public int donnerStock (int dons){
		if(dons > 0)
			this.compteur = 0;
		
		if(this.stock + dons > MAX_STOCK){
			int r = MAX_STOCK - this.stock;
			this.stock = MAX_STOCK;
			return r;
		}
		else{
			this.stock += dons;
			return 0;
		}
	}