function openshiftdlg(h)

%% Show the (singleton) selection dialog

dlg = tsguis.shiftdlg(h.Parent);
dlg.Visible = 'on';
% 
% persistent dlg;
% 
% %% If necessary build the shift dialog
% if isempty(dlg) || ~ishandle(dlg) || isempty(dlg.Figure) || ...
%         ~ishandle(dlg.Figure)
%     dlg = tsguis.shiftdlg;
%     %% Target the dialog and show it
%     set(dlg,'Viewnode',h.Parent);
%     dlg.initialize
%     centerfig(dlg.Figure,0);
% end
% 
% %% Target the dialog and show it
% dlg.ViewNode = h.Parent;
% dlg.Visible = 'on';
% figure(double(dlg.Figure))
%