public void basicSetWorkout(Workout myWorkout) {
		if (this.workout != myWorkout) {
			if (myWorkout != null){
				if (this.workout != myWorkout) {
					Workout oldworkout = this.workout;
					this.workout = myWorkout;
					if (oldworkout != null)
						oldworkout.unsetCardio();
				}
			}
		}	
	}