http://www.kemendagri.go.id/js/libs/prototype/validation/1.5.4.1/validation.js
http://crankyape.com/javascripts/validation.js
http://www.groupe-esa.com/jsp/scripts/validation.js
http://cornerstonestaffing.com/js/validation.js
http://publicsf.com/wp/wp-content/themes/pwten/js/validation.js?ver=1
http://bmf1.dk/static/javascripts/validation.js
http://www.divernet.com/js/defaulta/validation.js