public function getFacetsForFields($fields, $number=10) {
		if (!is_array($fields)) {
			$fields = array($fields);
		}

		return $this->query('*', 0, 1, array('facet' => 'true', 'facet.field' => $fields, 'facet.limit' => 10, 'facet.mincount' => 1));
	}