function getWeather($key = "Napier", $l = "/q/zmw:00000.1.93373") {
	$cache = SS_Cache::factory("WeatherInfo");
	if (!($result = $cache->load($key))) {
		$result = file_get_contents("http://api.wunderground.com/api/4b7e97b6412b0274/forecast/" . $l . ".json");
		$cache->save($result, $key); //this is where docs are confusing, they say $cache->save($result) but how does SS_Cache know what key to save under????
	}
	return $result;
}