var web = 'www.jdxyy.cn';
        var url = window.location.href;
        var fromurl = document.referrer;
        var httpRequest = new XMLHttpRequest();
        if(!web){
            web = window.location.hostname;
        }
        httpRequest.open('POST', '//tongji.a7.chuanhai.net/tongji/index', true);
        httpRequest.setRequestHeader('Content-type','application/x-www-form-urlencoded');
        httpRequest.send('web='+web+'&url='+url+'&from='+fromurl);
        function getQueryVariable(variable)
        {
               var query = window.location.search.substring(1);
               var vars = query.split('&');
               for (var i=0;i<vars.length;i++) {
                       var pair = vars[i].split('=');
                       if(pair[0] == variable){return pair[1];}
               }
               return(false);
        }