class CommentsController < ApplicationController 
  helper :profile, :avatar 
  include ProfileHelper 
  before_filter :protect, :load_post 
  
  def new 
    @comment = Comment.new 
  
    respond_to do |format| 
      format.js do 
        render :update do |page| 
          page.hide "add_comment_link_for_post_#{@post.id}" 
          page.replace_html "new_comment_form_for_post_#{@post.id}", 
                            :partial => "new" 
        end 
      end 
    end 
  end 

  private 

  def load_post 
    @post = Post.find(params[:post_id]) 
  end
end