string SystemMessageRichText(string message)
 {
     return("<color=#" + JiverTheme.ToHex(uiTheme.systemMessageColor) + ">" + message + "</color>");
 }
 string MessageRichText(Message message)
 {
     return("<color=#" + JiverTheme.ToHex(uiTheme.senderColor) + ">" + message.GetSenderName() + ": </color>" + message.GetMessage());
 }