Previous slide 2 / puji as mamam

var main = function(){
    $('.dropdown-toggle').click(function() {
        $('.dropdown-menu').toggle();
    });

    $('.arrow-next').click(function() {
        var currentSlide = $('.active-slide');
        var nextSlide = currentSlide.next();

        var currentDot = $('.active-dot');
        var nextDot = currentDot.next();

         if(nextSlide.length == 0) {
             nextSlide = $('.slide').first();
             nextDot = $('.dot').first();
         }

        currentSlide.fadeOut(600).removeClass('active-slide');
        nextSlide.fadeIn(600).addClass('active-slide');

        currentDot.removeClass('active-dot');
        nextDot.addClass('active-dot');
    });

    $('.arrow-prev').click(function() {
        var currentSlide = $('.active-slide');
        var prevSlide = currentSlide.prev();

        if(prevSlide.length == 0) {
           prevSlide = $('.slide').last();
        }

        currentSlide.fadeOut(600).removeClass('active-slide');
        prevSlide.fadeIn(600).addClass('active-slide');
    });
}

$(document).ready(main);