Designing with JavaScript CD Code

<HTML>
<HEAD>
<SCRIPT LANGUAGE = "JavaScript">
<!--
bName = navigator.appName;
bVer = parseInt(navigator.appVersion);

if      (bName == "Netscape" && bVer >= 4) br = "n4";
else if (bName == "Netscape" && bVer == 3) br = "n3";
else if (bName == "Microsoft Internet Explorer" && bVer >= 4) br = "e4";
else if (bName == "Microsoft Internet Explorer") br = "e3";
else br = "n2";

// Frame for IE 4 with Dynamic HTML.
if (br == "e4") {
document.write('<FRAMESET ROWS = "100%, *" FRAMEBORDER = NO BORDER = 0>');
document.write('<FRAME SRC = "index_dynamichtml.htm" SCROLLING = AUTO>');
document.write('</FRAMESET>');
}

// Frame for every other browser.
else { 
document.write('<FRAMESET ROWS = "100%, *" FRAMEBORDER = NO BORDER = 0>');
document.write('<FRAME SRC = "index_nodynamichtml.html" SCROLLING = AUTO>');
document.write('</FRAMESET>');
}

// -->
</SCRIPT>
<BODY BGCOLOR = "#FFFFFF">
This page is what non-JavaScript enabled browsers see.
</BODY>
</html>