<%= form_for(:user, :url => { :action => 'update' }, :html => {:method => :put}) do %>
<% user_group_ids = @user.group_ids %> <% Group.givable.sort.each do |group| %>
<% end %> <%= hidden_field_tag 'user[group_ids][]', '' %>

<%= check_all_links 'user_group_ids' %>

<%= submit_tag l(:button_save) %> <% end %>