def index
    unless cookies[:auth_token].nil?
      @user = User.find_by_remember_token(cookies[:auth_token])
      cookies[:auth_token] = { :domain => "localhost",
                               :value => @user.remember_token ,
                               :expires => @user.remember_token_expires_at
                             }

      @users = User.find(:all, :order=>'user_group_id')

      respond_to do |format|
        format.html # index.html.erb
        format.xml  { render :xml => @users }
        format.fxml  { render :fxml => @users }
      end
    else
      render :text => "sorry"
    end
  end