Use this JavaScript for form validation using regular expressions. None of the information submitted in the form is saved. Very extensive.

When a user moves the mouse over the button, it will change text. When the mouse is moved away, the text will change back. Perfect for adding short instructions on a submit button.

Prevent a selected option text or value from being chosen in another select box.

This JavaScript validates the entered value to see if it conforms to the ICD-10 format. (It does not check whether the code exists in the ICD-10 WHO library.)

This JavaScript adds to any HTML table a grid enabling users to perform multi-criteria searches. This feature can be useful with tables containing large quantities of data.

Highlight text inputs in your forms. Make it easy for your visitors to see where they are.

A simple international country and state drop down list that automatically repopulates the state section based on the country selected without page refreshes. Select a country and the country's states or provinces are listed on the right. If the country doesn't have any states or provines configured, a text box is displayed.

Copy the shipping address fields to the billing address using a checkbox. Simple and easy to implement!

The first dropdown box selects the category; the second is a sub-category of the first. Compact and easy to use.

This JavaScript allows for the selection of multiple checkboxes in a form. It create the buttons dynamically with unobtrusive JavaScript.