Crystallization and Magnetic Properties of Fe<inf>40</inf>Co <inf>40</inf>Cu<inf>0.5</inf>Al<inf>2</inf>Zr<inf>9</inf>Si<inf>4</inf>B <inf>4.5</inf> and Fe<inf>62</inf>Co<inf>9.5</inf>Gd<inf>3.5</inf>Si <inf>10</inf>B<inf>15</inf> Amorphous Alloys