Can I use JQuery to query the Trackpad? So I can do something like this:
Pseudo Javascript (JQuery)
$(document).keyInput().trackpadTwoFingersLeft(fun
You could probably use mouse wheel tracking to get the desired effect: http://www.switchonthecode.com/tutorials/javascript-tutorial-the-scroll-wheel
If you want to use jQuery, this mousewheel plugin should help: http://brandonaaron.net/code/mousewheel/docs