Your next project is to specify which parts of your template are locked, and which are editable. By default, everything on a page is locked. After all, the main reason to use templates is to maintain a consistent, unchanging design and structure between pages. To make a template usable, you must define the area or areas you can change.
To add an editable region to a template, start by selecting the part of the page you want to be able to change. You can incorporate anything in the document window (any HTML between the <body> tags).
Drag across your page to select the elements you wish to make editable, or, for greater precision, you can use the tag selector (page 19) to make sure you select the exact HTML you want.
Now tell Dreamweaver that the selected elements are to be editable. You can use any of these techniques:
Click the Editable Region button in the Templates tab of the Insert bar (see Figure 18-2).
Choose Insert→Template Objects→Editable Region..
Press Ctrl+Alt+V (Option--V).
Right-click (Control-click) the selection and choose Templates ...