Learn how to script
There are lots of scripting languages out there. Determine which one is right for you!
ASP
ASP (Active Server Pages) is a server-side technology that allows you to design web pages that are not affected by the browser you use.
PHP
PHP is a popular opensource scripting language that is works especially well for website development because it can be embedded into HTML code
JavaScript
JavaScript is a scripting/programming language which allows the programmer to implement complex and dynamic things in a web page.