*groan* you forgot to add a *best* requirement :) shotgun

Re: changing title of a webpage dynamically (javascript), json return value http://stackoverflow.com/questions/7358856/mojoliciouslite-jquery-autocomplete-question, Using JQuery and AJAX in Mojolicious,

Re: Perl CGI multiple buttons (http/ajax)

If you wan't to load another page, you have to use javascript (ajax)

so you need to know about DOM (html) and ajax(javascript+http)

These might help
http://search.cpan.org/dist/CGI-Ajax/MANIFEST
http://www.cgi-app.org/index.cgi?AjaxInfo
Using Ajax from Perl - Perl.com
http://stackoverflow.com/questions/6176341/ajax-applications-with-perl-backend-how-to
Using JQuery and AJAX in Mojolicious
Using JQuery and AJAX in Mojolicious
https://github.com/yko/mojolicious-example-ajax
on trying to debug javascript through perlmonks
Firebug
http://api.jquery.com/
learn about the internet,Web Programming: For Beginners, to get an overall picture of how the internet works, how tcp/ip, sockets, html, ajax, all fit together.
An AJAX CRUD Interface with Catalyst and jQuery
http://thedailywtf.com/Articles/Ajax-in-the-Underworld.aspx

I really liked the video

Re: Menu creation  [metacpan://dynamic menu], [metacpan://html menu] -> dynamic menu, html menu ->

• WWW::MenuGrinder - A tool for managing dynamic website menus - base class.

• HTML::YUI3::Menu - Convert a Tree::DAG_Node object into the HTML and JS for a YUI3 menu

• HTML::Menu::TreeView - Create a HTML TreeView from scratch
• HTML::Template::Menu - ease menu items for quick web user interface
• HTML::Menu::Hierarchical - HTML Hierarchical Menu Generator
• HTML::Widgets::NavMenu - A Perl Module for Generating HTML Navigation Menus
• JQuery::ClickMenu - A clickable menu
• Javascript::Menu - a NumberedTree that generates HTML and Javascript code for a menu.
• Jifty::Web::Menu - Handle the API for menu navigation

Oy vey, Very simple login using Perl, jQuery, Ajax, JSON and MySQL

Re: exmples of Catalyst::Controller::HTML::FormFu

http://www.codecademy.com/tracks/jquery