function info(box,num){
  for (i = 1; i <= 10; i++) {
    var div = document.getElementById("box"+i);
    if (div) div.className = '';
  }
  box.className = 'active';

  for (i = 1; i <= 10; i++) {
    var div = document.getElementById("info"+i);
    if (div) div.style.display = 'none';
  }
  var div = document.getElementById("info"+num);
  if (div) div.style.display = 'block';

  return false;
}

function fotka(jmeno,adr,x1,y1) {
	var url2 = '';
	if (adr) adr = adr+"/";
	url = "images/"+adr+jmeno;
	var x=typeof x1!="undefined" ? x1 : "648px"
	var y=typeof y1!="undefined" ? y1 : "480px"
	rozmery='width='+x+',height='+y+',toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no';
	okno = window.open('fotka.php','okno',rozmery);
	okno.moveTo(((screen.availWidth-x)/2),((screen.availHeight-y)/2));
}