function probka(plik, winName) {
    winName = window.open('probka.php?plik='+plik, winName,'left=30,top=20,scrolling=no,width=250,height=250,status=no');
    winName.focus();
  }
  function probka_new(plik, tytul, winName,fw,fh) {
    winName = window.open('probka_new.php?plik='+plik+'&tytul='+tytul, winName,'menubar=no,left=30,top=20,scrolling=no,width='+fw+',height='+fh+',status=no');
    winName.focus();
  }