     <!-- Plantilla para la ventana modal -->
     <script type="text/ng-template" id="modal.html">
         <div class="modal fade">
          <div class="modal-dialog">
            <div class="modal-content">
              <div class="modal-header">
                <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
                <h3 class="modal-title">Imagen Portada de Evento</h3>
              </div>
              <div class="modal-body">
                <img src="<?php echo base_url('images/documentos/');?>{{imagen}}" class="imagen-modal" />
              </div>
              <div class="modal-footer">
                <button type="button" class="btn btn-danger" data-dismiss="modal">Cerrar</button>
              </div>
            </div>
          </div>
        </div>
     </script>
     <!-- Creates the bootstrap modal where the image will appear -->