Exercise 02-3
		The Birth of Your Web Site
				There are 7 files in the folder FrontPage: 1. content-human.htm 2. content-mouse.htm 3. content-rat.htm 4. content-chicken.htm 5. content-pufferfish.htm 6. content-zebrafish.htm 7.　 heading.htm 8.　 index.htm 9.　 main.htm