They run an ajax request every 3 seconds, and drop pins sequentially every 1.5 seconds. It's a queue on top of Google Maps - there are tons of these.
The most-useful parts might be the constants in the PHP portions, but I have a feeling they're unnecessary, given that they seem to be in the MaxMind database they're using.
They run an ajax request every 3 seconds, and drop pins sequentially every 1.5 seconds. It's a queue on top of Google Maps - there are tons of these.
The most-useful parts might be the constants in the PHP portions, but I have a feeling they're unnecessary, given that they seem to be in the MaxMind database they're using.