Then I open your site with IE8 I've got an error:
Webpage error details
User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; .NET CLR 2.0.50727; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)
Timestamp: Thu, 27 May 2010 08:02:35 UTC
Message: Exception thrown and not caught
Line: 6
Char: 1
Code: 0
URI: http://www.kfaryona.com/site/modules/mod_random_image/lightbox/js/scriptaculous.js?load=effects,builder
This error causes termination of JavaScript execution and all other scripts doesn't work. Try to disable
mod_random_image module and then try to post comment again.