What a fantastics chatting solution !!! Its works unimaginable. yes, its the webclient ijab (http://ijab.im) which works fantastics with jabber. No other chat can beat this solution. You can install the ijabber using openfire which provide the complete solution for managing all attributes and actions related to chat.
Both are opensource and available without any cost and very easy to install on the server.
References to both opensources:
Have a happy and fast chatting :)