function register(lang)
{
  w=720;
  h=500;	

  w += 32;
  h += 96;
  wleft = (screen.width - w) / 2;
  wtop = (screen.height - h) / 2 - 20;
  var winh = window.open("../../changelang.php?Lang="+lang,"semanacineexperimentalmadrid", "top="+wtop+",left="+wleft+",height="+h+",width="+w+",status=no,toolbar=no,menubar=no,scrollbars=yes,location=no");
}