static public LevelAttributesCS GetInstance() 
	{
		if (!instance) 
		{
			instance = (LevelAttributesCS) Object.FindObjectOfType( typeof(LevelAttributesCS) ) ;
			if (!instance)
			{
				Debug.LogError("There needs to be one active LevelAttributes script on a GameObject in your scene.");
			}
		}
		return instance;
	}
	void OnDisable () 
	{
		instance = null;
	}
	void Awake () {
		// Set up our convenience references.
		levelAttributes = LevelAttributesCS.GetInstance ();
		levelBounds = levelAttributes.bounds;
	}