if(document.images) {

		img1 = new Image();
		img1.src = "/img/nav_inicio.gif";

		img2 = new Image();
		img2.src = "/img/nav_inicio_on.gif";

		img3 = new Image();
		img3.src = "/img/nav_productos.gif";

		img4 = new Image();
		img4.src = "/img/nav_productos_on.gif";

		img5 = new Image();
		img5.src = "/img/nav_empresa.gif";

		img6 = new Image();
		img6.src = "/img/nav_empresa_on.gif";

		img7 = new Image();
		img7.src = "/img/nav_contacto.gif";

		img8 = new Image();
		img8.src = "/img/nav_contacto_on.gif";

		img9 = new Image();
		img9.src = "/img/nav_cubiertas.gif";

		img10 = new Image();
		img10.src = "/img/nav_cubiertas_on.gif";

		img11 = new Image();
		img11.src = "/img/nav_piscinas.gif";
		
		img12 = new Image();
		img12.src = "/img/nav_piscinas_on.gif";

		img13 = new Image();
		img13.src = "/img/nav_otros.gif";
		
		img14 = new Image();
		img14.src = "/img/nav_otros_on.gif";
}