var XMLDom = {
  Version: '1.1.0',
  prototypeVersion: parseFloat(Prototype.Version.split(".")[0] + "." + Prototype.Version.split(".")[1])
}
XMLDom.document = Prototype.Class.create();
XMLDom.document.prototype = {
initialize: function(strXML){
  var xmlDoc = null;
  if (window.ActiveXObject){
try{
xmlDoc = new ActiveXObject('MSXML3.DOMDocument');
}catch(e){
try{
xmlDoc = new ActiveXObject('MSXML2.DOMDocument');
}catch(e){
xmlDoc = new ActiveXObject('Microsoft.DOMDocument');
}
}
xmlDoc.loadXML(strXML);
  }
  else if (document.implementation && document.implementation.createDocument){
var xmlParser = new DOMParser();
while (strXML.indexOf('&lt;') >= 0) strXML = strXML.replace('&lt;', '<');
while (strXML.indexOf('&gt;') >= 0) strXML = strXML.replace('&gt;', '>');
xmlDoc = xmlParser.parseFromString(strXML, "text/xml");
  }
  this.xmlDoc = xmlDoc;
},
selectSingleNode: function(xPath){
  var content;
  if (window.ActiveXObject){
content = this.xmlDoc.selectSingleNode(xPath).value;
  }
  else if (document.implementation && document.implementation.createDocument){
var obj = this.xmlDoc.evaluate(xPath, this.xmlDoc.documentElement, null, XPathResult.STRING_TYPE, null);
content = obj.stringValue;
  }
  return content
},
getSingleNode: function(xPath){
  var content;
  if (window.ActiveXObject){
content = this.xmlDoc.selectSingleNode(xPath);
  }
  else if (document.implementation && document.implementation.createDocument){
var obj = this.xmlDoc.evaluate(xPath, this.xmlDoc.documentElement, null, XPathResult.STRING_TYPE, null);
content = obj;
  }
  return content
},
getDocument: function(){
return this.xmlDoc;
},
xml: function(){
    var strXml="";
if(window.XMLSerializer){
  strXml = new XMLSerializer().serializeToString(this.xmlDoc);
}else{
  strXml = this.xmlDoc.xml;
}
return strXml;
}
}