// Send comment
function saveComment(base, entityId, entity){
    if($('#comment_text').val() == null || $('#comment_text').val().length<=0){
        alert('Заполните текст комментария!');
        return false;
    }

    var data =
            'ajax=true&returnId='+entityId+'&commentDomain='+entity+
            '&name='+encodeURIComponent($('#comment_name').val())+
            '&mail='+encodeURIComponent($('#comment_mail').val())+
            '&subject='+encodeURIComponent($('#comment_subject').val())+
            '&text='+encodeURIComponent($('#comment_text').val())+
            '&captchaCode='+encodeURIComponent($('#frm_captcha').val())+
            '&captchaHash='+encodeURIComponent($('#captchaHash').val());
    $.post(
        base + '/comment/save',
        data,
        function(data){
            $('#comment_message').html(data);
            if($('#comment_error').size()<=0){
                $('.clearable').val('');
            }
            captchaReload(base, cbs);
        }
    );
    return false;
}

// comment button state
function cbs(){
    var form = document.forms.commentForm;
    if(form.captchaCode.value.length == 4 && form.text.value.length>0) {
        $('#commentButton').removeAttr('disabled');
    } else{
        $('#commentButton').attr('disabled', 'disabled');
    }
}