szrNavigation->Add( 0, 0, 1, wxEXPAND, 5 );
szrNavigation->Add(DateButton, 0, wxALL|wxALIGN_CENTER_VERTICAL, 5 );
szrNavigation->Add( 0, 0, 1, wxEXPAND, 5 );
szrNavigation->Add( 0, 0, 1, wxEXPAND, 5 );
szrNavigation->Add(DateButton, 0, wxALL|wxALIGN_CENTER_VERTICAL, 5 );
szrNavigation->Add( 0, 0, 1, wxEXPAND, 5 );