Comment Validation Reloaded free WordPress plugin

Avoid those pesky blank page with an error message like “please fill out required fields” then loosing your/users comment info. This plugin aims to help by adding validation to the comment form. When a user submits the form and something is missing, an appropiate message is displayed and individual fields are highlighted. When the email or url is in an incorrect format, a message is displayed accordingly. Requires the user to have javascript activated. Why should you install it? Because you care for comments and want to help users reduce mistakes that hold them off from commenting at all. Whats the technology used? jQuery and the jQuery Validation plugin with a few customizations to make it fit into any WordPress theme.