   private var _draw = false
   private var _numVerticalLines   = 0
   private var _numHorizontalLines = 0
+  var xInterval: CGFloat = 0
   
   
   override func drawRect(rect: CGRect) {

    
    _draw = true
    _numVerticalLines = num;
  }
}
      return
    }
    
    var x: CGFloat =  0
    let y: CGFloat = 20
    
