private cmds getCommand(String arg){
		if (arg.trim().equalsIgnoreCase("DEPOSIT"))
			return cmds.DEPOSIT;
		else if (arg.trim().equalsIgnoreCase("WITHDRAW"))
			return cmds.WITHDRAW;
		else if (arg.trim().equalsIgnoreCase("GIVE"))
			return cmds.GIVE;
		else if (arg.trim().equalsIgnoreCase("SET"))
			return cmds.SET;
		else if (arg.trim().equalsIgnoreCase("WITHDRAW"))
			return cmds.SET;
		else if (arg.trim().equalsIgnoreCase("BALANCE"))
			return cmds.BALANCE;
		else if (arg.trim().equalsIgnoreCase("HELP"))
			return cmds.HELP;
		else if (arg.trim().equalsIgnoreCase("SEND"))
			return cmds.SEND;
		else if (arg.trim().equalsIgnoreCase("TOP"))
			return cmds.TOP;
		else return cmds.NULL;
	}