Sometimes you may need to make sure your visitors agree to specific terms before submitting their comments. This JavaScript will disable the input fields until they agree to your terms. Easily adaptable.

Add or change options on a form select menu. This JavaScript will also allow sub-group items, for additional selections.

Add or remove objects in a select list, using the DOM. This JavaScript was written to work with DOM Level 1 and DOM Level 2 capable browsers, with try/catch logic included for IE use.

Using a drop-down menu, this script will provide different values, depending on the user's selection. Easily added to any form.

Add a simple JavaScript menu to your site with this dropdown form. Easy to use and customize.

With this JavaScript your buttons can have up to four states: none, over, down, and up. This makes the button feel more real than a simple mouseover. In addition, the different button states are all part of the same background image.

This JavaScript allows one button to have two or more functions.

Tight on space? Use this JavaScript to create a compact form that is accessible and works even when JavaScript and CSS are turned off.

Customize Dropdown Menu is designed to display some choices, as: languages, countries, themes,... but it's differrent from original version in browsers. This tool combine CSS and JavaScript to create a dropdown you can add image to tilte, every choice.

Version 2: check if JavaScript is disabled, then add normal dropdown menu

Let's try dropdown below and feel differences.
Tested: IE 7, Opera 9, Firefox 2, Netscape 8.

Use this JavaScript to easily change the order of options in a select box. You can see the order change as it happens in the "New Order" box. (The input can be hidden and used to change the order on the server side.)