- content_for :head do
  :javascript
    $(function() {
      $("#task_user_list").tokenInput("#{users_path(:format => :json)}", {
        crossDomain: false,
        prePopulate: $("#task_user_list").data("pre")
      });
    });

= simple_form_for @task do |f|
  = f.input :name
  = f.input :description
  = f.input :duration, :as => :select, :collection => 1..3
  = f.input :user_list, :as => :string, :input_html => { 'data-pre' => @task.users.map { |u| {:id => u.id, :name => u.nick} }.to_json }
  = f.input :required_users
  = f.association :workgroup
  = f.input :due_date, :include_blank => true
  = f.submit