anchor.diff:          async: true,
           type: "POST",
           url: "<%= url_for "/complete_task" %>",
  -        data: { project: project_key, task_id: ui.draggable.attr('id') },
  +        data: { project: project_key, task_id: ui.draggable.data('id') },
           dataType: 'json',
         })
   
  
positive.code:     staff = add_staff_html(this._id, this.name)
  
      if this.task_id
        staff.find('.assigned-task').append($('#' + this.task_id))
    )
  
    # add staff handler
  
negative.code: add_staff_html = (id, name) ->
    # copy element
    new_staff = $('#staff-template').clone()
    new_staff.attr('id', 'staff_' + id)
    new_staff.data('id', id)
    new_staff.find('.name').text(name)
    new_staff.show()
  
  