$(document).ready(function(){
    firstSlider();
    function firstSlider() {
        var set_time = 8000;

        function line_animation() {
            $('.slide-ul li.active_n .time-bloks-line').animate({width:'100%'}, set_time, function() {
                $(this).css({width:0});
            });
        }

        line_animation();

        function for_interval() {
            var slide_active =  $('.slide-ul').find('li.active_n');
            slide_active.removeClass('active_n');
            slide_active.next().addClass('active_n');
            var lengs = $('.slide-ul li').index($('li.active_n'));

            if (lengs == -1){
                $('.slide-ul li:first-child').addClass('active_n')
            }
            var img_bg = $('.slide-ul li.active_n').find('img');
            img_bg = img_bg.attr('src').split('/');
            img_bg = img_bg[img_bg.length - 1];
            if (device.mobile() || device.tablet()){

                $('.slider-bg').attr('style', 'background-image: url("images/slider/big-' + img_bg + '")');
            } else  {
                $('.slider-bg').attr('style', 'background-image: url("images/slider/big-' + img_bg + '")');
            }


            line_animation();

        }
        var stop_interval = setInterval(function(){
            for_interval()
        },set_time);

        $('.slide-ul li').click(function(){
            $('.slide-ul li.active_n .time-bloks-line').stop().css({width:0});
            $('.slide-ul li').removeClass('active_n');
            $(this).addClass('active_n');
            var img_bg = $('.slide-ul li.active_n').find('img');
            img_bg = img_bg.attr('src').split('/');
            img_bg = img_bg[img_bg.length - 1];
            if (device.mobile() || device.tablet()){

                $('.slider-bg').attr('style', 'background-image: url("images/slider/big-' + img_bg + '")');
            } else  {
                $('.slider-bg').attr('style', 'background-image: url("images/slider/big-' + img_bg + '")');
            }
            clearInterval(stop_interval);
            stop_interval = setInterval(function(){
                for_interval()
            },set_time);

            line_animation();
        });
    }
});