var flag=0; if (!window.XMLHttpRequest) { window.XMLHttpRequest = function() { var xmlHttp = null; var ex; try { xmlHttp = new ActiveXObject("Msxml2.XMLHTTP.4.0"); } catch (ex) { try { xmlHttp = new ActiveXObject("MSXML2.XMLHTTP"); } catch (ex) { try { xmlHttp = new ActiveXObject("Microsoft.XMLHTTP"); } catch (ex) {} } } return xmlHttp; } } function XHR(callback) { switch(typeof(callback)) { case "function": case "string": break; //允许参数是 函数或字符串 default: return null; } //*/ var xml_method = 0; var http = new XMLHttpRequest(); if (http == null) { //alert("创建对象失败!"); return null; } http.onreadystatechange = function(){ /* 0: Uninitialized 1: Loading 2: Loaded 3: Interactive 4: Finished */ if(http.readyState == 4) { try { var ret = http.responseText; //结果 if (typeof(callback)=="function") { callback(ret); //回访回调函数 } else if(typeof(callback)=="string") { var lc = callback.indexOf("("); var rc = callback.indexOf(")"); //alert("callback: "+lc+" "+rc); if ((lc<0)&&(rc<0)) { s = callback+"(ret)"; } else { var a = ""; a = (rc-lc<2)?"":","; r = /\)/g; s = callback.replace(r ,a+"ret)"); } //alert(s); eval(s); } //http = null; } catch(e) { //alert(e.description); } } }; this.get = function(url){ try { //alert('a'); //* //alert("url="+url); http.open('get', url, false); http.send(null); //*/ } catch(e) { //alert(e.description); } }; this.post = function(url,args){ try { http.open('post', url, false); http.setRequestHeader("Method", "POST " + url + " HTTP/1.1"); http.setRequestHeader("Charset","GB2312"); http.setRequestHeader("Content-Type", "application/x-www-form-urlencoded"); //* var arg_g_arr = args.split("&"); for(key in arg_g_arr) { value_arr = arg_g_arr[key].split("="); value_arr[1] = encodeURI(value_arr[1]); arg_g_arr[key] = value_arr.join("="); } args = arg_g_arr.join("&"); //alert(args); //*/ http.send(args); } catch(e) { //alert(e.description); } }; } var x=new XHR("do_show"); var url="http://"+document.domain+"/ip.php?method=check"; //var url="http://www.huanqiu.com/ip.php?method=check"; x.get(url); function do_show(str) { /* document.writeln("
"); document.writeln("