$(function () {
    var swidth = $("#focus .swiper-slide").width();
    var len = $("#focus .swiper-slide").length;
    var index = 0;
    $("#section5 .prev").click(function () {
        index -= 1;
        if (index == -1) { index = len - 1; }
        showpics(index);
    });
    $("#section5 .next").click(function () {
        index += 1;
        if (index == len) { index = 0; }
        showpics(index);
    });
    function showpics(index) {
        var nowleft = -index * swidth;
        $("#focus").stop(true, false).animate({ "left": nowleft }, 300);
    }

    var se3width = $("#swcase .swiper-slide").width();
    var se3len = $("#swcase .swiper-slide").length;
    var intdex = 0;
    $("#section3 .prev").click(function () {
        intdex -= 1;
        if (intdex == -1) { intdex = se3len - 1; }
        showpicse(intdex);
    });
    $("#section3 .next").click(function () {
        intdex += 1;
        if (intdex == se3len) { intdex = 0; }
        showpicse(intdex);
    });
    function showpicse(intdex) {
        var nowwleft = -intdex * se3width;
        $("#swcase").stop(true, false).animate({ "left": nowwleft }, 300);
    }
});