What window cleaner is best for stained glass windows?

I am including a link that tells you how to identify which type of stained glass you have and how to clean it. It is important to follow the directions carefully because if not cleaned the right way crystals can form from the stained glass and are hazardous. Windows&id=2540582">http://ezinearticles.com/?How-to-Clean-Stained-Glass-Windows&id=2540582