function reloadNews(sid,topic) {
  document.getElementById("indicator").style.backgroundImage='url(/wait.gif)';
  $("#treemap_wrap").load("/index.php", {'PHPSESSID':sid, 'p':topic}, function() {document.getElementById("indicator").style.backgroundImage='none'; } );
  setTimeout('reloadNews("' + sid + '","' + topic + '")',20000);
}