AjaxÑéÖ¤Óû§ÃûÊÇ·ñ´æÔÚ
<script language="javascript" type="text/javascript">
var xmlHttp = null;
function CreateXMLHttp()
{
if(window.ActiveXObject)
{
xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
}
else if(window.XMLHttpRequest)
{
xmlHttp = new XMLHttpRequest();
}
}
function checkUserName(value){
var patrn=/^[a-z]{1}[a-z0-9]{5,15}$/;
if (patrn.exec(value)){
return true
}else{
return false
}
}
function CheckLoginName()
{
CreateXMLHttp();
var txtName=document.g
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function sendAsynchronRequest(url,parameter,callback){
createXMLHttpRequest();
if(parameter == null){
xmlHttp.onreadystatechange = callback;
xmlHttp.open("GET",url,true);//µ±GETÇëÇóʱ£¬ÔÚµØÖ·À¸ÖÐÊÇ´ø²ÎÊýµÄ£¬¶ø²ÎÊýΪNULL£¬ËùÒÔÓÃgetÇëÇó£¬send(null)
......
var jsonObj;
var xmlhttp = null;
function callAsync(url, callbackSuccess)
{
xmlhttp = new Ajax();
xmlhttp.open("GET", url, true);
xmlhttp.onreadystatechange=function()
{
// readyState = 4 ; "complete"
if (xmlhttp.readyState==4)
{ ......