function photo(url) {
	sirka = 393;
  sirkaokna = screen.width;
	zleva = ((sirkaokna - sirka) / 2) - 13;
  window.open("photo.php?img=foto/"+url,"bigphoto","width="+sirka+",height=550,left="+zleva+",top=10,location=0,menubar=0,resizable=0,scrollbars=0,status=0,titlebar=0,toolbar=0");
}

function photo2(url) {
	sirka = 550;
  sirkaokna = screen.width;
	zleva = ((sirkaokna - sirka) / 2) - 13;
  window.open("photo.php?img="+url,"bigphoto","width="+sirka+",height=550,left="+zleva+",top=10,location=0,menubar=0,resizable=0,scrollbars=0,status=0,titlebar=0,toolbar=0");
}