     var _topViewController: UIViewController?
     var _leftViewController: UIViewController?
     
+    var contentCoverView: UIView
+    
+    func contentCoverViewClicked() {
+        self.isLeftViewControllerPresented = false
+    }
     
     func moveMenu(panGesture: UIPanGestureRecognizer) {
         panGesture.view?.layer.removeAllAnimations()

    }
    
    func brindLeftViewToFront() {
        if let vc = self.leftViewController {
            self.view.bringSubviewToFront(vc.view)
        }

            
            let animations = { () -> () in
                leftVC.view.frame = frame
                self.contentCoverView.alpha = newValue ? 1.0 : 0.0
            }
            
            UIView.animateWithDuration(SideViewControllerOpenAnimationDuration, delay: 0, options: UIViewAnimationOptions.BeginFromCurrentState, animations: animations, completion: nil)
        }
    }
    
    public override init(nibName nibNameOrNil: String?, bundle nibBundleOrNil: NSBundle?) {
        self.contentCoverView = UIView()
        super.init(nibName: nibNameOrNil, bundle: nibBundleOrNil)
    }
    
    public required init?(coder aDecoder: NSCoder) {
        self.contentCoverView = UIView()
        super.init(coder: aDecoder)
    }
    
    public override func viewDidLoad() {
        super.viewDidLoad()
        
        self.contentCoverView.frame = self.view.bounds
        self.contentCoverView.backgroundColor = UIColor(red: 0.0, green: 0.0, blue: 0.0, alpha: 0.5)
        self.contentCoverView.alpha = 0.0
        
        let tapOnContentCoverViewGesture = UITapGestureRecognizer(target: self, action: "contentCoverViewClicked")
        self.contentCoverView.addGestureRecognizer(tapOnContentCoverViewGesture)
        
        self.view.addSubview(self.contentCoverView)
    }
    
    //
