Guang.UserGeolocation 1.0 detect site visitor's geo location

Detect site visitor's geo location by html5 geolocation or ipinfodb.com. u r welcomed to extend this project,such as: 1-save the location data to db with userpart. 2-search the nearby locations around this lat,long by the spatial.net(Lucene.net) which I will complete sooner. 3-detect the city of the visitor by this geo location 4- combine with ip detect