public boolean equals(Object obj)
	{
		if (this == obj)
			return true;
		if (obj == null)
			return false;
		if (getClass() != obj.getClass())
			return false;
		Coordonnees other = (Coordonnees) obj;
		if (this.x != other.x)
			return false;
		if (this.y != other.y)
			return false;
		return true;
	}