                 ]
 
             @inOutSelect.render().$el.prependTo(@$el)
-            @$('.help-block').hide()
+            @ui.help.hide()
 
             @set(@context)
 
         toggleHelpText: (event) ->
-            @$('.help-block').toggle()
+            @ui.help.toggle()
             event.preventDefault()
 
         isBetweenSelected: ->


    templates = _.object ['number'], templates

    class NumberControl extends controls.Control
        template: templates.number


            inOutSelect: '.btn-select'
            lowerBound: '.range-from'
            upperBound: '.range-to'
            help: '.help-block'

        onRender: ->
            @inOutSelect = new button.ButtonSelect
