Determines whether the gateway is connected to the instant messaging server.
Boolean = isOnline()
getCustomAwayMessage, getStatusAsString, getStatusTimeStamp, setStatus, "Using the GatewayHelper object" in the ColdFusion Developer's Guide
True, if the gateway is connected to the IM server; False, otherwise.
See "GatewayHelper example", in the ColdFusion Developer's Guide, which uses all GatewayHelper class methods.