 {
     weak var cross:UIImageView!
     weak var button:UIButton!
+    weak var layoutButtonLeft:NSLayoutConstraint!
+    weak var layoutButtonTop:NSLayoutConstraint!
     private let kButtonSize:CGFloat = 60
     
     init()

            options:[],
            metrics:metrics,
            views:views))
        
        showPointer()
    }

            "cross":cross,
            "button":button]
        
        let metrics:[String:AnyObject] = [
            "buttonSize":kButtonSize]
        
        addConstraints(NSLayoutConstraint.constraintsWithVisualFormat(
            "H:|-0-[cross]-0-|",
