function show( id ) {
  document.getElementById(id).style.display = 'block';
  document.getElementById(id).style.visibility = 'visible';
}
function showInline( id ) {
  document.getElementById(id).style.display = 'inline';
  document.getElementById(id).style.visibility = 'visible';
}
function hide( id ) {
  document.getElementById(id).style.display = 'none';
  document.getElementById(id).style.visibility = 'hidden';
}
function dispSwitch( id ) {
  if ((document.getElementById(id).style.display == 'none') || (document.getElementById(id).style.visibility == 'hidden')) {
    show(id);
  } else {
    hide(id);
  }
}
function dispSwitchInline( id ) {
  if ((document.getElementById(id).style.display == 'none') || (document.getElementById(id).style.visibility == 'hidden')) {
    showInline(id);
  } else {
    hide(id);
  }
}