Avoid
Browser Detection Hassles
An article on the subject from Builder.com.
Better Browser
Detection
Teaches how to tailor a web site for any browser. This tutorial doesn't include
Internet Explorer 4.0, but it's self-explanatory how to add it.
Browser
Checking
How to determine whether your user is using Internet Explorer or Netscape, and
how to act accordingly.
Calendar
Pop-Up
A pop-up calendar to assist users in entering dates in forms. This has definately
got class.
Creating Interactive Alert,
Confirm, and Prompt Boxes
How to alert, confirm, and prompt your web site visitors.
Fun
With Plug-Ins
How to handle plug-ins almost transparently to the end-user.
Get a
Nifty Drop-Down Menu Effect
How to make a drop-down menu with Internet Explorer 4.0's Dynamic HTML.
History Tracker
Learn how to use objects and track history.
Requires Netscape 3.0+ or Internet Explorer 4.0+
How Do I
Create a Drop-Down List For Navigation?
Questions and Answers: How to create a navigation drop-down list.
I'll Have a Double Combo,
Please
Straightforward. Teaches you how to make a selection box into a navigation
component.
JCL's
Tutorial on JavaScript Alerts
How to make alert windows.
JCL's
Tutorial on JavaScript Confirms
How to make confirm boxes that let the user choose "OK" or "Cancel."
JCL's
Tutorial on JavaScript Prompts
How to make prompt boxes that let the user enter information.
Modifiable
Select Menus
A relational navigation menu. On the left, choose a general topic, and on the right,
quantify your selection on the left. Really neat.
Requires Netscape 2.0+ or Internet Explorer 4.0+
Netscape Menu Trees
How to make menu trees with Netscape's Document Object Model, from Netscape's DevEdge.
Simple Select
Menu
A simple way to make a drop-down navigation list.
The
Client is Always Right
How to optimize your page for the user's browser.
The Universal
Remote
How to make a remote window that will do just about anything to your default window.
Understanding Event Handlers
How to use onClick, onLoad, onMouseOver, onMouseOut, and onUnload. Also
includes a list of other event handlers.
Elsewhere on About.com 
