function pop(plik,w,h){if(window.screen){aw=screen.availWidth;ah=screen.availHeight;}
dane="width="+w+",height="+h+",left="+(aw-w)/2+",top="+(ah-h)/2+",toolbar=no,location=no,directories=no,"+"status=no,menubar=no,"+"scrollbars=yes,resizable=no";okno=window.open(plik,'pop',dane);}