parsing youtube xml

Hi list,

does anyone know why this code returns an empty array?

<?Lassoscript
var('youtube_id')='oHg5SJYRHA0';
var('youtube_xml')=xml(include_url('http://gdata.youtube.com/feeds/api/videos/'+$youtube_id));
'title: '+encode_HTML($youtube_xml->extract('/entry/title'));
?>

thanks,
Jonathan
--
Jonathan Vanherpe - Tallieu & Tallieu NV - jonathan@...

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