Google maps API

https://developers.google.com/kml/documentation/kml_tut
https://developers.google.com/maps/documentation/javascript/examples/layer-kml?hl=zh-cn
https://developers.google.com/maps/tutorials/kml/
https://developers.google.com/maps/support/kmlmaps
https://developers.google.com/kml/documentation/
https://www.youtube.com/watch?v=_AZSZvOc0fg
http://display-kml.appspot.com/
http://www.opengeospatial.org/standards/kml
http://www.instructables.com/id/Creating-KML-Files-For-Your-Custom-Google-Maps/

http://stackoverflow.com/questions/10736664/load-kml-file-into-google-maps-api

http://wenku.baidu.com/link?url=r42agq4KFMc3kPfNrdT4mH0NLxquwtztujARlKhphNR35nKLGorOx2dYqliLQeGKefFr_X_cGi3kKiu2asrVmTBBsdqbvPvI0JeWi5fct2a

http://www.cnblogs.com/fhmsha/archive/2008/12/28/how_google_map_api_and_google_earth_work_with_kml.html

http://www.oschina.net/question/140833_122274