function openWindow(url, breite, hoehe, menu_s, tool_s, scroll_s) {
   var win = 'toolbar=' + tool_s + ',location=0,directories=0,menubar=' + menu_s + ',scrollbars=' + scroll_s + ',status=0,target=_blank,width=' + breite + ',height=' + hoehe;
   var msg = open(url, '', win);
   msg.focus()
 }