function showInfo(id) {
  wmtt = document.getElementById(id);
  wmtt.style.visibility = 'visible';
  wmtt.style.zIndex = 99999;
  if(con = document.getElementById('content-wrap')){
     con.style.opacity = '0.40';
  }
  if(box = document.getElementById('media-box')){
   box.style.opacity = '0.40';
  }
}
function hideInfo(id) {
  wmtt = document.getElementById(id);
  wmtt.style.visibility = 'hidden';
  wmtt.style.zIndex = 0;
  if(con = document.getElementById('content-wrap')){
   con.style.opacity = '1.0';
  }
  if(box = document.getElementById('media-box')){
   box.style.opacity = '1.0';
  }
}

/* function showInfo(elem) {
  document.getElementById(elem)style.visibility = 'visible';
}
function hideInfo(elem) {
  document.getElementById(elem)style.visibility = 'hidden';
} */