HTML Forms

1. How do I use forms?
2. How do I get form data emailed to me?
3. How can I use tables to structure forms?
4. How can I eliminate the extra space after a tag?
5. How do I make a form so it can be submitted by hitting ENTER?
6. How do I set the focus to the first form field?
7. How can I make a form with custom buttons?
8. Can I have two or more Submit buttons in the same form?
9. Can I have two or more actions in the same form?
10. How can I require that fields be filled in, or filled in correctly?
11. Can I prevent a form from being submitted again?
12. How can I allow file uploads to my web site?
13. How can I use forms for pull-down navigation menus?

source