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xml.send();
alert(arguments[0]);//Õâ±ßÓÐ
xml.onreadystatechange=function(){
alert("begin");//Õâ±ßûÓÐ
if(xml.readyState==4){
if(xml.status==200){
xmlData=xml.responseXML;
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xml.send(null);
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function Getxmlhttp()
{
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{
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