code: function _fnBlur()
  	{
  		_fnRemoveFocus( _nOldFocus );
  		_iOldX = null;
  		_iOldY = null;
  		_nOldFocus = null;
  		_fnReleaseKeys();
  	}
docs: /*
  Function: _fnBlur
  Purpose:  Blur focus from the whole table
  Returns:  -
  Inputs:   -