function loadXMLDoc(dname) {
  // Variables
  var xmlDoc;
  if( window.XMLHttpRequest ) {
    // code for all browsers except IE 6-
    xmlDoc = new XMLHttpRequest();
  } else if( window.ActiveXObject ) {
    // IE 6-
    xmlDoc = new ActiveXObject('Microsoft.XMLHTTP');
  } else {
    // no support :(
    return;
  }
  xmlDoc.open('GET',dname,false); //true for synchronous
  xmlDoc.send(null);
  return(xmlDoc.responseXML);
}