function zobrazfoto(Naz,Sir,Vys) {
VysOkna = Vys+25;
SirOkna = Sir;
if (VysOkna>(screen.height-10)) {
SirOkna = SirOkna * (screen.height-10) / VysOkna;
VysOkna = screen.height-10;
}
if (SirOkna>(screen.width-10)) {
VysOkna = VysOkna * (screen.width-10) / SirOkna;
SirOkna = screen.width-10;
}
Vys = Math.round(VysOkna-25);
Sir = Math.round(SirOkna);
msgWindow=window.open("","Aquarium","width="+SirOkna+", height="+VysOkna+", top="+((screen.height-VysOkna)/2-5)+", left="+(screen.width-SirOkna)/2);
msgWindow.document.write("");
msgWindow.document.write("Akvárium Romana a Marcely\n");
msgWindow.document.write("