protected function getNeededCash():int
        {
            var loc1:*;
            loc1 = 0;
            var loc2:*;
            loc2 = 0;
            while (loc2 < m_neededText.length)
            {
                loc1 = loc1 + (int(m_neededText[loc2].amount) * m_materialCost);
                ++loc2;
            }
            return loc1;
        }