function regulamin(){
          okienko = window.open("regulamin.html","Regulamin","toolbar=no,menubar=no,location=no,personalbar=no,scrollbars=yes,status=no,directories=no,resizable=no,height=200,width=520");
          okienko.focus();
        }

        function powiadom(){
          okienko = window.open("powiadom.php","Powiadom","toolbar=no,menubar=no,location=no,personalbar=no,scrollbars=yes,status=no,directories=no,resizable=no,height=490,width=520");
          okienko.focus();
        }

        function nota(){
          okienko = window.open("nota.html","Nota","toolbar=no,menubar=no,location=no,personalbar=no,scrollbars=yes,status=no,directories=no,resizable=no,height=400,width=520");
          okienko.focus();
        }

        function openwin(url, wd, ht){	  
          okienko = window.open("show.php?co=img/"+url+".jpg","Powiekszenie","toolbar=no,menubar=no,location=no,personalbar=no,scrollbars=no,status=yes,directories=no,resizable=no,height="+ht+",width="+wd);
          okienko.resizeTo(parseFloat(wd)+24, parseFloat(ht)+66);
          okienko.focus();
        }

        function openwin2(url, wd, ht){	  
          okienko = window.open("show.php?co="+url+".jpg","Powiekszenie","toolbar=no,menubar=no,location=no,personalbar=no,scrollbars=no,status=yes,directories=no,resizable=no,height="+ht+",width="+wd);
          okienko.resizeTo(parseFloat(wd)+24, parseFloat(ht)+66);
          okienko.focus();
        }