 		if @width > @height
 			@fill.height = @height
 			@knob.centerY()
-			@knobOverlay.centerY()
 		else
 			@fill.width = @width
 			@knob.centerX()
-			@knobOverlay.centerX()
 
 		@sliderOverlay.center()
 
 	_setRadius: =>
 		radius = @borderRadius
 		@fill.style.borderRadius = "#{radius}px 0 0 #{radius}px"
-
-	_setOverlayRadius: =>
-		@knobOverlay.borderRadius = (@knob.borderRadius * 2) + (@hitArea / 4)
 
 	@define "knobSize",
 		get: -> @_knobSize

		get: -> @_hitArea

		set: (value) ->

			@_hitArea = value

			@knobOverlay.props =
				width: @knobSize or 30 + @_hitArea
				height:	@knobSize or 30 + @_hitArea

			@sliderOverlay.props =
				width: @width + @_hitArea
				height:	@height + @_hitArea

	@define "min",
		get: -> @_min or 0

			@_updateFrame()
			@_updateValue()

		@sliderOverlay.on(Events.TapStart, @_touchStart)
		@sliderOverlay.on(Events.Pan, @_touchMove)
		@sliderOverlay.on(Events.TapEnd, @_touchEnd)

	_touchStart: (event) =>
		event.preventDefault()
