How the path map is implemented in Yandex. Metrica?

Question

Programming

You need to do a gentle similar, as in Yandex.Metrica on the path map. The functionality there will be completely different, but you need to have the same ability to scale the window and draw arrows, in short, work with vector graphics. Tell me what languages ​​are implemented in flash, javascript, svg?

Answer 1

javascript + canvas
See page sources, use Firebug or Developer Tools in Chrome to examine the elements of the graph.
They use the Raphael library for rendering .