var isNav4, isIE4;
	if (parseInt(navigator.appVersion) >= 4) 
	{
		isNav4 = (navigator.appName == "Netscape");
		isIE4 = (navigator.appName.indexOf("Microsoft") != -1);
	}
	
	var output = "";

  //  Figure out the web app name to use in the URL
  var szBaseURL = window.location.href;

  // Strip off "http://" part
  var nIdx = szBaseURL.indexOf("//", 0);
  if (nIdx != -1) {
    szBaseURL = szBaseURL.substr(nIdx+2);

    // Strip off server name part
    nIdx = szBaseURL.indexOf("/", 0);
    if (nIdx != -1) {
      szBaseURL = szBaseURL.substr(nIdx+1);

      // Save web app name and nothing else
      nIdx = szBaseURL.indexOf("/", 0);
      if (nIdx != -1)
        szBaseURL = szBaseURL.substr(0, nIdx);
    } else szBaseURL = "";
  } else szBaseURL = "";
	 	
	if(isIE4) {
		output += "<link rel='stylesheet' type='text/css' href='/"+szBaseURL+"/StyleSheets/IrthInternet.css'>";
	}
	else if(isNav4) {
		output += "<link rel='stylesheet' type='text/css' href='/"+szBaseURL+"/StyleSheets/IrthInternet.css'>";
	}
	document.write(output);