Создание плагина для Xmap - Xmap

<?php
defined( '_VALID_MOS' ) or defined( '_JEXEC' ) or die( 'Direct Access to this location is not allowed.' );

class xmap_com_top_hotels {

   	function &getTree( &$xmap ) {
   	  // $tree = array();
	   $link_query = parse_url( $parent->link );
       parse_str( html_entity_decode($link_query['query']), $link_vars );
       $id_country = intval(JArrayHelper::getValue($link_vars,'id_country',0));

       xmap_com_top_hotels::getCategoryTree($xmap,$parent, $id_country);

	 //  return $tree;
	}   

	function &getCategoryTree( &$xmap,&$parent,  $id_country=0) {

		$database = &JFactory::getDBO();
		$mosConfig_absolute_path = JPATH_SITE;

		$query  = "SELECT id,name FROM `#__hotel_hotel` WHERE `country`='".$id_country."'  ORDER BY name ASC";
		$database->setQuery( $query );
		$rows = $database->loadObjectList();

		$xmap->changeLevel(1);
		foreach($rows as $row) {
			$node = new stdclass;
			$node->id = $parent->id;
			$node->uid = $parent->uid.'c'.$row->id;
 		    $node->name = stripslashes($row->name);
			$node->link = $parent->link.'ссылка с id'.$row->id.'&amp;Itemid=8';
			$xmap->printNode($node);
	    	}
   		$xmap->changeLevel(-1);
	}
}
?>