Many forms will require the user to enter an email address twice (to check for typographical errors). This script immediately notifies the user when the two fields match - it's a nice, user-friendly touch, and safe for all browsers.
Submit Once form validation is multi-platform compatible. Use this practical script to prevent users from abusing the submit button of your forms, by pressing it multiple times and causing multiple submissions.
This JavaScript function allows you to set the value of a select tag without having to know its position in the list. In the sample above, type in a letter of the alphabet and then click on the find button. In this particular case, the function call
Keep your visitors from submitting their form until their "password" and "re-enter password" fields match, for verification purposes. They get an error message telling them to re-enter the passwords if they do not match.
North America Chooser is multi-platform compatible. This is the North American version of Ken's Country Chooser It displays two select boxes, one for the country (Canada and United States), and one for the state/provinces. Simple to install, just cop
jsVal is a JavaScript program used for validating HTML Forms on the client side. This allows HTML forms to be validated in the browser without having to send a request to a sever (PHP, ASP, Perl...). jsVals saves you from having to write complicated
This function allows you to read form variables from static HTML. Combined with the document.write() method, you can actually add dynamic content to regular HTML. Given a choice, server side processing of form variables is preferable.
Check Email is a multi-platform compatible JavaScript that will validate an email address entered into a form. Works in any browser on any platform, including pre version 4's and Macs. Updated to allow the new .name and .info domain suffixes.
htaccess Login Box is a multi-platform compatible apache web server that has a very good password protection function built into the .htaccess file. This script allows users to log into a page which is protected by .htacess simply by entering their u
Form Validater is multi-platform compatible. A very simple but highly effective script to check if the user has entered the appropriate information in the correct text boxes. | 
