app/assets/javascripts/comments.js.coffee
@CommentPoller =
poll: ->
setTimeout @request, $('#user_options').data('pollingTime');
request: ->
$.get($('.showcomments').data('url'), after: $('.comment').last().data('id'));
addComment: (comments) ->
if comments.length > 0
$('.showcomments').append($(comments).hide());
for comment in comments
$(comment).fadeIn('slow');
@poll()
jQuery ->
if ('.comment').length > 0
CommentPoller.poll()