In this tutorial I provide a sample travel booking from with JavaScript code to turn it interactive. It means that the response to your actions is immediate - there is no need to submit the form. This script could be further extended to fetch up-to-date prices from the server using Ajax queries. Additionally, I created a general purpose jQuery plug-in that helps creating this kind of forms with rule-based pricing.
Theming Drupal comment forms is like theming web forms, except for one trick: it requires you to add your template to Drupal theme registry. Continue reading to see how.
Designing complex but user friendly forms is challenging - let it be paper forms or online forms. Drupal offer a bunch of tools for building online forms. But in order to make them really usable you'll need to prepare the form layout using templates. Continue reading to find out how I built some stylish forms.