public synchronized void pause()
	{
		statut = Thread.State.BLOCKED;
		try
		{
			while(statut == Thread.State.BLOCKED)
				wait();
		}
		catch(InterruptedException e)
		{}
	}
	
	public synchronized void arreter()
	{
		statut = Thread.State.TERMINATED;
		notify();
	}
	
	public synchronized void relancer()
	{
		statut = Thread.State.RUNNABLE;
		notify();
	}