function youtube($video, $largura=640, $altura=480) {
  $video = explode("=", $video);
  $video = $video[1];
  $video = explode("&", $video);
  $video = $video[0];
  $video = str_replace("?v=", null, $video);
  return '<object width="'.$largura.'" height="'.$altura.'"><param name="movie" value="http://www.youtube.com/v/'.$video.'&amp;hl=pt_BR&amp;fs=1"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/'.$video.'&amp;hl=pt_BR&amp;fs=1" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="'.$largura.'" height="'.$altura.'"></embed></object>';
}

function youtube_title($video) {
  $video = get_meta_tags($video);
  return $video['title'];
}

function youtube_description($video) {
  $video = get_meta_tags($video);
  return $video['description'];
}