// execute your scripts when DOM is ready. this is a good habit
$(function() {		
		
	// initialize scrollable 
	$("div.scrollable").scrollable({
		vertical:true, 
		size: 1,
		easing: 'custom',
		speed:800
	// use mousewheel plugin
	}).mousewheel(1000);	
	
});

// custom easing called "custom" 
$.easing.custom = 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; 
}