// Basado en las ecuaciones de Robert Penners (http://www.robertpenner.com/easing/).

// t: current time
// b: begInnIng value
// c: change In value
// d: duration

jQuery.easing['easeInBounce'] = function (x, t, b, c, d) {
	return c - jQuery.easing.easeOutBounce (x, d-t, 0, c, d) + b;
};

jQuery.easing['easeOutBounce'] = function (x, 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;
	}
};

jQuery.easing['easeInElastic'] = function (x, t, b, c, d) {
	var s=1.70158;var p=0;var a=c;
	if (t==0) return b;  if ((t/=d)==1) return b+c;  if (!p) p=d*.3;
	if (a < Math.abs(c)) { a=c; var s=p/4; }
	else var s = p/(2*Math.PI) * Math.asin (c/a);
	return -(a*Math.pow(2,10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )) + b;
};

jQuery.easing['easeOutElastic'] = function (x, t, b, c, d) {
	var s=1.70158;var p=0;var a=c;
	if (t==0) return b;  if ((t/=d)==1) return b+c;  if (!p) p=d*.3;
	if (a < Math.abs(c)) { a=c; var s=p/4; }
	else var s = p/(2*Math.PI) * Math.asin (c/a);
	return a*Math.pow(2,-10*t) * Math.sin( (t*d-s)*(2*Math.PI)/p ) + c + b;
};

jQuery.easing['easeInOutElastic'] = function (x, t, b, c, d) {
	var s=1.70158;var p=0;var a=c;
	if (t==0) return b;  if ((t/=d/2)==2) return b+c;  if (!p) p=d*(.3*1.5);
	if (a < Math.abs(c)) { a=c; var s=p/4; }
	else var s = p/(2*Math.PI) * Math.asin (c/a);
	if (t < 1) return -.5*(a*Math.pow(2,10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )) + b;
	return a*Math.pow(2,-10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )*.5 + c + b;
};

jQuery.easing['easeInBack'] = function (x, t, b, c, d, s) {
	if (s == undefined) s = 1.70158;
	return c*(t/=d)*t*((s+1)*t - s) + b;
};

jQuery.easing['easeOutBack'] = function (x, t, b, c, d, s) {
	if (s == undefined) s = 1.70158;
	return c*((t=t/d-1)*t*((s+1)*t + s) + 1) + b;
};

jQuery.easing['easeInCirc'] = function (x, t, b, c, d) {
	return -c * (Math.sqrt(1 - (t/=d)*t) - 1) + b;
};

jQuery.easing['easeOutCirc'] = function (x, t, b, c, d) {
	return c * Math.sqrt(1 - (t=t/d-1)*t) + b;
};

jQuery.easing['easeInOutCirc'] = function (x, t, b, c, d) {
	if ((t/=d/2) < 1) return -c/2 * (Math.sqrt(1 - t*t) - 1) + b;
	return c/2 * (Math.sqrt(1 - (t-=2)*t) + 1) + b;
};

jQuery.easing['easeInQuad'] = function (x, t, b, c, d) {
	return c*(t/=d)*t + b;
};

jQuery.easing['easeOutQuad'] = function (x, t, b, c, d) {
	return -c *(t/=d)*(t-2) + b;
};

jQuery.easing['easeInOutQuad'] = function (x, t, b, c, d) {
	if ((t/=d/2) < 1) return c/2*t*t + b;
	return -c/2 * ((--t)*(t-2) - 1) + b;
};

jQuery.easing['easeInSine'] = function (x, t, b, c, d) {
	return -c * Math.cos(t/d * (Math.PI/2)) + c + b;
};

jQuery.easing['easeOutSine'] = function (x, t, b, c, d) {
	return c * Math.sin(t/d * (Math.PI/2)) + b;
};

jQuery.easing['easeInOutSine'] = function (x, t, b, c, d) {
	return -c/2 * (Math.cos(Math.PI*t/d) - 1) + b;
};

jQuery.easing['easeInExpo'] = function (x, t, b, c, d) {
	return (t==0) ? b : c * Math.pow(2, 10 * (t/d - 1)) + b;
};

jQuery.easing['easeOutExpo'] = function (x, t, b, c, d) {
	return (t==d) ? b+c : c * (-Math.pow(2, -10 * t/d) + 1) + b;
};

jQuery.easing['easeInOutExpo'] = function (x, t, b, c, d) {
	if (t==0) return b;
	if (t==d) return b+c;
	if ((t/=d/2) < 1) return c/2 * Math.pow(2, 10 * (t - 1)) + b;
	return c/2 * (-Math.pow(2, -10 * --t) + 2) + b;
};


//  --------------------------------------------
//	modo de uso
//  --------------------------------------------
//	jQuery(document).ready(function() {
//		jQuery('#mycarousel').jcarousel({
//			easing: 'easeOutBounce',
//			animation: 1000
//			});
//	});
//  --------------------------------------------