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Add Client-Side Validation

Add an onsubmit handler to userForm.jsp. This file is located in web/pages. Look for the "<LAB>" indicator in the file to see where you should add this.
```
onsubmit="return validateUserFormEx(this)"
```
Note: The form is named "UserFormEx" because I have a subclass of UserForm with this name. It has an indexed getter and setter for setting roles. In the regular appfuse project, the UserForm object is generated from a POJO.

Add the JavaScript necessary for enabling the Validator on the client. The placeholder for this code is at the bottom of userForm.jsp.

<html:javascript formName="userFormEx" cdata="false"
    dynamicJavascript="true" staticJavascript="false"/>
<script 
    src="<html:rewrite page="/scripts/validator.jsp"/>"
    type="text/javascript"></script>

Slide No: 5