bVersionowser = navigator.appName;
  version = navigator.appVersion;
  os = navigator.platform;
  ie = "Microsoft Internet Explorer";
  nn = "Netscape";

  if (bVersionowser == nn) {
    if (os == "MacPPC") {
  	  document.write('<link href="http://www.jefferson.edu/main/scripts/standard.css" rel="stylesheet" type="text/css" title="master">');
	}
	if (version.charAt(0) > 4) {
	  document.write('<link href="http://www.jefferson.edu/main/scripts/standard.css" rel="stylesheet" type="text/css" title="master">');
	}
	else {
	  document.write('<link href="http://www.jefferson.edu/main/scripts/netscape.css" rel="stylesheet" type="text/css" title="master">');
  	}
  }
  else {
    document.write('<link href="http://www.jefferson.edu/main/scripts/standard.css" rel="stylesheet" type="text/css" title="master">');
  }

var bVersion
if(navigator.appName == 'Netscape') {
	if(document.layers) {bVersion="N"}
	else if(document.getElementById) {bVersion="NS6"}
} else{bVersion="IE";}