function SetChildStatus() {
  var frm = document.forms["frmListCentres"];
  if (frm.elements["chkAllStateSchools"].checked) {
    frm.elements["chkPrimary"].checked = false;
    frm.elements["chkPriPreSchools"].checked = false;
    frm.elements["chkSecondary"].checked = false;
    frm.elements["chkSpecial"].checked = false;
    frm.elements["chkDistanceEd"].checked = false;
  }
   return true;
}

function SetParentStatus() {
  var frm = document.forms["frmListCentres"];
  if (frm.elements["chkAllStateSchools"].checked) {
    frm.elements["chkAllStateSchools"].checked = false;
   }
   return true;
}