function Regular () {
	
}

Class(Regular);

Regular.easeIn = function (t, b, c, d) {
	return c*(t/=d)*t + b;
}

Regular.easeOut = function (t, b, c, d) {
	return -c *(t/=d)*(t-2) + b;
}

Regular.easeInOut = function (t, b, c, d) {
	if ((t/=d/2) < 1) return c/2*t*t + b;
	return -c/2 * ((--t)*(t-2) - 1) + b;
}