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    send(content)  Ïò·þÎñÆ÷·¢ËÍÇëÇó
    responseXML 
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<script
type="text/javascript">   
      
var xmlhttpreq = false;
   
     
function createxmlhttprequest() {
           ...
     
}
 
     
//
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function sendRequest(url) {
            
createXMLHttpRequest();
            
XMLHttpReq.open("GET", url, true);
            
XMLHttpReq.onreadystatechange = processResponse;//
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XMLHttpReq.send(null);  //
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}
     
   
//
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function processResponse() {
     
 
if (XM
LHttpReq.readyState == 4) { //
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if (XMLHttpReq.status == 200) { //
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