I need a desk top alert software. It needs to be a one way communication. So when i do an alert, no one can respond. I need to have multiple groups or list to send specific alerts to each group. The alerts need to be fast like using yahoo messenger or ICQ. Something that only paying members to my website can have access to. Also it needs to be very user friendly adding and removing people from each list or group. This needs to be private label with our company logo, and a spot on the messenger for advertisements that the members would see.