anchor.diff:      <c:set var="aboutHref">
         <c:out value="${aboutHref}" escapeXml="true"/>
       </c:set>
  -  
  +     
       <li class="border"><a href="${aboutHref}" title="more about this web site">About</a></li>
  -    <li><a href='<c:url value="/comments"><c:param name="home" value="${currentPortal}"/></c:url>'>Contact Us</a></li>
  +    
  +    <c:if test="${contactMailSetup}" >
  +    	<li><a href='<c:url value="/comments"><c:param name="home" value="${currentPortal}"/></c:url>'>Contact Us</a></li>
  +    </c:if>
     </ul>
   
   </div><!-- end identity -->
  
positive.code: 
  <%@ taglib uri="http://java.sun.com/jstl/core" prefix="c" %>
  
  <jsp:useBean id="loginHandler" class="edu.cornell.mannlib.vedit.beans.LoginFormBean" scope="session" />
  
  <%
      /**
  
negative.code:       }
        String fixedTabStr=(fixedTabStr=request.getParameter("fixed"))==null?null:fixedTabStr.equals("")?null:fixedTabStr;
  
        
  %>
  
  <c:set var='context' value="<%=vreq.getContextPath()%>" />
  <c:set var='themePath'>
    <c:if test="${!empty context && context != ''}">/${context}</c:if>/<%=portal.getThemeDir()%>
  </c:set>
  <c:set var='themeDir'><c:out value='${themePath}' default='/themes/vivo-basic/' /></c:set>
  <c:set var="currentPortal" value="<%=portal.getPortalId()%>"/>
  <c:set var="contactMailSetup" value="<%= ContactMailServlet.getSmtpHostFromProperties() != null %>"/>
  
  <%
  String homeURL = (portal.getRootBreadCrumbURL()!=null && portal.getRootBreadCrumbURL().length()>0) ?
  