Someone

<ls:clientSideValidatedInput 
		idOfMessageElement="nameErrorDiv"
		validatesOn="keyup"
		elementsToDisable="submitGeneralButton">

	<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:javascriptValidator	
			value="#{pcwBacker.checkExistantNamesFunction}"
			functionName="checkExistantNames"
			messageIfFalse="Name already in use."/>
	
</ls:clientSideValidatedInput>