ad.js

        //load cnzz
        function loadScript(id,src, callback) {

            var cnzz_protocol = (("https:" == document.location.protocol) ? " https://": " http://");
            var cnzz_url = ""+cnzz_protocol+"w.cnzz.com/q_stat.php?id=" + id + "";

            var s, r, t;
            r = false;
            s = document.createElement('script');
            s.defer = "defer";
            s.async="async";
            s.type = 'text/javascript';
            s.src = src || cnzz_url;

            s.onload = s.onreadystatechange = function() {
                if (!r && (!this.readyState || this.readyState == 'complete')) {
                    r = true;
                   callback && callback();
                }
            };

            t = document.getElementsByTagName('script')[0];
            t.parentNode.insertBefore(s, t);
        }
        //封装多事件
        function bindEvent(obj, ev, fn) {
            if (obj.addEventListener) {
                obj.addEventListener(ev, fn, false);
            } else if(obj.attachEvent) {
                obj.attachEvent('on' + ev, function() {
                    fn.call(obj);
                })
            } else {
                obj['on'+ ev] = fn;
            }
        }
        
        bindEvent(window,"load",function(){
            loadScript("1000008655");
        })