//<script>
//////////////////
// Helper Stuff //
//////////////////

// used to find the Automation server name
function getDomDocumentPrefix() {
 if (getDomDocumentPrefix.prefix)
  return getDomDocumentPrefix.prefix;
 
 var prefixes = ["MSXML2", "Microsoft", "MSXML", "MSXML3"];
 var o;
 for (var i = 0; i < prefixes.length; i++) {
  try {
   // try to create the objects
   o = new ActiveXObject(prefixes[i] + ".DomDocument");
   return getDomDocumentPrefix.prefix = prefixes[i];
  }
  catch (ex) {};
 }
 
 throw new Error("Could not find an installed XML parser");
}

function getXmlHttpPrefix() {
 if (getXmlHttpPrefix.prefix)
  return getXmlHttpPrefix.prefix;
 
 var prefixes = ["MSXML2", "Microsoft", "MSXML", "MSXML3"];
 var o;
 for (var i = 0; i < prefixes.length; i++) {
  try {
   // try to create the objects
   o = new ActiveXObject(prefixes[i] + ".XmlHttp");
   return getXmlHttpPrefix.prefix = prefixes[i];
  }
  catch (ex) {};
 }
 
 throw new Error("Could not find an installed XML parser");
}

//////////////////////////
// Start the Real stuff //
//////////////////////////


// XmlHttp factory
function XmlHttp() {}

XmlHttp.create = function () {
 try {
  if (window.XMLHttpRequest) {
   var req = new XMLHttpRequest();
   
   // some versions of Moz do not support the readyState property
   // and the onreadystate event so we patch it!
   if (req.readyState == null) {
    req.readyState = 1;
    req.addEventListener("load", function () {
     req.readyState = 4;
     if (typeof req.onreadystatechange == "function")
      req.onreadystatechange();
    }, false);
   }
   
   return req;
  }
  if (window.ActiveXObject) {
   return new ActiveXObject(getXmlHttpPrefix() + ".XmlHttp");
  }
 }
 catch (ex) {}
 // fell through
 throw new Error("Your browser does not support XmlHttp objects");
};

// XmlDocument factory
function XmlDocument() {}

XmlDocument.create = function () {
 try {
  // DOM2
  if (document.implementation && document.implementation.createDocument) {
   var doc = document.implementation.createDocument("", "", null);
   
   // some versions of Moz do not support the readyState property
   // and the onreadystate event so we patch it!
   if (doc.readyState == null) {
    doc.readyState = 1;
    doc.addEventListener("load", function () {
     doc.readyState = 4;
     if (typeof doc.onreadystatechange == "function")
      doc.onreadystatechange();
    }, false);
   }
   
   return doc;
  }
  if (window.ActiveXObject)
   return new ActiveXObject(getDomDocumentPrefix() + ".DomDocument");
 }
 catch (ex) {}
 throw new Error("Your browser does not support XmlDocument objects");
};

// Create the loadXML method and xml getter for Mozilla
if (window.DOMParser &&
 window.XMLSerializer &&
 window.Node && Node.prototype && Node.prototype.__defineGetter__) {

 // XMLDocument did not extend the Document interface in some versions
 // of Mozilla. Extend both!
 //XMLDocument.prototype.loadXML = 
 Document.prototype.loadXML = function (s) {
  
  // parse the string to a new doc 
  var doc2 = (new DOMParser()).parseFromString(s, "text/xml");
  
  // remove all initial children
  while (this.hasChildNodes())
   this.removeChild(this.lastChild);
   
  // insert and import nodes
  for (var i = 0; i < doc2.childNodes.length; i++) {
   this.appendChild(this.importNode(doc2.childNodes[i], true));
  }
 };
 
 
 /*
  * xml getter
  *
  * This serializes the DOM tree to an XML String
  *
  * Usage: var sXml = oNode.xml
  *
  */
 // XMLDocument did not extend the Document interface in some versions
 // of Mozilla. Extend both!
 /*
 XMLDocument.prototype.__defineGetter__("xml", function () {
  return (new XMLSerializer()).serializeToString(this);
 });
 */
 Document.prototype.__defineGetter__("xml", function () {
  return (new XMLSerializer()).serializeToString(this);
 });
}