You must define container ID, latitude and longitude of the map's center.
You also can define zoom, width and height. By default, zoom is 15. Width an height in a CSS class will replace these values.
Map types are defined in the mapType property. Allowed values are: roadmap (default), satellite, hybrid and terrain.
A basic example of using a single info window for 3 markers.
Example of creating google map - street view
Point-of-view updates when you pan around