gistfile1.rhtml

# Combining all your javascripts in production mode
<%= javascript_include_tag :all, :cache => true %>
<%= javascript_include_tag :all, :cache => "main" %>
<%= javascript_include_tag "product", "cart", "checkout", :cache => "shop" %>

# Same sort of stuff with stylesheets
<%= stylesheet_link_tag :all, :cache => true %>

# Declaring an asset host
ActionController::Base.asset_host = "assets.example.com"

# What uses the asset host url
<%= image_tag 'title.gif' %>
<%= javascript_include_tag :all %>
<%= stylesheet_link_tag :all %>