         }
         else
         {
-            tabBar.alpha = 1.0;
             actionBar.alpha = 1.0;
             
+            // The content group is placed below the actionBar and spans the
+            // remaining space of the navigator.
     		if (contentGroup.includeInLayout)
     		{
-    			var contentGroupHeight:Number = unscaledHeight - top;
+    			var contentGroupHeight:Number = Math.max(unscaledHeight - actionBarHeight, 0);
+                
     			
-    			if (contentGroupHeight < contentGroup.minHeight)
-    				contentGroupHeight = contentGroup.minHeight;
-                
                 contentGroup.setLayoutBoundsSize(unscaledWidth, contentGroupHeight);
-                contentGroup.setLayoutBoundsPosition(0, top);
+                contentGroup.setLayoutBoundsPosition(0, actionBarHeight);
     		}
         }
     }

     */
    override protected function updateDisplayList(unscaledWidth:Number, unscaledHeight:Number):void
    {
        var top:Number = 0;
        var componentHeight:Number;
        
        if (tabBar.includeInLayout)
        {
            tabBar.alpha = .5;
            componentHeight = tabBar.getPreferredBoundsHeight();
            tabBar.setLayoutBoundsSize(unscaledWidth, componentHeight);
            tabBar.setLayoutBoundsPosition(0, top);
            
            top += componentHeight;
        }
        
        if (actionBar.includeInLayout)
        {
            actionBar.alpha = .5;
            componentHeight = actionBar.getPreferredBoundsHeight();
            
            actionBar.setLayoutBoundsSize(unscaledWidth, componentHeight);
            actionBar.setLayoutBoundsPosition(0, top);
            
            top += componentHeight;
        }
        
        if (hostComponent.overlayControls)
        {
            tabBar.alpha = .5;
            actionBar.alpha = .5;
            
            if (contentGroup.includeInLayout)
            {

    //--------------------------------------------------------------------------
    
    /**
     *  @private
     * 
     *  @langversion 3.0
     *  @playerversion Flash 10.1
