You can't Edit your html? I assume that means the page is on your hard drive. Just open notepad or wordpad and open the html file.
If you use frontpage etc, then open frontpage and then File->Open... your html file!
Once you get there, just delete the javascript. If you're thinking about password-protecting your page with JavaScript, think again!! You'll need a server side scripting language. (Like PHP)
Also, this is a PHP message board not JavaScript or HTML, so don't post questions like that here.
I hope this helps!