function activateRange() {
 if (document.getElementById('tx_list_pi1_cat22').checked) {
  document.getElementById('timerangeAdvanced').style.display='block';
   document.getElementById('tx_list_pi1_cat3B0').disabled=false;
   document.getElementById('tx_list_pi1_cat3Y0').disabled=false;
   document.getElementById('tx_list_pi1_cat3B1').disabled=false;
   document.getElementById('tx_list_pi1_cat3Y1').disabled=false;
 }
}

function deactivateRange() {
 if (!document.getElementById('tx_list_pi1_cat22').checked) {
  document.getElementById('timerangeAdvanced').style.display='none';
  document.getElementById('tx_list_pi1_cat3B0').disabled=true;
  document.getElementById('tx_list_pi1_cat3B0').value='';
  document.getElementById('tx_list_pi1_cat3Y0').disabled=true;
  document.getElementById('tx_list_pi1_cat3Y0').value='';
  document.getElementById('tx_list_pi1_cat3B1').disabled=true;
  document.getElementById('tx_list_pi1_cat3B1').value='';
  document.getElementById('tx_list_pi1_cat3Y1').disabled=true;
  document.getElementById('tx_list_pi1_cat3Y1').value='';
 }
}