var playerConfig = { 
   controlBarBackgroundColor: '0x003399', 
   initialScale:'scale', 
   autoPlay: false,
   splashImageFile: 'http://www.obamanotes.com/news/images/wakeup_large.jpg',
   controlBarGloss:'high' 
}

var flowplayer = null;

playerConfig.videoFile = 'http://www.obamanotes.com/videos/Wake_Up_2008.flv'; 

flowplayer = flashembed("main_video",  
   {src:"../JS/flow/FlowPlayerDark.swf", width: 350, height: 300, WMODE:"transparent"},  
   {config: playerConfig} 
);

function changeMainVideo(video_url){
	playerConfig.videoFile = video_url; 
	playerConfig.autoPlay = true; 
	flowplayer.setConfig(playerConfig);
	return false;
}