function openPopUp(link, titel, von_links, von_oben, breite, hoehe, scroll) {
  open(link, titel, "left="+von_links+",top="+von_oben+",width="+breite+",height="+hoehe+",menubar=no,status=no,toolbar=no,location=no,resizable=no,scrollbars="+scroll+",hotkeys=no");
}
function openUrlPopup(link, titel, von_links, von_oben, breite, hoehe, scroll) {
  open(link, titel, "left="+von_links+",top="+von_oben+",width="+breite+",height="+hoehe+",menubar=yes,status=yes,toolbar=yes,location=yes,resizable=yes,scrollbars="+scroll+",hotkeys=yes");
}