You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: ProgMsg.m
    path of file: ./repos/bspm/thirdparty/brainwavelet_v1.1_fMRI_OSX/BWT
    
    the code of the file until where you have to start completion: function [] = ProgMsg(pos,Nout)

    
function [] = ProgMsg(pos,Nout)
%                  
% FUNCTION:     ProMsg -- Shows progress messages.
%                
% USAGE:        ProgMsg(message)
%
% Inputs:       pos    -- ID of Progress message to be displayed.
%               Nout   -- Number of output args.
%
% AUTHOR:       Ameera X Patel
% CREATED:      10-01-2014
%   
% CREATED IN:   MATLAB 7.13
%
% REVISION:     3
%
% COPYRIGHT:    Ameera X Patel (2013, 2014), University of Cambridge
%
% TOOLBOX:      BrainWavelet Toolbox v1.1

% ID: ProgMsg.m 3 30-01-2014 BWTv1.1 axpatel


%% check number of inputs

fname=mfilename;
if nargin<1
    help(fname); return
end