function newwindow (url,breite,hoehe)
	{
	open (url,"link","width="+breite+",height="+hoehe+",toolbar=yes,location=yes,directories=yes,status=yes,menubar=yes,scrollbars=yes,resizable=yes");
	}

function helpwindow (url,breite,hoehe)
	{
	open (url,"plain","width="+breite+",height="+hoehe+",toolbar=no,location=no,directories=no,status=yes,menubar=no,scrollbars=yes,resizable=yes");
	}