1. using gesturestart, gesturechange, gestureend event, which are not supported by some browsers

http://techblog.floorplanner.com/post/20528546052/interactive-svg-on-the-ipad


2. using touchstart, touchmove, touchend events, which are basic and supported by most browsers

https://groups.google.com/forum/#!topic/phonegap/QpXAzVo_Fi8