rendered paste body <h:form> <t:inputText id="foo" forceId="true"/> <ls:clientSideValidator for="foo" messageElement="errorDiv" event="onkeyup" elementToDisable="testButton" id="blahadator" messageIfValid="Yay! All set"> <ls:javascriptValidator functionName="checkLength" additionalParameters="4, 20" messageIfFalse="Name must be 4 to 20 charecters."/> <ls:javascriptValidator functionName="checkWithRegex" additionalParameters="/^[a-zA-Z0-9\s]+$/" messageIfFalse="Name must be alphanumeric."/> </ls:clientSideValidator> <div id="errorDiv"/> <t:commandButton id="testButton" forceId="true"/> </h:form>