saveMenu addItem:[[CPMenuItem alloc] initWithTitle:@"Save As" action:@selector(saveDocumentAs:) keyEquivalent:@""]];
+        [saveMenu addItem:[[CPMenuItem alloc] initWithTitle:@"Save As" action:@selector(saveDocumentAs:) keyEquivalent:nil]];
         
         [saveMenuItem setSubmenu:saveMenu];
         
         [_mainMenu addItem:saveMenuItem];
         
-        var editMenuItem = [[CPMenuItem alloc] initWithTitle:@"Edit" action:nil keyEquivalent:@""],
+        var editMenuItem = [[CPMenuItem alloc] initWithTitle:@"Edit" action:nil keyEquivalent:nil],
             editMenu = [[CPMenu alloc] initWithTitle:@"Edit"],
             
             undoMenuItem = [[CPMenuItem alloc] initWithTitle:@"Undo" action:@selector(undo:) keyEquivalent:CPUndoKeyEquivalent],
diff --git a/AppKit/CPFlashView.j b/AppKit/CPFlashView.j
index f1cfa724b..1df332902 100644
--- a/AppKit/CPFlashView.j
+++ b/AppKit/CPFlashView.j
@@ -61,7 +61,7 @@
         _DOMEmbedElement = document.createElement("embed");
 
         _DOMEmbedElement.type = "application/x-shockwave-flash";
-        _DOMEmbedElement.wmode = "transparent";
+        _DOMEmbedElement.setAttribute("wmode", "transparent");
         _DOMEmbedElement.width = "100%";
         _DOMEmbedElement.height = "100%";
 
diff --git a/AppKit/CPMenu.j b/AppKit/CPMenu.j
index 1aed32613..f0a1c73d9 100644
--- a/AppKit/CPMenu.j
+++ b/AppKit/CPMenu.j
@@ -179,6 +179,11 @@ var _CPMenuBarVisible               = NO,
     return 0.0;
 }
 
++ (float)menuBarHeight
+{
+    return MENUBAR_HEIGHT;
+}
+
 // Creating a CPMenu Object
 /*!
     Initializes the menu with a specified title.
@@ -643,7 +648,8 @@ var _CPMenuBarVisible               = NO,
     else
         target = [aMenuItem target];
 
-    [CPApp sendAction:action to:target from:nil];
+    if([aMenuItem isEnabled])
+        [CPApp sendAction:action to:target from:nil];
 }
 
 // Managing Display of State Column
diff --git a/AppKit/CPMenuItem.j b/AppKit/CPMenuItem.j
index 543f2ca46..bf0656946 100644
--- a/AppKit/CPMenuItem.j
+++ b/AppKit/CPMenuItem.j
@@ -727,7 +727,14 @@ CPControlKeyMask
 
 - (id)init
 {
-    return [super initWithTitle:@"" action:nil keyEquivalent:@""];
+    self = [super initWithTitle:@"" action:nil keyEquivalent:nil];
+    
+    if (self)
+    {
+        [self setEnabled:NO];
+    }
+    
+    return self;
 }
 
 - (BOOL)isSeparatorItem
@@ -920,6 +927,17 @@ var _CPMenuItemSelectionColor                   = nil,
         
     var view = [_menuItem view];
     
+    if ([_menuItem isSeparatorItem])
+    {
+        var line = [[CPView alloc] initWithFrame:CGRectMake(0.0, 8.0, 1000.0, 1.3)];
+        view = [[CPView alloc] initWithFrame:CGRectMake(0.0, 0.0, 0.0, 20.0)];
+        
+        [view setAutoresizingMask:CPViewWidthSizable];
+        [line setBackgroundColor:[CPColor lightGrayColor]];
+        
+        [view addSubview:line];
+    }
+    
     if (view)
     {
         [_imageAndTitleView removeFromSuperview];
@@ -1054,23 +1072,26 @@ var _CPMenuItemSelectionColor                   = nil,
     
     else
     {
-        [_imageAndTitleView setTextColor:shouldHighlight ? [CPColor whiteColor] : [self textColor]];
-        
-        if (shouldHighlight)
-            [self setBackgroundColor:_CPMenuItemSelectionColor];
-        else
-            [self setBackgroundColor:nil];
-            
-        var state = [_menuItem state];
-            
-        switch (state)
+        if([_menuItem isEnabled])
         {
-            case CPOffState:
-            case CPOnState:
-            case CPMixedState:  [_stateView setImage:shouldHighlight ? _CPMenuItemDefaultStateHighlightedImages[state] : _CPMenuItemDefaultStateImages[state]];
+            [_imageAndTitleView setTextColor:shouldHighlight ? [CPColor whiteColor] : [self textColor]];
+            
+            if (shouldHighlight)
+                [self setBackgroundColor:_CPMenuItemSelectionColor];
+            else
+                [self setBackgroundColor:nil];
+            
+            var state = [_menuItem state];
+            
+            switch (state)
+            {
+                case CPOffState:
+                case CPOnState:
+                case CPMixedState:  [_stateView setImage:shouldHighlight ? _CPMenuItemDefaultStateHighlightedImages[state] : _CPMenuItemDefaultStateImages[state]];
                                 break;
                                 
-            default:            [_stateView setImage:nil];
+                default:            [_stateView setImage:nil];
+            }
         }
     }
 }
diff --git a/AppKit/CPPopUpButton.j b/AppKit/CPPopUpButton.j
index bd8f19659..f4c5cca39 100644
--- a/AppKit/CPPopUpButton.j
+++ b/AppKit/CPPopUpButton.j
@@ -143,7 +143,7 @@ var CPPopUpButtonArrowsImage = nil;
 */
 - (void)addItemWithTitle:(CPString)aTitle
 {
-    [_menu addItemWithTitle:aTitle action:NULL keyEquivalent:NULL];
+    [_menu addItemWithTitle:aTitle action:NULL keyEquivalent:nil];
 }
 
 /*!
@@ -173,7 +173,7 @@ var CPPopUpButtonArrowsImage = nil;
         if ([items[count] title] == aTitle)
             [self removeItemAtIndex:count];
         
-    [_menu insertItemWithTitle:aTitle action:NULL keyEquivalent:NULL atIndex:anIndex];
+    [_menu insertItemWithTitle:aTitle action:NULL keyEquivalent:nil atIndex:anIndex];
 }
 
 /*!