var iftrue = 0
hrefValue = window.location.href.toLowerCase(); //获取当前页面的地址
alertUrls = ['gsslzyy.com'];

//指定你想要alert的域名，多个可以在数组中直接追加即可
//追加如：['www.bbb.com', 'bbb.com', 'abc.bbb.com']
for(key in alertUrls){
if(String(hrefValue).indexOf(alertUrls[key]) >= 0){
iftrue = 1
break; //直接跳出循环
}
}

if (iftrue === 0) {
console.log("请勿以非法方式使用本公司广告代码！");
} else {



<!--    对联 开始-->
        document.write("<div id='rightDivQY79eZYlnEzmA12N' class='rightDivQY79eZYlnEzmA12N' style='width: 165px; height: 190px; overflow-x: hidden; overflow-y: hidden; position: absolute; left:0px; z-index: 10000; top: 200px;'>");
        document.write("<a target='_blank' href='http://www.gsslzyy.com/HdApp/Hd720/html5/Project12.html'>");
        document.write("<img src='https://ad.lzhongdian.net/../../HdAtt/img/2017/09/20170929084843731.png' alt='' style='width: 165px; height: 165px'>");
        document.write("</a>");
        document.write("</div>");

       $("#CloseQY79eZYlnEzmA12N").click(function(){
           $("#rightDivQY79eZYlnEzmA12N").fadeOut(500);
       });
       $(function(){
           $(window).scroll(function(){goTopQY79eZYlnEzmA12N();});
           $(window).resize(function(){goTopQY79eZYlnEzmA12N();});
       });
       function goTopQY79eZYlnEzmA12N(){
           $(".rightDivQY79eZYlnEzmA12N").stop().animate({"top":$(window).height()+$(window).scrollTop()-($(window).height()+$(".rightDivQY79eZYlnEzmA12N").height())/2},500);
       }
<!--    对联 结束-->



}

document.write("<link rel='stylesheet' href='https://ad.lzhongdian.net//static/www/css/hdcss.css'>");