Enclosing all the elements of a web page within a fixed size table allows for greater control of text and images.This page uses the simplest means of navigation, a link back to a main page.

* Most web authoring softwares allows you to create headers and footers as library elements. Dreamweaver for example, automatically updates all the pages and links when changes are made to the library contents.

To learn more about libraries see : Dreamweaver