<?
$archivo='';
$archivo= array_pop(explode('/', $_SERVER['PHP_SELF'])); 

if($archivo!='principal.php'){//echo'<div align="center"><img src="img/banner2.jpg" alt="" width="1000px"></div>';
}

 ?>

    <!-- Footer -->
    <div class="footer text-center">
        <p>&copy; 2019 <strong>Softemuco</strong>, Todos los derechos reservados.</p>
    </div><!-- End Footer -->

    <!-- jQuery (necessary for Bootstrap's JavaScript plugins) -->
    <script src="js/jquery.js"></script>
    <!-- Include all compiled plugins (below), or include individual files as needed -->
    <script src="js/bootstrap.min.js"></script>
    <script src="js/bootshape.js"></script>