// Twitter (c) 2010 Lutz Rodenhauser

var treq;
function tLoadXmlDoc(turl)
{
 treq = false;
 if(window.XMLHttpRequest)
 {
  try
  {
   treq = new XMLHttpRequest();
  }
  catch(e)
  {
   treq = false;
  }
 }
 else if(window.ActiveXObject)
 {
  try
  {
   treq = new ActiveXObject("Msxml2.XMLHTTP");
  }
  catch(e)
  {
   try
   {
    treq = new ActiveXObject("Microsoft.XMLHTTP");
   }
   catch(e)
   {
    treq = false;
   }
  }
 }
 if(treq)
 {
  treq.onreadystatechange = thandleReqChange;
  treq.open("GET", turl, true);
  treq.send(null);
 }
}

function thandleReqChange()
{
 if (treq.readyState == 4)
 {
  if (treq.status == 200)
  {
   var tresponse=treq.responseText
   trequest(tresponse);
  }
 }
}

function trequest(tresponse)
{
 if (tresponse != '')
 {
  clearNode('twitter');
  addhtml('twitter',tresponse);
 }
 else
 {
  turl = 'http://www.gruen-as.de/intern/twitter.php'; 
  tLoadXmlDoc(turl);
 }
}

document.writeln('<div id="twitter" name="twitter"><p><img border="0" src="gif/loader.gif" ');
document.writeln('width="32" height="32" alt="Laden"><br>Nachrichten werden geladen...</p></div>');
trequest('');