Color and date

Hello everyone ,































I am working on a chat programme and I was wondering how to separate the both usernames for example:































Server is me , and Client is the first man who had connected to me , so I want to be































Server to be in green color , and Client to be in Red































Server(green):Hi































Client(red):hello































Server(green):How you doin'































Client(red):Fine































.........































my second question is both of em' to have minutes and dates for example































27.05.2014 11:30pm Server(green):Hi































27.05.2014 11:31pmClient(red):hello































27.05.2014 11:32pmServer(green):How you doin'































27.05.2014 11:33pmClient(red):Fine