I first ported this from ActionScript to JavaScript for use in an Appcelerator Titanium iPhone Application but used their custom touch api. I'm in the process of refactoring it to work in the browser and on the mobile web.
Nothing. Use it.
Examples need made
MouseGesture was written by Didier Brun aka Foxy in 2007
http://www.bytearray.org/?p=91
The Point Class I implemented was made by moagrius