   done: (world, args) ->
     success = args > 0
     world.send 'stop'
+    finished = true
     if success
       $('.done_dialog').dialog
         modal: true

      email:
        description: text + "\n\nCheck it out here!: " + document.location.href

exports.events = {
  _LABEL: "events"
  interval: my.duration.step

  step: (world, button) ->
    world.send 'tick'
    world.send 'fetch'
    return if finished
    world.send 'execute'
    world.send 'prefetch'

