function hidediv() {
  if (document.getElementById) { // DOM3 = IE5, NS6
    document.getElementById('hideShow').style.display = 'none';
    document.getElementById('hideShow').style.visibility = 'hidden';
  }
  else {
    if (document.layers) { // Netscape 4
      document.hideShow.display = 'none';
      document.hideShow.visibility = 'hidden';
    }
    else { // IE 4
      document.all.hideShow.style.display = 'none';
      document.all.hideShow.style.visibility = 'hidden';
    }
  }
}

function showdiv() {
    if (document.getElementById) { // DOM3 = IE5, NS6
    document.getElementById('hideShow').style.display = 'block';
    document.getElementById('hideShow').style.visibility = 'visible';
  }
  else {
    if (document.layers) { // Netscape 4
      document.hideShow.display = 'block';
      document.hideShow.visibility = 'visible';
    }
    else { // IE 4
      document.all.hideShow.style.display = 'block';
      document.all.hideShow.style.visibility = 'visible';
   }
}
}