function affiche_logo(){
	document.getElementById('logo').style.display='block';
	document.getElementById('loading').style.display='none';
}			

function affiche_loader(){
	document.getElementById('loading').style.display='block';
	document.getElementById('logo').style.display='none';
}
function affiche_player(){
	document.getElementById('loading').style.display='none';
	document.getElementById('logo').style.display='none';
}
function gestion_video(){
	if((document.getElementById('video').openState==6)){
		// Content file is open 
		if((document.getElementById('video').PlayState==2)||(document.getElementById('video').PlayState==1)||(document.getElementById('video').PlayState==4)||(document.getElementById('video').PlayState==5)){
			//Stream is playing or paused or scanning forward or in reverse
			affiche_player();
		}else{
			if(document.getElementById('video').PlayState==3){
				// buffering
				affiche_loader();
			}else{
				// Playback is stopped or Stream is not open 
				affiche_logo();		
			}
		}
	}else{
		if((document.getElementById('video').openState==4)&&(document.getElementById('video').PlayState==3)){
			// buffering
			affiche_loader();
		}else{
			affiche_logo();	
		}
	}	
}