function pop_strona(url, width, height) {
var left = (screen.width/2) - width/2;
var top = (screen.height/2) - height/2;
var styleStr = 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no,width='+width+',height='+height+',left='+left+',top='+top+',screenX='+left+',screenY='+top;
var okno=window.open(url, "_blank", styleStr);
}
function pop_img(plik, szerokosc, wysokosc, opis) {
opis= !opis ? 'Zdjêcie' : opis;
var left = (screen.width/2) - szerokosc/2;
var top = (screen.height/2) - wysokosc/2;
var styl = 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=yes,copyhistory=no';
styl += ',width='+szerokosc+',height='+wysokosc+',left='+left+',top='+top+',screenX='+left+',screenY='+top;
var pop_okno = window.open("", "_blank", styl);
var zawartosc = '';
zawartosc += '';
zawartosc += ''+opis+'';
zawartosc += '';
zawartosc += '';
zawartosc += '';
zawartosc += '