     zregex = new RegExp(searchText.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&"), 'i')
 
     for option in @results_data
-      if not option.empty
+      if this.include_option_in_results(option)
 
         option.group_match = false if option.group
 

  container_width: ->
    return if @options.width? then @options.width else "#{@form_field.offsetWidth}px"

  # class methods and variables ============================================================ 

  @browser_is_supported: ->

    content

  result_add_option: (option) ->
    return '' unless this.include_option_in_results(option)

    classes = []
    classes.push "active-result" if !option.disabled and !(option.selected and @is_multiple)
    classes.push "disabled-result" if option.disabled and !(option.selected and @is_multiple)
