function prepare()
	{
		$params = array();
		$params['id'] = $this->get('node_id');
		$params['action'] = 'order';
		$params['rn'] = time();
		$params['popup'] = 1;
		
		$this->set('order_up_alt', strings :: get('order_up'));
		$this->set('order_down_alt', strings :: get('order_down'));
		
		if (!$this->get('is_first_child'))
		{
			$params['direction'] = 'up';
			$this->set('order_up_href', add_url_query_items($_SERVER['PHP_SELF'], $params));
		}	
		else
			$this->set('order_up_href', '');

		if (!$this->get('is_last_child'))
		{
			$params['direction'] = 'down';
			$this->set('order_down_href', add_url_query_items($_SERVER['PHP_SELF'], $params));
		}	
		else
			$this->set('order_down_href', '');
		
		return parent :: prepare();	
	}