JW Player 5.4 - Use Javascript to start video playback
Reference
http://www.longtailvideo.com/support/forums/jw-player/javascript-interaction/17139/calling-a-video-in-a-playlist-with-javascript-using-54
jwplayer().play(true) [Play Current Item]
jwplayer().play(false) [Pause Current Item]
jwplayer().playlistNext() [Advance Playlist]
jwplayer().playlistItem(0);jwplayer().play() [Play Item 1]
jwplayer().playlistItem(1);jwplayer().play() [Play Item 2]
jwplayer().playlistItem(2);jwplayer().play() [Play Item 3]
jwplayer().playlistItem(0); [Jump to Item 1]
jwplayer().playlistItem(1); [Jump to Item 2]
jwplayer().playlistItem(2); [Jump to Item 3]
Event Log (most recent first)