function helpbrowser(topic)
% Copyright 2009 The MathWorks, Inc.

msg = '';
if nargin == 1 && ~isempty(topic)
    msg = ['Help for ''' topic ''' unavailable.']; 
end

warndlg(sprintf(...
    ['The HELPBROWSER command cannot be used in compiled applications.'...
     ' For help please visit the MathWorks web site at ' ...
     'www.mathworks.com.\n\n%s'], msg), ...
        'Compiler: HELPBROWSER command unavailable');
