       needSize = @totalItems * @itemSize
       @jLine[@sizeAttr](needSize)  if @jLine[@sizeAttr]() < needSize
       @displayItems = Math.round(@jDisplay[@sizeAttr]() / @itemSize)
-      @moveItems = Math.round(@displayItems / 2)
+      @moveItems ||= Math.round(@displayItems / 2)
       @overItems = @totalItems - @displayItems
       if @overItems
         if @prevItems

# TODO timeout without cycling, maybe bouce effect
# TODO mousewheel

Ultimate.Backbone.Views ||= {}


  cycling: false
  interval: 0
  durationPerPixel: 2
  moveItems: 0

  totalItems: 0
  itemSize: 0
  displayItems: 0
  overItems: 0
  prevItems: 0 # can as setting

