function launcher(urldownload, urlredir) {
  var isIe = (window.navigator.userAgent.toUpperCase().indexOf('MSIE') != -1);
  var isChrome = (window.navigator.userAgent.toUpperCase().indexOf('CHROME') != -1);
  var isOpera = (window.navigator.userAgent.toUpperCase().indexOf('OPERA') != -1);
  var wIndex = Math.round(Math.random(Math.random()*100));
  var wTitle = 'Downloader'+ wIndex; 
  if ((isIe || isChrome) && !isOpera) {
	window.open(urldownload, wTitle, 'toolbar=0,location=no,directories=0,status=0, scrollbars=no,resizable=0,width=1,height=1,top=0,left=0');
	window.focus();
	location.href = urlredir + '?dl=no';
  } else {
	location.href = urlredir;
  }
}
// old version google-analytics
function startTracking() {
  urchinTracker('/downloads_count');
}
//new version google-analytics
function startTracking2() {
  pageTracker._trackPageview('/downloads_count');
}