function loadButtons()
{
  document.getElementById("showyears").checked = "checked";
  var buttons = document.getElementById("buttons");
  buttons.innerHTML = "";
  if ("Microsoft Internet Explorer" == navigator.appName)
  {
    buttons.innerHTML = "<table><tr><td><div id=\"mainButtonBar\"></div><br /></td><td><div id=\"cursorTrack\"></div></td><td><div id=\"scaleText\"></div></td></tr></table>\n";
  }
  else
  {
    buttons.innerHTML += "<div id=\"mainButtonBar\"></div>\n";
    buttons.innerHTML += "<div id=\"cursorTrack\" style=\"margin-left: 255px;height: 0px;\"></div>\n";
    buttons.innerHTML += "<div id=\"scaleText\" style=\"margin-left: 450px;\"></div>\n";
  }
}