How could I use CGI to hide my javascript code?

Plankton has asked for the wisdom of the Perl Monks concerning the following question:

Dear Wise Monks,

I search the internet for a solution to the question, "How do I hide my javascript code?". The only suitable solution I have so far is to use PHP like so:

Create an html file containing:

<?php session_start();

$_SESSION['js'] = true;

?>

<html>
<head>

<script type="text/javascript" src="javascript.php"></script>
<title>Untitled Document</title>
</head>
</html>
[download]

And have the javascript.php file that looks like this ...

<?php session_start(); if($_SESSION['js'] == true){ ?>

document.write("Hello World!");

<?php } $_SESSION['js'] = false; ?>
[download]

I pretty sure the same thing can be done Perl also either via CGI or mod_perl. Has anyone done this? If so could please share your solution with me? I really don't want to hassle with installing PHP.

Thanks!

Update: I went ahead and installed PHP and this PHP code does not work :(

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