function Bounce () {
	
}

Class(Bounce);

Bounce.easeOut = function (t, b, c, d) {
	if ((t/=d) < (1/2.75)) {
		return c*(7.5625*t*t) + b;
	} else if (t < (2/2.75)) {
		return c*(7.5625*(t-=(1.5/2.75))*t + .75) + b;
	} else if (t < (2.5/2.75)) {
		return c*(7.5625*(t-=(2.25/2.75))*t + .9375) + b;
	} else {
		return c*(7.5625*(t-=(2.625/2.75))*t + .984375) + b;
	}
}

Bounce.easeIn = function (t, b, c, d) {
	return c - Bounce.easeOut (d-t, 0, c, d) + b;
}

Bounce.easeInOut = function (t, b, c, d) {
	if (t < d/2) return Bounce.easeIn (t*2, 0, c, d) * .5 + b;
	else return Bounce.easeOut (t*2-d, 0, c, d) * .5 + c*.5 + b;
}