fade in/out slider

var sliderImages = $('.home-slider').children('img'),
    currentSilde = sliderImages.filter('.current'),
    curIndex = currentSilde.index(),
    total = sliderImages.length,
    speed = 5000,
    interval = setInterval(function() {
    currentSilde.fadeOut(function() {

        curIndex = curIndex == total-1 ? 0 : curIndex+1;
        console.log(curIndex);
        sliderImages.hide().removeClass('current').eq(curIndex).addClass('current').fadeIn(function() {
            currentSilde = $(this);
        });
    });
    }, speed);
    $('.slider-nav').children('a').click(function(e) {
    e.preventDefault();
    clearInterval(interval);
    sliderImages.hide().removeClass('current');
    if ($(this).hasClass('prev')) {
        curIndex = curIndex == 0 ? total-1 : curIndex-1;
    }
    else if ($(this).hasClass('next')) {
        curIndex = curIndex == total-1 ? 0 : curIndex+1;
    }
    sliderImages.eq(curIndex).addClass('current').show();
    });