Google is failing me somewhat on this (I think because the terminology for PolyFill/Shim/Spackle is new and diverse at the moment). I\'m trying to find a good JavaScript Pol
There is a very good CSS3 transition polyfill for jQuery called jQuery.transition.
You can just use the usual animate() method in jQuery, and it will automatically use CSS3 transitions if available, and if not, it will fall back to vanilla jQuery.