tracks/app/views/notes/update.js.erb

<% if @saved -%>

  page_notify('notice', 'Note <%=@note.id %> saved', 5);
  replace_note_form_with_updated_note();

<% else -%>
  TracksForm.show_errors(html_for_error_messages());
<% end %>

function replace_note_form_with_updated_note() {
  $('#<%= dom_id(@note, 'edit')%>').fadeOut(250, function() {
    $('#<%= dom_id(@note, 'edit')%>').html(html_for_updated_note_form());
    $('div.project_notes#<%= dom_id(@note)%>').html(html_for_updated_note_details());
    $('#<%= dom_id(@note)%>').fadeIn(500);
  });
}

function html_for_error_messages() {
  return "<%= escape_javascript(error_messages_for('note')) %>";
}

function html_for_updated_note_form(){
  return "<%= escape_javascript(render(:partial => 'note_edit_form', :object => @note)) %>";
}

function html_for_updated_note_details(){
  return "<%= escape_javascript(render(:partial => 'note_details', :object => @note)) %>";
}