function __construct()
{
        var form = $("commentForm");

        if(form)
        {
            var comment = new Comment(form);
            
            var captchaChangeLink = $('linkGenerateNewCaptchaImg');
            
            var captchaOnClick = function(event)
            {
                CaptchaCode.replaceCaptchaImage(form.publicCode.value, form);
                event.preventDefault();
            }
            
            if(captchaChangeLink)
            {
                captchaChangeLink.addEvent("click", captchaOnClick.handler(this));
            }
        }
}