function popupwin(url,width,height) {
	var tmpwinname = new String;
	tmpwinname = "winid" + Math.round((Math.random() * 5000));
	var winID=window.open(url,tmpwinname,"toolbar=no,location=no,directories=no,status=no,scrollbars=yes,resizable=yes,copyhistory=no,width="+width+",height="+height);
   	if (winID != null && winID.opener == null) winID.opener= self;
	if(winID.focus()){ winID.focus(); }
}


function addBookmark(url, description) {
	if (parseInt(navigator.appVersion) >= 4 &&  navigator.appName.indexOf("Microsoft") != (-1)) {
		javascript:window.external.AddFavorite(url, description);
	}
	else {
		alert("Dieser Service steht Ihnen nur im Microsoft Internet Explorer ab Version 4 zur Verf" + String.fromCharCode(252) + "gung.\nBitte f" +  String.fromCharCode(252) + "gen Sie die Seite manuell zu Ihren Favoriten hinzu.");
	}
}