public Zone retrieveZone(String zoneName)
	{
		if(zones != null)
		{
			//Iterate through zones, returning the zone with name specified by
			//zoneName. Once a zone is returned the method terminates
			for(int i=0; i< zones.size(); i++)
			{
				if(zones.get(i).name == zoneName)
					return zones.get(i);
			}
		}

		//This is only executed if no zone is found
		if(Debug.localMouse)
			System.out.println("No zone of that name found");
		return null;
	}