```coffeescript
window.MandrillMerge or= {}

class MandrillMergeApp
  constructor: ->
    @bindEvents()

  bindEvents: ->
    $('#hello-coffeescript').on('click', @greet)

  submit_my_form: (caller)->
    caller.parent().prev('form').submit()

  go_back: (caller)->
    alert 'watch this space'

$ ->
  window.MandrillMerge.app = new MandrillMergeApp()
  ```

Implement back button. Wasn't that hard.
user
```coffeescript
window.MandrillMerge or= {}

class MandrillMergeApp
  constructor: ->
    @bindEvents()

  bindEvents: ->
    $('#hello-coffeescript').on('click', @greet)

  submit_my_form: (caller)->
    caller.parent().prev('form').submit()

  go_back: (caller)->
    caller.parents('.accordion-navigation').prev().find('a').click()

$ ->
  window.MandrillMerge.app = new MandrillMergeApp()
  ```
assistant