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