if(typeof(DOMParser) == 'undefined') {
 DOMParser = function() {}
 DOMParser.prototype.parseFromString = function(str, contentType) {
  if(typeof(ActiveXObject) != 'undefined') {
   var xmldata = new ActiveXObject('MSXML.DomDocument');
   xmldata.async = false;
   xmldata.loadXML(str);
   return xmldata;
  } else if(typeof(XMLHttpRequest) != 'undefined') {
   var xmldata = new XMLHttpRequest;
   if(!contentType) {
    contentType = 'application/xml';
   }
   xmldata.open('GET', 'data:' + contentType + ';charset=utf-8,' + encodeURIComponent(str), false);
   if(xmldata.overrideMimeType) {
    xmldata.overrideMimeType(contentType);
   }
   xmldata.send(null);
   return xmldata.responseXML;
  }
 }
}