anchor.diff:  
   --%>
   <%@page contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
  -
  -<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
  -        "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
  +<%@page import="com.silverpeas.util.StringUtil"%>
   <%@ include file="headLog.jsp" %>
   
   <%
   ResourceLocator authenticationBundle = new ResourceLocator("com.silverpeas.authentication.multilang.authentication", "");
   
   String errorCode = request.getParameter("ErrorCode");
  -if (errorCode == null || errorCode.equals("null"))
  +if (!StringUtil.isDefined(errorCode)) {
   	errorCode = "";
  +}
   
   String domainId = null;
   if(com.silverpeas.util.StringUtil.isInteger(request.getParameter("DomainId"))) {
  
positive.code: }
  %>
  
  <html xmlns="http://www.w3.org/1999/xhtml">
  <head>
  <title><%=generalMultilang.getString("GML.popupTitle")%></title>
  
negative.code: 			if (nbCookiesFound==2)
  			{
  				document.getElementById("EDform").cryptedPassword.value = "Yes";
  				<% if (!StringUtil.isDefined(request.getParameter("logout")) && authenticationSettings.getBoolean("autoSubmit", false)) { %>
  					document.getElementById("EDform").submit();
  				<% } %>
  			}
  