function Q(Id) {
  return document.getElementById(Id);
}

function WindowOpen(Url, S, R, W, H) {
  var T = (screen.height / 2) - (H / 2);
  var L = (screen.width / 2) - (W / 2);
  window.open(Url, '1', 'scrollbars='+ S +', resizable='+ R +' width='+ W +', height='+ H +', top='+ T +', left='+ L);
}

function Slider(Src) {
  Q('FotografGalerisiBigger').src = Src;
}