szer=screen.width;
wys=screen.height;
function show_zoomer3d(url) {
  window.open(url,"",'toolbar=no, location=no, direction=no, status=no, menubar=no, scrollbars=no, resizable=no, left='+((szer-445)/2)+', top='+((wys-580)/2)+', width=445, height=580');
 }