function toggleEmail(evt) {
  evt = (evt) ? evt : event;
  var target = (evt.target) ? evt.target : evt.srcElement;
  var eBlock = document.getElementById("SectionEmail");
  var eAction = document.getElementById("ActionEmail");
  if (target.id == "showEmail") {
    eBlock.style.display = "block";
    eAction.style.display = "inline";
  }
  else {
    eBlock.style.display = "none";  
    eAction.style.display = "none";

    var sBlock = document.getElementById("SectionSchedule");
    var sCheck = document.getElementById("hideSchedule");
    var sAction = document.getElementById("ActionSchedule");
    sCheck.checked = "true";
    sBlock.style.display = "none";  
    sAction.style.display = "none";
  }
}