createDocumentFragment()

  var xmlDoc = new ActiveXObject("Msxml2.DOMDocument");
  xmlDoc.async = false;
  xmlDoc.load("mydvd.xml");

  var docFragment = xmlDoc.createDocumentFragment();

  var elem1 = xmlDoc.createElement("soda");
  elem1.text = "25393.35";

  docFragment.appendChild(elem1);

  var elem2 = xmlDoc.createElement("pop-corn");
  elem2.text = "13356.28";
  docFragment.appendChild(elem2);
  var elem3 = xmlDoc.createElement("snacks");
  elem3.text = "356.28";
  docFragment.appendChild(elem3);

  xmlDoc.documentElement.appendChild(docFragment);

  function addDocFragment() {
    var xmlDoc = new ActiveXObject("Msxml2.DOMDocument");
    var namedNodeMap;
    xmlDoc.async = false;
    xmlDoc.load("mydvd.xml");
    alert(xmlDoc.documentElement.xml);
    var docFragment = xmlDoc.createDocumentFragment();
    var elem1 = xmlDoc.createElement("soda");
    elem1.text = "25393.35";
    docFragment.appendChild(elem1);
    var elem2 = xmlDoc.createElement("pop-corn");
    elem2.text = "13356.28";
    docFragment.appendChild(elem2);
    var elem3 = xmlDoc.createElement("snacks");
    elem3.text = "356.28";
    docFragment.appendChild(elem3);
    xmlDoc.documentElement.appendChild(docFragment);
    alert(xmlDoc.documentElement.xml);
}

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