update_parameter(hObject)

function varargout = update_parameter(hObject)
% function varargout = update_parameter(hObject)
% Purpose    : Update user modified input data (via an edit box).
%              A structure array with fields data.str and data.tag must be 
%              pre-defined. Just insert call to edit#_Callback function
% Kadin Tseng, SCV, Boston University, 3/26/2009

data=getData;
tag = get(hObject, 'Tag');
a = strcmp(data.tag,tag);
[b,k] = max(a);
c = ['data.' eval(['data.str{' num2str(k) '};'])];
%data.numtrials = str2num(get(hObject,'String'))
eval([c ' = str2num(get(hObject, ''String''));']);
setData(data);