     private let maxLetterSize:CGSize
     private let deltaUpperCase:UInt32
     private let deltaLowerCase:UInt32
+    private let kSpeedY:CGFloat = -1
     private let kFontSize:CGFloat = 20
     private let kMaxLetterWidth:CGFloat = 300
     private let kMaxLetterHeight:CGFloat = 30

        
        if shoudlAddItem == 0
        {
            if items.count < kMaxItems
            {
                guard
                    

                    positionY:positionY,
                    width:width,
                    height:height)
                
                self.items.append(item)
            }
        }
        
        var newItems:[MSettingsBackgroundItem] = []
        
        for item:MSettingsBackgroundItem in items
        {
            item.positionY += kSpeedY
            
            let itemMaxY:CGFloat = item.positionY + item.height
            
            if itemMaxY > 0
            {
                newItems.append(item)
            }
        }
        
        self.items = newItems
    }
    
    func draw(context:CGContext)
