function checkinternetexplorer() {
    var bversion = navigator.appversion;
    var version = bversion.split(";");
    if (version.length > 1) {
        var trimversion = parseint(version[1].replace(/[ ]/g, "").replace(/msie/g, ""));
        var $body = document.getelementsbytagname("body")[0];
        var msg = "<div style=\"text-align:center;background-color:#ff6a00;color:#fff;line-height:40px;;font-size:14px;\">您好，你当前使用的ie浏览器版本过低，为了获取更好的浏览体验，建议你使用谷歌(chrome)\火狐(firefox)等标准浏览器，或升级ie10+以上版本！</div>";
        if (trimversion <= 9) {
            msg += $body.innerhtml;
            $body.innerhtml = msg;
        }
    }
}




//自动适应尺寸，如果容器列表项内有图片需要自动适应宽度和高度，所有容器中的图片文件尺寸默认用同级第一个容器尺寸。
;(function ($, window, undefined) {
    $.fn.imagesamesize = function (index) {
        var $objs = this;
        if (index == undefined) {
            index = 0;
        }
        var $templateimage = $objs.eq(index);
        var setsize = function () {
            var height = $templateimage.css("height").replace(/\s+|px/gi, "");
            var width = $templateimage.css("width").replace(/\s+|px/gi, "");
            $objs.each(function (idx) {
                $(this).css({ "width": width + "px", "height": height + "px" });
            });
        };
        setsize();
        var bindresize = $templateimage.attr("data-bindresize");
        if (bindresize == undefined) {
            $(window).resize(function () {
                $templateimage.css({ "width": "auto","height": "auto" });
                setsize();
            });
            $templateimage.attr("data-bindresize", 1);
        }
    };
})(jquery, window);

//注册响应式菜单
; (function ($, window, undefined) {
    $.fn.initnav = function (currentcolumnid,topcolumnid) {

        var $navliitem = this;
        if (currentcolumnid == undefined) {
            currentcolumnid = "0";
        }
        if (topcolumnid == undefined) {
            topcolumnid = "0";
        }
        //添加子级菜单指示箭头
        $navliitem.each(function () {
            var $this = $(this);
            if ($this.children("ul").length > 0) {
                $this.children("ul").children("li").addclass("animated navslide");
                $this.append('<span class="arrow"></span>');
            }
            var attrdataid = $this.attr("data-id");
            if (attrdataid == topcolumnid.tostring()) {
                $this.addclass("current active");
            }
            else if (attrdataid == currentcolumnid)
            {
                $this.addclass("current active");
                var $thisparentli = $this.parentsuntil("div");
                $thisparentli.addclass("current active");//给所有的父级li添加current active样式
            }
        });
        //指示箭头注册点击事件
        $navliitem.find(".arrow").on("click", function () {
            var $this = $(this);
            $this.parent("li").toggleclass("active")
        });
    };
})(jquery, window);






//tab切换
$(function () {
    var $tab_title = $(".tab-title");
    var $tab_content = $(".tab-content");
    $tab_title.each(function (i) {
        var $this = $(this);
        $this.find("li").each(function (w) {
            var $thisli = $(this);
            $thisli.mouseenter(function () {
                $thisli.addclass("select").siblings().removeclass("select");
                $tab_content.eq(i).find(".tabct").eq(w).show().siblings().hide();
            })
        })

    })
})


//保证所有响应式图片列表同一尺寸，避免上传图片尺寸不一致排版混乱
$(function () {
    var $imagesamesize = $(".imgae-same-size");
    $imagesamesize.each(function () {
        var $this = $(this);
        var $images = $this.find("img");
        if ($images.length == 0) {
            return true;
        }
        var $firstimg = $images.eq(0);
        //$(window).on("onload",function(){}) //弃用，效率太低,要等所有页面图片加载完毕才执行
        //$images.eq(0).attr("onload", function (){$images.imagesamesize()}); //弃用火狐浏览器下获取不到响应式图片的实际高度
        var img = new image();
        img.src = $firstimg.attr("src");
        img.onload = function () {
            $images.imagesamesize();
        };
    });
});


//js无缝滚动代码
function marquee(i, direction) {
    var obj = document.getelementbyid("marquee" + i);
    var obj1 = document.getelementbyid("marquee" + i + "_1");
    var obj2 = document.getelementbyid("marquee" + i + "_2");
    if (direction == "up") {
        if (obj2.offsettop - obj.scrolltop <= 0) {
            obj.scrolltop -= (obj1.offsetheight + 20);
        } else {
            var tmp = obj.scrolltop;
            obj.scrolltop++;
            if (obj.scrolltop == tmp) {
                obj.scrolltop = 1;
            }
        }
    } else {
        if (obj2.offsetwidth - obj.scrollleft <= 0) {
            obj.scrollleft -= obj1.offsetwidth;
        } else {
            obj.scrollleft++;
        }
    }
}

function marqueestart(i, direction) {
    var obj = document.getelementbyid("marquee" + i);
    var obj1 = document.getelementbyid("marquee" + i + "_1");
    var obj2 = document.getelementbyid("marquee" + i + "_2");

    obj2.innerhtml = obj1.innerhtml;
    var marqueevar = window.setinterval("marquee(" + i + ", '" + direction + "')", 20);
    obj.onmouseover = function () {
        window.clearinterval(marqueevar);
    }
    obj.onmouseout = function () {
        marqueevar = window.setinterval("marquee(" + i + ", '" + direction + "')", 20);
    }
}