youtube video and youtube playlist in same player

i have a question can we play youtube video and youtube playlist in same player. if i give id for youtube playlist it play the playlist and if i give id of single youtube video it should play youtube video

this is the code i am using

<div name="mediaspace" id="mediaspace">
<script type="text/javascript">
var so = new SWFObject('/Alex/player-viral.swf', 'mpl', '900', '500', '9.0.124');
so.addParam('allowscriptaccess', 'always');
so.addParam('allowfullscreen', 'true');
so.addParam('allownetworking', 'all');
so.addParam('wmode','opaque');
so.addVariable('plugins', 'ltas');
so.addVariable('ltas.cc', 'otkezbljgtyshnv');
//...playlist
so.addVariable('file', 'http://gdata.youtube.com/feeds/api/playlists/<?php echo $_GET[url]; ?>');
//...single item
//so.addVariable('file', 'http://www.youtube.com/watch?v=<?php echo $_GET[url]; ?>');
so.addVariable('playlist', 'right');
so.addVariable('playlistsize', '200');
so.addVariable('skin', '/Alex/snel.swf');
so.write('mediaspace');
</script>
</DIV>

thanks let me know.