function [handles] = check_nesthd1(handles)

% check_nesthd1 : checks if all information for nesthd1 is present

if ~isempty(handles.files_hd1{1}) && ~isempty(handles.files_hd1{2})  && ...
   ~isempty(handles.files_hd1{3}) && ~isempty(handles.files_hd1{4})  && ...
   ~isempty(handles.files_hd1{5})
   handles.run_nesthd1_onoff = 'on';
end
