function changeDispOn1() {
  document.getElementById("overClockBox1").style.display = "block";
}
function changeDispOff1() {
  document.getElementById("overClockBox1").style.display = "none";
}
function changeDispOn2() {
  document.getElementById("overClockBox2").style.display = "block";
}
function changeDispOff2() {
  document.getElementById("overClockBox2").style.display = "none";
}