代码如下:
//检测用户名是否被占用 
function GetO(){ 
var ajax=false; 
try { 
ajax = new ActiveXObject("Msxml2.XMLHTTP"); 
} catch (e) { 
try { 
ajax = new ActiveXObject("Microsoft.XMLHTTP"); 
} catch (E) { 
ajax = false; 
} 
} 
if (!ajax && typeof XMLHttpRequest!='undefined') { 
ajax = new XMLHttpRequest(); 
} 
return ajax; 
} 
function getResult(serverPage) { 
var ajax = GetO(); 
var sep = (-1  serverPage.indexOf("?")) ? "&" : "?" 
var newurl = s...[ 查看全文 ]