2.2 1.1 Check taglib http://www.servletsuite.com/servlets/checktag Client side validation required com.cj.check.requiredTag JSP Describes mandatory field name true true minLength false true maxLength false true minValue false true maxValue false true integer false true numeric false true creditCard false true dateFormat false true selectionNotEquals false true checked false true regExp false true customFunction false true cond false true alert false true