def comment
   @comment = Podcast.find(params[:id]).comments.create(params[:comment])
   @comment.user = current_user
   @comment.save
    flash[:commentsnotice] = "Successfully added your comment to the bottom."
    render :update do |page|
      page.insert_html :bottom, 'comments',
      "
{This is where I put my html  to show up at the bottom of the comments div}
      "
    end
    #redirect_to :action => "show", :id => params[:id]
  end