We are a non-profit organization that does not sell anything on our web site. I plan to try to use the player to play testimonial audios and videos. The only "commercial" aspect of our site is that people do have a chance to make a tax-deductible donation. However, donations is not the focus of the site at all.
By the way, will this player work with both IE7 and FireFox 3? Thanks for the answers

@Doug - you're welcome to use the player w/o a license as long as you don't remove the "JW" attribution when users right-click the player. And yes, the player works in all browsers.