Maplace.js helps you to embed Google Maps into your website, quickly create markers and controls menu for the locations on map. It requires jQuery and Google Maps API v3 so you need to have both in your page.
Straightforward implementation with simple options
Can run as many maps as required
Markers and custom icons, zoom level and custom controls menu
Supports for Directions, Polygons, Polylines, Fusion tables and styled maps
Works in all major browsers, including IE6 (this website not so much)