function folder = uigetfolder(title, initial_path)
% UIGETFOLDER   Standard Windows browse for folder dialog box.
%
%   folder = uigetfolder(title, initial_path)
%
%   Output: folder       = selected folder (empty string if dialog cancelled)
%   Inputs: title        = title string (OPTIONAL)
%           initial_path = initial path (OPTIONAL, defaults to PWD)
%
%   Examples:   folder = uigetfolder                          - default title and initial path
%               folder = uigetfolder('Select results folder') - default initial path
%               folder = uigetfolder([], 'C:\Program Files')  - default title
%
%   See also UIGETFILE, UIPUTFILE

% $Revision: 1.2 $

%-----------------------------------------------------------------------------------------------

if ~strcmp(computer, 'PCWIN')
   error_dialog_handle = errordlg(['The function ', upper(mfilename), ' only works on a MS-Windows PC'], ...
                                  mfilename, ...
                                  'modal');
   folder = '';
else
   if nargin < 2
      initial_path = pwd;
   end
   
   if nargin < 1 | isempty(title)
      title = 'Select a folder';
   end
   
   % Error checking
   if ~ischar(title)
      error('The title must be a string')
   end
   if ~ischar(initial_path)
      error('The initial path must be a string')
   end
   if ~exist(initial_path, 'dir')
      error(['The initial path: ', initial_path, ' does not exist!'])
   end
   
   folder = uigetfolder_win32(title, initial_path);

end
%-----------------------------------------------------------------------------------------------