   @content: ->
     @div class: 'butterfly overlay from-top', =>
 
+      # content view of each step, insert here
       @div outlet: 'contentView', class: 'content'
 
       @div class: 'actions', =>

  initialize: ->
    throw new Error('@flow must be specified.') unless @constructor.flow

    #multi inheritance...
    _.extend this, EventEmitter.prototype

    @order = 0 #current flow order


  destroy: ->
    @detach()

  enableNext: ->
    @next.prop 'disabled', false

  disableNext: ->
    @next.prop 'disabled', true
