function swaptext(id) {
  var displayValue = document.getElementById(id).style.display;
  if(id === 'menu'){
    if (displayValue === 'none'){
      document.getElementById(id).style.display='block';
      document.getElementById(id).style.width='88%';
      document.getElementById(id).style.margin='auto';
      document.getElementById("text"+id).innerHTML = "";
    } else {
      document.getElementById(id).style.display='none';
      document.getElementById("text"+id).innerHTML = "Display SLOTH menu";
    }
  } else {
    if (displayValue === 'none'){
      document.getElementById("text"+id).innerHTML = "(Hide Image)";
      document.getElementById(id).style.display='initial';
    } else {
      document.getElementById("text"+id).innerHTML = "(Show Image)";
      document.getElementById(id).style.display='none';
    }
  }
}