Adding jquery-ui datepicker to rails view

jquery-ui-datepicker-rails-part1.html.haml

# in your application layout (using HAML)
= javascript_include_tag '//ajax.googleapis.com/ajax/libs/jqueryui/1.8/jquery-ui.min.js'
= stylesheet_link_tag "//ajax.googleapis.com/ajax/libs/jqueryui/1.8/themes/smoothness/jquery-ui.css"

# in your view (HAML + simple_form, simplified for easier reading)
= simple_form_for @bp_reading do |f|
  = f.input :recorded_at, :as => :string, :input_html => { :class => 'jquery-ui-date'}
  = f.button :submit, :disable_with => "Saving...", :value => "Save"

# in your javascript (coffeescript)
$ ->
  $(".jquery-ui-date").datepicker()