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xmlHttp= false;
if (window.XMLHttpRequest)
{ //MozillaµÈÆäËûä¯ÀÀÆ÷
xmlHttp= new XMLHttpRequest();
if (xmlHttp.overrideMimeType)
{
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}
}
else if (window.ActiveXObject)
{ //IEä¯ÀÀÆ÷
try
{ //Microsoft ä¯ÀÀÆ÷ Internet Explorer ʹÓà MSXML ½âÎöÆ÷´¦Àí XML
xmlHttp= new ActiveXObject("Msxml2.XMLHTTP"); //³¢ÊÔʹÓÃÒ»¸ö°æ±¾µÄ MSXML ´´½¨¶ÔÏó£¬Èç¹ûʧ°ÜÔòʹÓÃÁíÒ»¸ö°æ±¾´´½¨¸Ã¶ÔÏó¡£
}
catch (e)
{
try
{
xmlHttp= new ActiveXObject("Microsoft.XMLHTTP");
}
catch (e)
{
}
}
}
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xmlHttp.onreadystatechange=function() {
//alert(xmlHttp.readyState);
if (xmlHttp.readyState==4) {
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