jquery form validation

jquery form validation
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http://www.position-relative.net/creation/formValidator/

https://github.com/posabsolute/jQuery-Validation-Engine

http://code.google.com/p/form-validation-engine/downloads/list

http://www.position-absolute.com/articles/jquery-form-validator-because-form-validation-is-a-mess/

http://posabsolute.github.io/jQuery-Validation-Engine/