      *  @productversion Flex 4.5
      */
     public function hideTabBar(animate:Boolean = true):void
-    {	
+    {   
         if (!tabBar)
             return;
         

    }
    
    /**
     *  Shows the tab bar of the navigtor
     *  
     *  @param animate Flag indicating whether a hide effect should play.
     *  This property is code>true</code> by default.
     * 
     *  @langversion 3.0
     *  @playerversion Flash 10.1

    {
        if (event.property == "tabBarVisible")
        {
            if (event.newValue)
                showTabBar();
            else
                hideTabBar();
        }
        else if (event.property == "overlayControls")
        {
