function myFunction() {
  var x = document.getElementById("myDIV");
  if (x.style.display === "none") {
    x.style.display = "block";
} else {
    x.style.display = "none";
}
}

function toggleHome(el) {
  var elId = $(el).attr('id');
  var section = elId.split('_');
  var num = section[1];
  var content = "homeImageCont_"+num;
  var x = document.getElementById(content);
  if (x.style.display === "none") {
    x.style.display = "block";
} else {
    x.style.display = "none";
}
}