var win = $(window),
    nav_on = null;
$(function () {
    // 导航栏控制
    (function () {
        var nav = $('#nav'),
            shop = $('#shop'),
            // search_box = shop.find('#searchbox'),
            // search_btn = shop.find('.btn-search')[0],
            lis = nav.children(),
            lis_1 = lis.filter(':not(.more)'),
            lis_2 = lis.filter('.more'),
            links = lis.children(),
            links_1 = lis_1.children(),
            links_2 = lis_2.children(),
            subnav = $('#subnav'),
            subitem = $('#subnav').find('.item'),
            prev_item = $(),
            spans = links.children(),
            offs = spans.filter('.off'),
            ons = spans.filter('.on'),
            sbs = spans.filter('.slideblock'),

            hei = links.eq(0).height(),
            len = lis.length,

            // 记录当前
            link_page = null,
            link_curr = null,

            timeout = -1;

        // 初始化当前链接
        href = location.href.replace(/[_\d]{1,2}\./, '.');      // 静态页面用
        // href = location.href,                                   // 程序用
        for (var i = 0; i < len; i++) {
            link_page = links.eq(i);
            if (href.indexof(link_page.attr('href').replace(/(?:_\d)?\..*/, '')) > 0) {    // 静态页面用
                // if (href.indexof(link_page.attr('href').replace(/(?:_\d)?\..*/, '')) > 0) {    // 程序用
                control(nav_on = link_curr = link_page = link_page[0], false);
                delete i;
                break;
            }
        }
        links_2.each(function (idx) {
            if (this === nav_on) return;
            this.setattribute('idx', idx);
        });
        if (i === len) {
            if (href.indexof('/user') >= 0) {
                control(nav_on = link_curr = link_page = links.eq(5)[0], false);
            } else {
                control(nav_on = link_curr = link_page = links.eq(0)[0], false);
            }
        }


        win.on('load', function () {
            // 鼠标指向, 链接高亮
            links_1.hover(function () { control(this, false) }, none);
            links_2.hover(function () { control(this, true) }, none);
            // 鼠标离开导航栏, 恢复当前页面高亮
            nav.hover(none, function () {
                timeout = settimeout(function () {
                    control(link_page, true);
                }, 10);
            });
            subnav.hover(function () {
                cleartimeout(timeout);
            }, function () {
                control(link_page, true);
            });
        });

        function control(elem, flag, idx) {
            link_curr.classname = "";
            elem.classname = "on";
            link_curr = elem;
            prev_item.removeclass('on');
            if (flag) {
                idx = parseint(elem.getattribute('idx'));
                prev_item = subitem.eq(idx).addclass('on');
                // search_box.hide();
                // search_btn.classname = "btn-search";
            }
        }
        function none() { }


        // 2015.06.09 修改搜索, 添加语言
        var subitem_search = subitem.filter('.search'),
            subitem_langs  = subitem.filter('.langs');
        shop.find('.btn-search').hover(function(){
            prev_item.removeclass('on');
            prev_item = subitem_search.addclass('on');
        }, none);
        shop.find('.btn-lang').hover(function() {
            prev_item.removeclass('on');
            prev_item = subitem_langs.addclass('on');
        }, none);
        shop.hover(none, function() {
            timeout = settimeout(function() {
                prev_item.removeclass('on');
            }, 300);
        });
    }());

    // 搜索按钮
    (function () {
        var sup = $('#header'),
            btn = sup.find('.btn-search'),
            box = sup.find('#searchbox'),
            timeout = -1,
            delay = 1000;

        btn.hover(open, autofade);
        box.on('focus', function () {
            cleartimeout(timeout);
        }).on('blur', function () {
            autofade();
        });

        function open() {
            cleartimeout(timeout);
            btn.addclass('on');
            box.stop(false, true).fadein(300);
        }

        function close() {
            btn.removeclass('on');
            box.stop(false, true).fadeout(300);
        }

        function autofade() {
            timeout = settimeout(function () {
                close();
            }, delay);
        }
    }());

    // placeholder 处理
    (function () {
        // 情况1，如果浏览器支持 placeholder，则优先使用默认。
        var input = document.createelement("input");
        input.type = "text";
        if ("placeholder" in input) return;

        // 情况2，如果没有任何标签使用 placeholder，则不做任何处理。
        var inputs = $("*[placeholder]"),
            val    = "";
        if (!inputs.length) return;

        // 情况3，对于不支持 placeholder 属性的元素进行预加载和事件挂载。
        inputs
            .each(function () {
                input = $(this);
                input.val(input.attr("placeholder"));
            })
            .on("focus", focus)
            .on("blur", blur)
            .on("change", change);

        // 处理函数
        function focus() {
            input = $(this);
            val = input.val();
            if (val && (val!==input.attr('placeholder'))) return;
            else input.val("");
        }
        function blur() {
            // input.val(input.attr("placeholder"));
            val = input.val();
            if (val && (val!==input.attr('placeholder'))) {
                return;
            } else {
                input.val(input.attr("placeholder"));
            }
        }
        function change() {
            if (input.val()) {
                input.off("focus").off("blur");
            } else {
                input.on("focus", focus).on("blur", blur);
            }
        }
    })();

   

// 调整高度
(function() {
    var copyright = $('#copyright'),
        hei  = $('html').height()-$('body').height();
    if (hei<=0) return;
    copyright.find('.g-wrap div').height(37+hei);
}());
});