public function deleteAdmin($login)
	{
		$login = urlencode($login);
		if (strlen($login) < 1) {
			throw new InvalidArgumentException("Login can't be empty");
		}

		try {
			$client = new CouchClient($this->client->dsn(), $this->usersdb);
			$doc = $client->getDoc("org.couchdb.user:" . $login);
			$client->deleteDoc($doc);
		} catch (Exception $e) {
			
		}

		$url = '/_node/' . urlencode($this->node) . '/_config/admins/' . urlencode($login);
		$raw = $this->client->query(
				"DELETE", $url
		);
		$resp = Couch::parseRawResponse($raw);
		if ($resp['status_code'] != 200) {
			throw new CouchException($raw);
		}
		return $resp["body"];
	}