As others have in the past, you'll find that Dreamweaver talks a different language in it's creating content.

Unless you are better than most of us at controlling this, Dreamweaver is NOT recommended for any use with Zen Cart.

For those of you who want to see the worst in hidden code; open Word, type in "Hello World" without the quotes, save it as hello.html and open it with notepad. No better example of how the wrong text generator can really mess up your day.