 {
 import flash.events.Event;
 import flash.events.InvokeEvent;
-import flash.events.KeyboardEvent;
 import flash.events.StageOrientationEvent;
 import flash.net.registerClassAlias;
-import flash.ui.Keyboard;
 
 import mx.core.IVisualElement;
 import mx.core.mx_internal;

     */  
    override public function get canCancelBackKeyBehavior():Boolean
    {
        return navigator && navigator.canCancelBackKeyBehavior;
    }
    
    //----------------------------------

    {
        super.backKeyHandler();
        
        if (viewMenuOpen)
            viewMenuOpen = false;
        else
            navigator.backKeyHandler();
    }
    
    /**
