Valideasy is a jQuery plugin that you can use in form validation without writing complex JS script. Everything's done via HTML attributes added to your form fields. And it is is compatible with all modern browsers, starting from IE7. This plugins also allows you to easily customize the validation error message.
You may also like:
- 15+ Useful jQuery Validation Plugins
- All kind of Client Side Validation using jQuery
- How to validate all countries phone numbers using jQuery
Feel free to contact me for any help related to jQuery, I will gladly help you.