if (document.images) {

 		image1off = new Image();
 		image1off.src = "http://www.lesionadomedular.com/images/botonmedicos.gif";

 		image2off = new Image();
 		image2off.src = "http://www.lesionadomedular.com/images/botonpacientes.gif";

		image3off = new Image();
 		image3off.src = "http://www.lesionadomedular.com/images/botonenfermeria.gif";

		image4off = new Image();
 		image4off.src = "http://www.lesionadomedular.com/images/contactar.gif";

		image5off = new Image();
 		image5off.src = "http://www.lesionadomedular.com/images/noticias.gif";

 		image6off = new Image();
 		image6off.src = "http://www.lesionadomedular.com/images/articulos.gif";

		image7off = new Image();
 		image7off.src = "http://www.lesionadomedular.com/images/enlaces.gif";

		image8off = new Image();
 		image8off.src = "http://www.lesionadomedular.com/images/quienes.gif";
		
		image9off = new Image();
 		image9off.src = "http://www.lesionadomedular.com/images/descargas.gif";

		image10off = new Image();
 		image10off.src = "http://www.lesionadomedular.com/images/cursos.gif";
					
		///////////////////////////////////////////////			
					
		image1on = new Image();
 		image1on.src = "http://www.lesionadomedular.com/images/botonmedicosON.gif";

 		image2on = new Image();
 		image2on.src = "http://www.lesionadomedular.com/images/botonpacientesON.gif";

		image3on = new Image();
 		image3on.src = "http://www.lesionadomedular.com/images/botonenfermeriaON.gif";

		image4on = new Image();
 		image4on.src = "http://www.lesionadomedular.com/images/contactarON.gif";	

		image5on = new Image();
 		image5on.src = "http://www.lesionadomedular.com/images/noticiasON.gif";

 		image6on = new Image();
 		image6on.src = "http://www.lesionadomedular.com/images/articulosON.gif";

		image7on = new Image();
 		image7on.src = "http://www.lesionadomedular.com/images/enlacesON.gif";

		image8on = new Image();
 		image8on.src = "http://www.lesionadomedular.com/images/quienesON.gif";			
		
		image9on = new Image();
 		image9on.src = "http://www.lesionadomedular.com/images/descargasON.gif";	

		image10on = new Image();
 		image10on.src = "http://www.lesionadomedular.com/images/cursosON.gif";
 	}

 	function turnOn(imageName) { 
  	if (document.images) { 
		 document[imageName].src = eval(imageName + "on.src"); 
		}
 	}

 	function turnOff(imageName) { 
		if (document.images) {
	   document[imageName].src = eval(imageName + "off.src"); 
	 }
 	}

// ... Extraemos la fecha del sistema.

	fecha = new Date();
	meses = new Array("enero","febrero","marzo","abril","mayo","junio","julio","agosto","septiembre","octubre","noviembre","diciembre");

	dia = fecha.getDate();
	codmes = fecha.getMonth();
	anno = fecha.getYear();

	mes=meses[codmes];