jQuery.extend({
easing: {
easein: function(x, t, b, c, d) {
return c*(t/=d)*t + b; // in
},
easeinout: function(x, t, b, c, d) {
if (t < d/2) return 2*c*t*t/(d*d) + b;
	var ts = t - d/2;
	return -2*c*ts*ts/(d*d) + 2*c*ts/d + c/2 + b;		
	},
	easeout: function(x, t, b, c, d) {
	return -c*t*t/(d*d) + 2*c*t/d + b;
	},
	expoin: function(x, t, b, c, d) {
	var flip = 1;
	if (c < 0) {
		flip *= -1;
		c *= -1;
		}
		return flip * (Math.exp(Math.log(c)/d * t)) + b;		
		},
		expoout: function(x, t, b, c, d) {
		var flip = 1;
		if (c < 0) {
			flip *= -1;
			c *= -1;
			}
			return flip * (-Math.exp(-Math.log(c)/d * (t-d)) + c + 1) + b;
			},
			expoinout: function(x, t, b, c, d) {
			var flip = 1;
			if (c < 0) {
				flip *= -1;
				c *= -1;
				}
				if (t < d/2) return flip * (Math.exp(Math.log(c/2)/(d/2) * t)) + b;
					return flip * (-Math.exp(-2*Math.log(c/2)/d * (t-d)) + c + 1) + b;
					},
					bouncein: function(x, t, b, c, d) {
					return c - jQuery.easing['bounceout'](x, d-t, 0, c, d) + b;
					},
					bounceout: 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;
										}
										},
										bounceinout: function(x, t, b, c, d) {
										if (t < d/2) return jQuery.easing['bouncein'] (x, t*2, 0, c, d) * .5 + b;
										return jQuery.easing['bounceout'] (x, t*2-d,0, c, d) * .5 + c*.5 + b;
										},
										elasin: 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;
										},
										elasout: 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;
										},
										elasinout: 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;
										},
										backin: function(x, t, b, c, d) {
										var s=1.70158;
										return c*(t/=d)*t*((s+1)*t - s) + b;
										},
										backout: function(x, t, b, c, d) {
										var s=1.70158;
										return c*((t=t/d-1)*t*((s+1)*t + s) + 1) + b;
										},
										backinout: function(x, t, b, c, d) {
										var s=1.70158;
										if ((t/=d/2) < 1) return c/2*(t*t*(((s*=(1.525))+1)*t - s)) + b;
										return c/2*((t-=2)*t*(((s*=(1.525))+1)*t + s) + 2) + b;
										},
										linear: function(x, t, b, c, d) {
										return c*t/d + b; //linear
										}
										}
});