AJAX счетчик новых сообщений - JomSocial

defined('_JEXEC') or die;
include_once JPATH_ROOT.'/components/com_community/libraries/core.php';

// Note. It is important to remove spaces between elements.
header('Content-Type: text/javascript; charset=UTF-8');  

?>
</ul>
<script type="text/javascript">
      	function show()  
       {  
            $.ajax({
             	  url: 'http://mysite.ru/ajax.php',
                type: 'Get',
		  dataType: 'json',
		  cache: false,  
                success: function(html){  
                    $("#bage").html('+' + html);  
                }  
            });  
       }  
        $(document).ready(function(){  
		show();  
            setInterval('show()',5000);  
        });  
</script>

<?php
$count = 7;
echo $count;
?>

$my = CFactory::getUser();
		$uId = $my->id;

		if(!function_exists('myOwnFunc'))
		{
			function myOwnFunc($filter)
			{
				$db = JFactory::getDBO();
		 		$unRead = 0;
		 
		 		// Skip the whole db query if no user specified
			 	if(empty($filter['user_id']))
			 		return 0;
		 
			 	$sql = 'select count('.$db->Quote('1').') as '.$db->quoteName('unread_count');
			 	$sql .= ' from '.$db->quoteName('#__community_msg_recepient');
			 	$sql .= ' where '.$db->quoteName('is_read').' = '.$db->Quote('0');
			 	if(! empty($filter['parent']))
			     		$sql .= ' and '.$db->quoteName('msg_parent').' =' . $db->Quote($filter['parent']);		 
			 	if(! empty($filter['user_id']))
			     		$sql .= ' and '.$db->quoteName('to').' =' . $db->Quote($filter['user_id']);		 		 
		 
			 	$sql .= ' and '.$db->quoteName('deleted').' = '.$db->Quote('0');
			 	$db->setQuery($sql);		 
			 	$result = $db->loadObject();
		 
			 	if(! empty($result)){
			     		$unRead = $result->unread_count;
			 	}
																																										 
		 		return $unRead; 
		}

		$count = (int)myOwnFunc( array( 'user_id' => $uId ) );
                echo $count;