function loadXMLDoc( url ) {
  if(window.XMLHttpRequest) {
    try { req = new XMLHttpRequest();
    } catch(e) { req = false; }
  } else if(window.ActiveXObject) {
    try { req = new ActiveXObject('Msxml2.XMLHTTP');
    } catch(e) {
    try { req = new ActiveXObject('Microsoft.XMLHTTP');
    } catch(e) { req = false; }
  } }
  if(req) {
    req.onreadystatechange = processReqChange;
    req.open('GET', url, true);
    req.send('');
  }
}
function processReqChange() {
  if (req.readyState == 4 && req.status == 200 && req.responseXML ) {
  	alert('done');
  	/*
    var dtable = document.getElementById( 'dataBody' );
    var nl = req.responseXML.getElementsByTagName( 'book' );
    for( var i = 0; i < nl.length; i++ ) {
      var nli = nl.item( i );
      var elAuthor = nli.getElementsByTagName( 'author' );
      var author = elAuthor.item(0).firstChild.nodeValue;
      var elTitle = nli.getElementsByTagName( 'title' );
      var title = elTitle.item(0).firstChild.nodeValue;

      var elTr = dtable.insertRow( -1 );

      var elAuthorTd = elTr.insertCell( -1 );
      elAuthorTd.innerHTML = author;

      var elTitleTd = elTr.insertCell( -1 );
      elTitleTd.innerHTML = title;
	      */
		//} 
	}
}