A method for animating blurs in TweenLite.

JS:blurTo

function blurTo(el, speed, blurAmount, startAmount, endAmount, callback) {
	var 
		speed = speed || 1,
		startAmount = startAmount || 10,
		endAmount = endAmount || 0,
		blur = { a:startAmount };

	TweenLite.to(blur, speed, {a: endAmount, onUpdate: applyBlur, onUpdateParams:[el, blur], onComplete: callback}); 
	function applyBlur(el, blurAmount) {
		TweenLite.set(el, { 
			webkitFilter:"blur(" + blurAmount.a + "px)",
			filter:"blur(" + blurAmount.a + "px)" 
		});
	}
}