      */ 
     override protected function backKeyUpHandler(event:KeyboardEvent):void
     {
-		super.backKeyUpHandler(event);
-		
-		if (viewMenuOpen)
-			viewMenuOpen = false;
-		else if (navigator)
+        super.backKeyUpHandler(event);
+        
+        if (viewMenuOpen)
+            viewMenuOpen = false;
+        else if (navigator)
             navigator.backKeyUpHandler();
     }
     

     */ 
    override mx_internal function get exitApplicationOnBackKey():Boolean
    {
    	if (navigator)
    		return navigator.exitApplicationOnBackKey;
    	
        return super.exitApplicationOnBackKey;
    }
    

    //  navigators
    //----------------------------------
    /**
     *  @copy TabbedViewNavigator#navigators
     *  
     *  @default null
     * 
