anchor.diff:  				</a>
   					<ul class="dropdown-menu" role="menu">
   						<li><a href="<spring:url value="/avisos"/>" role="button">
  -								<span class="glyphicon glyphicon-info-sign"></span> Visor anuncios
  +								<span class="glyphicon glyphicon-info-sign"></span> Visor
  +								anuncios
   						</a></li>
   						<li class="divider"></li>
   						<li class="dropdown-header">Accesos directos</li>
  -						<li><a
  -							href="<spring:url value="/avisos/nuevo"></spring:url>">
  -								<span class="glyphicon glyphicon-plus"></span> Crear nuevo anuncio
  +						<li><a href="<spring:url value="/avisos/nuevo"></spring:url>">
  +								<span class="glyphicon glyphicon-plus"></span> Crear nuevo
  +								anuncio
   						</a></li>
   					</ul></li>
  -				<li><a href="#">Sección1</a></li>
  +				<li class="dropdown"><a href="#" class="dropdown-toggle"
  +					data-toggle="dropdown" role="button" aria-expanded="false">Espacios
  +						<span class="caret"></span>
  +				</a>
  +					<ul class="dropdown-menu" role="menu">
  +						<li class="dropdown-header">Espacios</li>
  +						<li><a href="<spring:url value="/espacios/"/>" role="button">
  +								<span class="glyphicon glyphicon-info-sign"></span> Visor
  +								espacios
  +						</a></li>
  +						<li><a href="<spring:url value="/espacios/nuevo"/>" role="button">
  +								<span class="glyphicon glyphicon-plus"></span> Crear
  +								espacio
  +						</a></li>
  +						<li class="divider"></li>
  +						<li class="dropdown-header">Reservas</li>
  +						<li><a href="<spring:url value="/reservas"/>" role="button">
  +								<span class="glyphicon glyphicon-info-sign"></span> Visor
  +								reservas
  +						<li><a href="<spring:url value="/reservas/nuevo"></spring:url>">
  +								<span class="glyphicon glyphicon-plus"></span> Crear reserva
  +						</a></li>
  +					</ul></li>
   				<li><a href="#">Sección2</a></li>
   
   			</ul>
   			<ul class="nav navbar-nav navbar-right">
  -				<li><a href="#"><spring:message code="nav.signin"/></a></li>
  -				<li><a href="#"><spring:message code="nav.signup"/></a></li>
  +				<li><a href="#"><spring:message code="nav.signin" /></a></li>
  +				<li><a href="#"><spring:message code="nav.signup" /></a></li>
   				<li class="active">
  -				<form action="<spring:url value="/logout" />" method="POST">
  -					<sec:csrfInput />
  -					<input type="submit" value="<spring:message code="nav.logout"/>" />
  -				</form><span class="sr-only">(current)</span></li>
  +					<form action="<spring:url value="/logout" />" method="POST">
  +						<sec:csrfInput />
  +						<input type="submit" value="<spring:message code="nav.logout"/>" />
  +					</form> <span class="sr-only">(current)</span>
  +				</li>
   			</ul>
   		</div>
   		<!--navbarCollapse -->
  
positive.code: 
  			<a class="navbar-brand " href="<spring:url value="/"/>"> <img
  				alt="Universidad Complutense de Madrid"
  				src="<spring:url value="/static/img/logoUcm.gif" />"
  				width="30">
  			</a>
  		</div>
  		<div id="navbar" class="navbar-collapse collapse">
  
negative.code: <%@ page pageEncoding="UTF-8" contentType="text/html; charset=UTF-8"
  	session="false"%>
  <%@ taglib prefix="spring" uri="http://www.springframework.org/tags"%>
  <%@ taglib prefix="sec"
  	uri="http://www.springframework.org/security/tags"%>
  <div class="navbar navbar-default navbar-fixed-top "
  	style="z-index: 1000;" role="navigation">
  
  