//抓取url参数

         function GetRequest() {

             var url = location.search; //获取url中"?"符后的字串

             var theRequest = new Object();

             if (url.indexOf("?") != -1) {

                 var str = url.substr(1);

                 strs = str.split("&");

                 for (var i = 0; i < strs.length; i++) {

                     theRequest[strs[i].split("=")[0]] = unescape(strs[i].split("=")[1]);

                 }

             }

             return theRequest;

         }

 var Request = new Object();

            Request = GetRequest();

            var ip = Request['serverip']; //serverip相当于test.com/index.aspx?serverip=127.1.1.1