Smooth/Easing Mouse Wheel. Source:
/* SMOOTH WHEEL
------------------------------------------------------------------------------*/
$("html").easeScroll({
frameRate: 60,
animationTime: 1000,
stepSize: 20,
pulseAlgorithm: 1,
pulseScale: 8,
pulseNormalize: 1,
accelerationDelta: 20,
accelerationMax: 3, // Default: 1, change mousewheel speed
keyboardSupport: true,
arrowScroll: 50,
touchpadSupport: true,
fixedBackground: true
});