(function($) {
    "use strict";

    /* banner */
    var banner_cont = $(".hm-banner .banner-carousel"),
        banner_pic = $(".hm-banner .carousel-pic"),
        _head = 'header',
        speed = 2;

    function bannerscroll() {
        var headh = $(_head).length ? $(_head).height() : 0;
        var h = banner_cont.height() + headh;
        banner_cont.css({
            "position": "relative",
            "top": $(window).scrolltop() > h ? "" : $(window).scrolltop() / speed
        });
    }

    function bannerbox() {
        var bannerh = ($(window).height() - $(_head).height());

        imgfullscreen(banner_pic, $(window).width(), bannerh);
    }

    //bannerscroll();
    bannerbox();
    $(window).resize(function () {
        bannerbox();
    });
    $(window).scroll(function () {
        //bannerscroll();
    });

    var hmbanner = $('.hm-banner'),
        hmcarousel = hmbanner.find('.carousel');

    hmcarousel.slick({
        autoplay: true,
        autoplayspeed: 5000,
        speed: 1000,
        arrows: false,
        dots: true,
        appenddots: hmbanner,
        pauseonfocus: false,
        pauseonhover: false,
        fade: true,
        custompaging: function() {
            return $('');
        }
    }).on({
        'beforechange': function (event, slick, currentslide, nextslide) {
            var _item = $(this).find(".carousel-item");
            _item.eq(nextslide).addclass("current").siblings().removeclass("current");
        }
    });

    settimeout(function () {
        hmcarousel.find(".carousel-item").eq(0).addclass("current");
    }, 1);

    var scrolldown = $(".scroll-down");

    scrolldown.click(function () {
        $('html,body').animate({
            scrolltop: $(window).height()-$('.header').height()
        });
    });

    /* news */
    var hm_news = $('.hm-news'),
        th_item = hm_news.find('.th-item'),
        tc_item = hm_news.find('.tc-item');

    th_item.each(function () {
        var _this = $(this);

        _this.click(function () {
            var _index = _this.index();
            _this.addclass('active').siblings().removeclass('active');

            tc_item.eq(_index).addclass('active').siblings().removeclass('active');
        });
    });

}(jquery));