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 function Ajax() {}

Ajax.prototype = {
 sendRequest: function(url, callBack, postData, anscr, method, isSetContentType) {
  var xmlhttp = GetXmlHttpObject();
  xmlhttp.onreadystatechange = callBackHandle;
  xmlhttp.open(method, url , anscr);
  if(isSetContentType)
   xmlhttp.setRequestHeader("CONTENT-TYPE", "application/x-www-form-urlencoded");
  xmlhttp.send(postData);
  function callBackHandle() {
   if (xmlhttp.readyState == 4){
    if (xmlhttp.status == 200) {
     callBack(0, xmlhttp.responseXML);
     xmlhttp = null;
    }else{
     callBack(1, xmlhttp.responseXML);
     xmlhttp = null;
    }
   }
  }
 },
 XMLXSLTOHTML:function(xmlDoc, xslpath) { //此方法當前版本只支技IE瀏覽器
  this.sendRequest(xslpath, thisCallBack, null, false, "GET");
  this.html = "";
  function thisCallBack(code, returnData) {
   if(code == 0) {
    html = xmlDoc.transformNode(returnData.documentElement);
   }else{
    alert("");
   }
  }
  return html;
 },
 show:function() {
  alert("test ajax object new ok");
 }
};

function GetXmlHttpObject(){
 var objXmlHttp = null
 if (navigator.userAgent.indexOf("Opera") >= 0){
  alert("This example doesnt work in Opera")
  return;
 }
 if (navigator.userAgent.indexOf("MSIE") >= 0){
  var strName = "Msxml2.XMLHTTP"
  if (navigator.appVersion.indexOf("MSIE 5.5")>=0){
   strName = "Microsoft.XMLHTTP"
  }
  try{
   objXmlHttp = new ActiveXObject(strName)
   //objXmlHttp.onreadystatechange=handler
   return objXmlHttp
  }
  catch(e){
   alert("Error. Scripting for ActiveX might be disabled")
   return
  }
 }
 if (navigator.userAgent.indexOf("Mozilla") >= 0){
  objXmlHttp = new XMLHttpRequest()
  //objXmlHttp.onload=handler
  //objXmlHttp.onerror=handler
  return objXmlHttp
 }
}