rails 2.3.x-esque remote_form_for in rails 3

gistfile1.erb

<%= form_tag action_path, :id => 'remote_form', :remote => true do %>
  <%= submit_tag %>
<% end %>

<div id="result"></div>

<%= javascript_tag do %>
  jQuery(function($) {
    $("#remote_form").bind("ajax:success", function(ev, data) {
      $("#result").html(data);
    });
  });
<% end %>