==========
Main view snippet - in dvd controller
==========

<div class="ajax" id="ajax_login">
  <%= render :action => 'login' %>
</div>

==========
DVD Controller snippet
==========

  def login
    unless request.get?
      @user_value = params[:user]
      @password_value = params[:password]
      # render :controller => 'login', :action => 'login', :user => @user_value, :password => @password_value
      redirect_to :controller => 'login', :action => 'login', :post => true, :user => @user_value, :password => @password_value
    else
      redirect_to :controller => 'login', :action => 'login'
    end
  end

==========
Login Controller (purpose is for all user-related transactions
==========

def login
  @user_store = UserStore.new(params[:user_store])
  unless request.get?
  if @user_store.save
    user = User.authenticate( @user_store.name, @user_store.password )
    if user
      session[:user_id] = user.id
      unless user.last_login.blank?
        login_minus_now = user.last_login.strftime('%d-%b-%y at %I:%M %p').to_s
        welcome = "Welcome back, #{user.name}!"
      else
        login_minus_now = 'never'
        welcome = "Welcome to DVD, #{user.name}!"
      end
      user.update_attribute( 'last_login', Time.now )
      welcome = welcome << ' You last logged in ' << login_minus_now << '.'
      flash[:notice] = welcome
      # redirect_to :action => 'index'
      render :partial => 'index'
    else
      flash[:notice] = 'Sorry, invalid username/password combination. Please try again.'
      render :action => 'login'
   end
  end
  else
  render :action => 'login'
  end
end

def index
  # if params[:inline] == 'true'
  render :partial => 'index'
  # end
end

================
Index partial (_index.rhtml in login controller space)
================
<div class="text" id="login">
<% if session[:user_id] %>
  <% user_name = User.find_by_id(session[:user_id]) %>
  Logged in as <%= user_name.name %>. &nbsp; | &nbsp; <%= link_to 'Logout', :controller => 'login', :action => 'logout' %>
<% else %>
  Not logged in.
  <%= link_to 'Login', :action => 'login' %>
<% end %>
</div>

================
Login partial
================

<% # <h2>Login to DVD Software</h2> %>
<div class="container" id="login">
<%= form_remote_tag :url => { :controller => 'login', :action => 'login' } %>
  <div class="container" id="login_user_name">
    <label for="name">Name:</label>
    <%= text_field 'user_store', 'name', :size => 10 %>
  </div>

  <div class="container" id="login_password">
    <label for="password">Password:</label>
    <%= password_field 'user_store', 'password', :size => 10 %>
  </div>
  <% submit_tag 'Login' %>
<%= end_form_tag %>
</div>