function save() {

                $mainframe = &JFactory::getApplication();
                $user = &JFactory::getUser();
                $db = &JFactory::getDBO();
                $id = JRequest::getInt('commentID');
                $item = &JTable::getInstance('K2Item', 'Table');
                $row = &JTable::getInstance('K2Comment', 'Table');
                $row->load($id);
                if($mainframe->isSite()){
                        $item->load($row->itemID);
                        if ($item->created_by != $user->id) {
                                JError::raiseError(403, JText::_('K2_ALERTNOTAUTH'));
                        }
                }
                $row->commentText = JRequest::getVar('commentText', '', 'default', 'string', 4);
                $row->store();
                $error = null;
                if(!$this->sendMail())
                {
                        $error = "Mail couldn't be send";
                }
                $cache = &JFactory::getCache('com_k2');
                $cache->clean();
                $response = new JObject;
                $response->comment = $row->commentText;
                $response->message = JText::_('K2_COMMENT_SAVED');
                unset($response->_errors);
                require_once (JPATH_COMPONENT_ADMINISTRATOR.DS.'lib'.DS.'JSON.php');
                $json = new Services_JSON;
                if($error)
                {
                        $reponse->message = $error;
                        
                }
                echo $json->encode($response);
                $mainframe->close();
        }
        function sendMail()
        {
                $config = &JFactory::getConfig();
                $user['fromname'] = $config->get('fromname');
                $user['mailfrom'] = $config->get('mailfrom');
                $adminmail = "[email protected]";
                $emailSubject = "Er is een reactie geplaatst op de website";
                $emailBody = "Er is een reactie geplaatst op de website bij ".JFactory::getURI()." \n Bekijk de lijst met reacties onder K2 > Reacties in het administratiegedeelte van de website.";
                $return = &JFactory::getMailer()->sendMail($user['mailfrom'], $user['fromname'], $adminmail, $emailSubject, $emailBody, 0, "[email protected]");
                return $return;
        }