function _seek($row)
	{
	   $rs = $this->_queryID;
		// absoluteposition doesn't work -- my maths is wrong ?
		//	$rs->AbsolutePosition->$row-2;
		//	return true;
		if ($this->_currentRow > $row) return false;
		@$rs->Move((integer)$row - $this->_currentRow-1); //adBookmarkFirst
		return true;
	}