void Container::SetVisibility(bool fToValue)
	{
		// inherited
		Element::SetVisibility(fToValue);
		// remove focus from contained elements
		if (!fToValue)
		{
			Dialog *pDlg = GetDlg();
			if (pDlg)
			{
				Control *pFocus = pDlg->GetFocus();
				if (pFocus)
				{
					if (IsParentOf(pFocus))
					{
						pDlg->SetFocus(NULL, false);
					}
				}
			}
		}
	}