如何像标记一样创建谷歌纵横？

In my HTML5 app, I use Google Map v3 and add several markers on a map. It's easy to place new markers and to change icons but I'd like to be able to build markers like the one used in Google Latitude. Those markers are set up with an icon image and a nice border.In my HTML5 app, I use Google Map v3 and add se