else if (ie.getSource() == m_chYear || ie.getSource() == m_chType) {
else if (ie.getSource() == m_chWeightClass || ie.getSource() == m_chType) {
    public void itemStateChanged(ItemEvent ie)    {        if (ie.getSource() == m_chSort) {            sortMechs();        }        else if (ie.getSource() == m_chYear || ie.getSource() == m_chType) {            filterMechs();        }    }