function foto(nazwa, w, h)
{
 var pos_y = (screen.height/2)-(h/2);
 var pos_x = (screen.width/2)-(w/2);
 if( pos_y < 0 ) pos_y = 0;
 if( pos_x < 0 ) pos_x = 0;
 window.open("foto.php?" + nazwa, "","tollbar=no,menubar=no,location=no,personalbar=no,scrollbars=no,status=no,resizable=no,width="+ w +",height="+ h +", top="+ pos_y +",left="+ pos_x);
} // foto()

function foto2(nazwa, w, h)
{
 var pos_y = (screen.height/2)-(h/2);
 var pos_x = (screen.width/2)-(w/2);
 if( pos_y < 0 ) pos_y = 0;
 if( pos_x < 0 ) pos_x = 0;
 window.open("foto.php?" + nazwa, "","tollbar=no,menubar=no,location=no,personalbar=no,scrollbars=yes,status=no,resizable=no,width="+ w +",height="+ h +", top="+ pos_y +",left="+ pos_x);
} // foto()