var newwindow;
function pop(kategoria,url)
{
  nastav=
  "toolbar=no,location=no,directories=no,"+
  "status=no,menubar=no,scrollbars=no,"+
  "resizable=yes,width=700,height=550";

	newwindow=window.open('/lupa/'+kategoria+'/'+url+'/','ozex galéria',nastav);
	if (window.focus) {newwindow.focus()}
}