public function taggedAll( $beanType, $tagList ) {
		if ($tagList!==false && !is_array($tagList)) $tags = explode( ",", (string)$tagList); else $tags=$tagList;
		$beans = array();
		foreach($tags as $tag) {
			$beans = $this->tagged($beanType,$tag);
			if (isset($oldBeans)) $beans = array_intersect_assoc($beans,$oldBeans);
			$oldBeans = $beans;
		}
		return $beans;
	}