browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);

if (browserName == "Netscape" && browserVer >= 3 || browserName == "Microsoft Internet Explorer" && browserVer>=4) version = "n3";
else version = "x";

{

  var  power_off = new Image();
  power_off.src = "images/power_off.gif";
  var power_on = new Image();
  power_on.src = "images/power_on.gif";
  
  var  air_off = new Image();
  air_off.src = "images/air_off.gif";
  var air_on = new Image();
  air_on.src = "images/air_on.gif";
  
  var  network_off = new Image();
  network_off.src = "images/network_off.gif";
  var network_on = new Image();
  network_on.src = "images/network_on.gif";

  var  monitoring_off = new Image();
  monitoring_off.src = "images/monitoring_off.gif";
  var monitoring_on = new Image();
  monitoring_on.src = "images/monitoring_on.gif";

  var  density_off = new Image();
  density_off.src = "images/density_off.gif";
  var density_on = new Image();
  density_on.src = "images/density_on.gif";
}

function act(imgName)
{
if (version == "n3")
{
imgOn = eval(imgName + "_on.src");
document [imgName].src = imgOn;
}
}

function inact(imgName)
{
if (version == "n3")
{
imgOff = eval(imgName + "_off.src");
document [imgName].src = imgOff;
}
}

function subWin(url,width,height)
{
	remote = window.open("","popup","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width="+width+",height="+height);
	remote.location.href = url;
}