JavaScript will only let you enter your name in this form if you indicate you agree to the terms by first clicking the I Agree radio button. If you agree, you can enter your name. But, if you disagree, you will not be able to enter or edit your name. When you disagree, the box is 'locked.' Useful if you require your visitors to accept a disclaimer before downloading software or visiting a section of your members-only site.

This JavaScript places the cursor in the first field of a form when the page loads and when the form is reset or cleared. The script works with input types: text, textarea, radio, checkbox, JavaScript password and Select drop-down boxes.

A simple and small script to place focus on any form element you want when a page loads.

Opens an explanation window to explain the various fields used in a form on your site when the help JavaScript link is clicked. You can easily explain various form fields will be used on your site, what type of input is required, or any other information you wish to share. They may also type their entry in the popup window and it will be copied into the form. Great!

Automatically expands the size of a textbox to fit all of the entered text. Internet Explorer Only.

Form users can move to next text field by pressing the enter key.

(Internet Explorer 5+ and Netscape 6+ Only) Enter information into this dynamic table and see the power of W3C-DOM compatible browsers. Absolutely Amazing!

(Internet Explorer Only) Offer a form with as many input boxes that the user selects. After entering the number of boxes, the form is dynamically updated while the rest of the form remains untouched.

Here's a simple form that contains a check box and a text box. Unless the check box is activated, you won't be able to enter anything into the text box.

Allows the user to enter their name in the first field and have copies it to the second field for use as the User ID. It occurs instantly when they click the next field or the submit button. And, if the user tries to modify the second field, it is changed back to the value of the name field. Definitely a good example of the onChange() event handler in use.