var oldEl="z";

function showHomeHover(x) {
  if (oldEl=="z") {
    domEl="hover-home-" + x;
    document.getElementById(domEl).style.display="block";
    oldEl=domEl;    
  }
  else {
    domEl="hover-home-" + x;
    document.getElementById(oldEl).style.display="none";
    document.getElementById(domEl).style.display="block";
    oldEl=domEl;
    
  }

}

function showHover(x) {
    domEl="hover-" + x;
    document.getElementById(domEl).style.display="block";
}

function hideHover(x) {
  domEl="hover-" + x;
  document.getElementById(domEl).style.display="none"; 
}