function onYouTubePlayerReady(playerId)
{
	 if (playerId && (playerId != 'undefined'))
	 {
		if (playerId == 'filmpje_1')
		{
     		speler = document.getElementById('movie001_swf');
		}
		
		// tweede filmpje, enz:
		if (playerId == 'filmpje_2')
		{
     		speler = document.getElementById('movie002_swf');
		}

		if (playerId == 'filmpje_3')
		{
     		speler = document.getElementById('movie003_swf');
		}
		
		if (playerId == 'filmpje_4')
		{
     		speler = document.getElementById('movie004_swf');
		}
		
		if (playerId == 'filmpje_5')
		{
     		speler = document.getElementById('movie005_swf');
		}
		
		if (playerId == 'filmpje_6')
		{
     		speler = document.getElementById('movie006_swf');
		}		
		
	 }
}

function stop_spelen()
{
	if ((speler) && (speler != 'undefined'))
	{
		speler.pauseVideo();	
	}
}