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<%
if(user.exist())response.write "1"
%>
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<script>
/*ÒÔϺ¯ÊýÒ»°ã²»ÐèÒª¸Ä±ä*/
var Ajax;
function CreateAjax(){
if (window.XMLHttpRequest){
Ajax = new XMLHttpRequest();
}else if (window.ActiveXObject){
Ajax = new ActiveXObject("Microsoft.XMLHTTP");
}
}
function SendData(url_,sendtext_){
Ajax.open("POST",url_,true);
Ajax.onreadystatechange = checkuser;
Ajax.send(sendtext_);
}
function CheckAjaxStatus(Ajax_){
if(Ajax_.readyState == 4)
if(Ajax_.status == 200)
return true;
return false;
}
/*ÒÔÉϺ¯ÊýÒ»°ã²»ÐèÒª¸Ä±ä*/
function checkuser(){
if(!CheckAjaxStatus(Ajax))return;
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}
function checkusername(){
CreateAjax();
SendData("ajaxusername.jsp","username=" + name);
}
</script>
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