Animation Easing/Tweening/Curves (whatever you want to call them)

Hey,

I've been animating some native UI components on iPad (with Titanium 1.5.1) and have noticed that the 4 curve values available in the Titanium.UI module, well, aren't that great.

The ones available are: >ANIMATION_CURVE_EASE_IN, ANIMATION_CURVE_EASE_IN_OUT, ANIMATION_CURVE_EASE_OUT, ANIMATION_CURVE_LINEAR

I was wondering does anyone know if there is there a way to use Robert Penners easing equations (the same way they are ported in jQuery and Actionscript) when animating UI components in Titanium.

Thanks in advance, Pat