var intBanner = Math.floor(Math.random() * 5);
//var rscBanner = document.getElementById('publi');

switch(intBanner) {
	case 0:
	  var strElement = '<div id="banner-autoescuela" class="banner"><a href="http://www.adobe.com/resources/elearning/eliap/winners/q2_2002/" target="_blank"><img src="imagenes/banner_portada_autoescuela.jpg" /></a></div>'
	  break;
	case 1:
	  var strElement = '<div id="banner-csic" class="banner"><a href="proyectos/proyectos.php#1"><img src="imagenes/banner_portada_csic.jpg" /></a></div>';
	  break;
	case 2:
	  var strElement = '<div id="banner-osiatis" class="banner"><a href="diseno_web/osiatis.php"><img src="imagenes/banner_portada_osiatis.jpg" /></a></div>';
	  break;
	case 3:
	  var strElement = '<div id="banner-universidades" class="banner"><a href="e-learning/e-learning.php"><img src="imagenes/banner_portada_universidades.jpg" /></a></div>';
	  break;
	case 4:
   var strElement = '<div id="banner-wikillerato" class="banner"><a href="e-learning/wikillerato.php"><img src="imagenes/banner_portada_wiki.jpg" /></a></div>';
	  break;
	default:
	  var strElement = '<div id="banner-autoescuela" class="banner"><a href="http://www.adobe.com/resources/elearning/eliap/winners/q2_2002/" target="_blank"><img src="imagenes/banner_portada_autoescuela.jpg" /></a></div>'
	  break;
}

//rscBanner.innerHTML = strElement;