public String getImageFromBundles(String key)
	{
		if (key != null)
		{
			Iterator<mxImageBundle> it = imageBundles.iterator();

			while (it.hasNext())
			{
				String value = it.next().getImage(key);

				if (value != null)
				{
					return value;
				}
			}
		}

		return null;
	}