Templates aren't just useful for building pages rapidly; they also make quick work of site updates. Pages created from templates maintain a link to the original template file; you can automatically pass changes to a template along to every page built from it. If you used templates to build your site, you probably won't cry on your keyboard when the boss says you must add an additional button and link to the navigation bar. Instead of editing every page, you can simply open the template file, update the navigation bar, and let Dreamweaver apply the update to all the pages.
You update a template (and all the pages based on it) like this:
Choose Window → Assets.
The Assets panel appears.
Click the Templates button (see Figure 17-4).
A list of the site's templates appears.
Double-click the template's name to open it.
Alternatively, you can select the template in the Assets panel, and then click the Edit button to open the original template (.dwt) file (see Figure 17-4).
The template opens.
You can also open a template by double-clicking the appropriate template (.dwt) file located in the Templates folder in the Files panel.
Edit the template as you would any Web page.
Since this is the original template file, you can edit any of the HTML in the document, including Cascading Style Sheets, meta tags, and layers. You can also add or remove editable regions (see Section 17.3).
Take care, however, to edit only the areas that you did not mark as editable regions. The reason: ...