anchor.diff:  </div>
   
   <script type="text/javascript">
  +
  +function validateForm() {
  +	$('#btnNewRole').prop("disabled", !shouldEnable());
  +}
  +
  +function shouldEnable () {
  +	var val = $('#newRole').val ();
  +	if ( val == "" ) {
  +		return false;	
  +	}
  +	
  +	return true;
  +}
  +
  +validateForm ();
  +
   function addRole() {
       var val = $('#newRole').val ();
       
  
positive.code:     
      //clear entry box
      $('#newRole').val ( "" );
  }
  </script>
  
  
negative.code: <%@ page
    language="java"
    contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"
    trimDirectiveWhitespaces="true"
    %>
  
  <%@ page import="org.eclipse.packagedrone.sec.UserStorage"%>
  
  <%@ taglib tagdir="/WEB-INF/tags/main" prefix="h" %>
  <%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
  