Browser redirection

I am trying to implement a new navigation menu on a web site.
Because NS4 renders fonts 1pt smaller than IE, I am using some browser detection to call the appropriate menu.js file.

Here’s the relevent code so far (no lines wrap despite what you may see here):

<script language=”JavaScript1.2″>
<!–

var browser_type = navigator.appName;
var browser_version = parseInt(navigator.appVersion);

//if NS 6+
if (browser_type == “Netscape” && browser_version >= 5) {
document.write(“<script type=’text/javascript’ language=’JavaScript1.2′ src=’menu.js’></script>”);
}
//if IE 4+
else if (browser_type == “Microsoft Internet Explorer” && browser_version >= 4) {
document.write(“<script type=’text/javascript’ language=’JavaScript1.2′ src=’menu-ie.js’></script>”);
}
//if NS 4+
else if (browser_type == “Netscape” && browser_version == 4) {
document.write(“<script type=’text/javascript’ language=’JavaScript1.2′ src=’menu-nn.js’></script>”);
}
// –>
</script>

IE seems happy with this, but NS is choking.
NS7 will display the entire page EXCEPT for the menu.
NS4 just chokes and has to be killed off.

I’ve discovered some interesting things:

I’ve tried so many things, like additional escapes (), translating angle brakets to &lt; and &gt; , splitting lines, you name it. Something is very wrong here. Can someone help me out?

The entire page can be found at [url]http://www.symark.com/testnav.htm[/url]

Thanks in advance.

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