// JScript 文件
$(document).ready(function() {

    //服务Link
    $(".serbj img").hover(
    function() {
        var strSrc, strSrcT, strSrcN;
        strSrc = $(this).attr("src");
        strSrcT = strSrc.split(".png");
        strSrcN = strSrcT[0] + "_.png";
        $(this).attr("src", strSrcN);
    },
        function() {
            var strSrc, strSrcT, strSrcN;
            strSrc = $(this).attr("src");
            strSrcT = strSrc.split("_.png");
            strSrcN = strSrcT[0] + ".png";
            $(this).attr("src", strSrcN);
        }
    );

    //随机数
    function GetRandem(n) {
        return Math.floor(Math.random() * n + 1);
    };

    //设计师块
    var ajaxData;
    var ajaxLength;
    var randNo;
    var n1, n2, n3;

    //根据第一位设计师追加全内容
    function GetSjsHtml(n, m) {

        var img1, img2, img3, th1, th2, th3, tx;

        switch (m) {
            case 0:
                n2 = n;
                n1 = n2 - 1;
                n3 = n2 + 1;
                if (n1 < 0) {
                    n1 = ajaxLength;
                };
                if (n3 > ajaxLength) {
                    n3 = 0;
                };
                break;
            case 1:
                if (n < 0) {
                    n = 0;
                };
                if (n > ajaxLength) {
                    n = ajaxLength;
                };

                switch (n) {
                    case ajaxLength:
                        randNo = -1;
                        n2 = n;
                        n1 = n2 - 1;
                        n3 = 0;
                        break;
                    case 0:
                        n2 = n;
                        n1 = ajaxLength;
                        n3 = n2 + 1;
                        break;
                    default:
                        n2 = n;
                        n1 = n2 - 1;
                        n3 = n2 + 1;
                        break;
                };
                break;
            case 2:
                if (n < 0) {
                    n = 0;
                };
                if (n > ajaxLength) {
                    n = ajaxLength;
                };

                switch (n) {
                    case ajaxLength:
                        n2 = n;
                        n1 = n2 - 1;
                        n3 = 0;
                        break;
                    case 0:
                        randNo = ajaxLength + 1;
                        n2 = n;
                        n1 = ajaxLength;
                        n3 = n2 + 1;
                        break;
                    default:
                        n2 = n;
                        n1 = n2 - 1;
                        n3 = n2 + 1;
                        break;
                };
        };

        img1 = ajaxData.split("⊙")[n1].split("∮")[2];
        img2 = ajaxData.split("⊙")[n2].split("∮")[2];
        img3 = ajaxData.split("⊙")[n3].split("∮")[2];

        th1 = ajaxData.split("⊙")[n2].split("∮")[1];
        th2 = ajaxData.split("⊙")[n2].split("∮")[0];
        th3 = ajaxData.split("⊙")[n2].split("∮")[3];
        tx = ajaxData.split("⊙")[n2].split("∮")[4];

        $('#imgl').attr("src", img1);
        $('#imgm').attr("src", img2);
        $('#imgr').attr("src", img3);
        $('#nav_dm2t h1').html(th1);
        $('#nav_dm2t h2').html(th2);
        $('#nav_dm2t h3').html(th3);
        $('#mdll').html(tx);
    };

    //第一次打开时页面显示
    ajaxData = $('#sjsItem').html();
    ajaxLength = ajaxData.split("⊙").length - 2;
    randNo = GetRandem(ajaxLength);
    GetSjsHtml(randNo, 0);

    //Top向左
    $('#ljt').click(function() {
        randNo++;
        GetSjsHtml(randNo, 1);
    });
    //Top向右
    $('#rjt').click(function() {
        randNo--;
        GetSjsHtml(randNo, 2);
    });

    //图片向左
    $('#imgl').click(function() {
        randNo++;
        GetSjsHtml(randNo, 1);
    });
    //图片向左
    $('#imgr').click(function() {
        randNo--;
        GetSjsHtml(randNo, 2);
    });
});