<!--

function otworz (nazwa, szer, wys, scroll) {

    var left  = Math.floor((screen.width-szer)/2);
    var top   = Math.floor((screen.height-wys)/2);

    param='left=' + left + ',top=' + top + ',width='+szer+',height='+wys+'toolbar=no,location=no,directories=no,status=no,menubar=no,resizable=no,';
    param += (scroll) ? "scrollbars=yes" : "scrollbars=no";

    okno=window.open('','new',param)
    okno.document.write('<HTML><HEAD>');
    okno.document.write('</HEAD>');
    okno.document.write('<body bgcolor=white leftmargin=0 topmargin=0 marginheight=0 marginwidth=0>');
    okno.document.write('<DIV align=center><a href="javascript:self.close();"><img src='+nazwa+' border=0 alt="Close window"></A></DIV>');
    okno.document.write('</body></html>');
    okno.focus();

}

//-->