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                type: "POST",   //·ÃÎÊWebServiceʹÓÃPost·½Ê½ÇëÇó
                contentType: "application/json",
                url: "UpdateNews.aspx/InsertLocalImages",
                data: "{dirName:'" + UploadPath + "',ImagePath:'" + imgpath + "',ImageName:'" + imgname + "',filetitle:'" + title + "',filedate:'" + date + "',fileexp:'" + exp + "',filekeyw:'" + keyw + "',iscovr:'" + iscovr + "'}",
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                    if (result.d != "") {
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                        InsertImage(result.d, id);
                        Dialog.alert("±¾µØÍ¼Æ¬Èë¿â³É¹¦", function() { Dialog.close(); });
                    }
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ajax XMLHttpRequest.readyStateÖÐStateµÄ"S"Òª´óд

<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>xmlhttprequest ajax demo</title>
<mce:script type ="text/javascript" language ="javascript" ><!--
var req; //¶¨Òå±äÁ¿£¬ÓÃÀ´´´½¨xmlhttprequest¶ÔÏó
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http_request.open("POST",url,true);
http_request.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
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