function MM_openBrWindow(theURL,winName,features) { //v2.0
  fenster = window.open(theURL,winName,features);
  fenster.focus();
}

function MM_openWebradioWindow(theURL,winName) {
  var features = 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,copyhistory=no,width=600,height=500';
  MM_openBrWindow(theURL,winName,features);
}