Google Map API Documentation

<!---------------------------------------Google Map API Documentation------------------------------->
1.Go to this link https://code.google.com/apis/console/
2. Than create project
3.Go to Google Maps javaScript API V3
4. Than accept their product and on there services>API Access>>Give some information >> create id >> simple access blew create browser new key
5.One think you must put a server name like your domain or your localhost

Google Maps has several types of overlays:

Marker - Single locations on a map. Markers can also display custom icon images
Polyline - Series of straight lines on a map
Polygon - Series of straight lines on a map, and the shape is "closed"
Circle and Rectangle
Info Windows - Displays content within a popup balloon on top of a map
Custom overlays