var scriptsOn = false;

function showDetails(url)
{
  return !window.open(url, "_blank", "width=400,height=530,menubar=yes,resizable=yes,scrollbars=yes,left=40,top=60")
}

function showPhoto(url)
{
  window.open(url, "_blank", "width=740,height=550,menubar=yes,resizable=yes,scrollbars=yes,left=30,top=30")
}

if (((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 3)) ||
   ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4))) scriptsOn = true;

function AddButton(bname, state)
{
  if (scriptsOn) if (!state)
  {
    eval ("b" + bname + "On = new Image()");
    eval ("b" + bname + "On.src = \"images/" + bname + "on.gif\"");
    eval ("b" + bname + "Off = new Image()");
    eval ("b" + bname + "Off.src = \"images/" + bname + "off.gif\"");
  } else
  {
    eval ("b" + bname + "On = new Image()");
    eval ("b" + bname + "On.src = \"images/" + bname + "off.gif\"");
    eval ("b" + bname + "Off = new Image()");
    eval ("b" + bname + "Off.src = \"images/" + bname + "on.gif\"");
  }  
}

function TurnOn(bname)
{
  if (scriptsOn) eval ("document.b" + bname + ".src = b" + bname + "On.src");
}

function TurnOff(bname)
{
    if (scriptsOn) eval ("document.b" + bname + ".src = b" + bname + "Off.src");
}