//detect the browser
function getBrowser()  // get the browser program name
  {
  if (navigator.appName == null || navigator.appName == "")
    return "other";
  else if (navigator.appName == "Netscape")
    return "netscape";
  else if (navigator.appName == "Microsoft Internet Explorer")
    return "ie";
  else
    return "other";
  }
//detect the platform
function getPlatform() // get the browser platform (OS)
  {
  if (navigator.platform == null || navigator.platform == "")
    return "other";
  else if (navigator.platform.indexOf("Mac") >= 0)
    return "mac";
  else if (navigator.platform.indexOf("Win") >= 0)
    return "win";
  else if (navigator.platform.indexOf("Unix") >= 0)
    return "unix";
  else
    return "other";
  }

//Select appropriate stylesheet  
styleurl='<link rel="stylesheet" href="http://hosted.ap.org/specials/stylesheets/';
if (getPlatform() == "mac")
    styleurl += "m_";
if (getPlatform() == "win")
    styleurl += "w_";
if (getBrowser() == "netscape") 
{
    styleurl +=  "nn_";
    if (navigator.appVersion.indexOf('4') == 0)
       styleurl += "4_" ;
}
if (getBrowser() == "ie")
    styleurl += "ie_" ;
styleurl += 'style.css" type="text/css">'
//alert (styleurl);

document.write(styleurl);