var cantidad_banners = 4;
var imagenes = new Array(cantidad_banners); 
var alts = new Array(cantidad_banners); 
var urls = new Array(cantidad_banners); 

imagenes[0] ="banner1.jpg";
alts[0] = "Adelca";
urls[0] = "http://www.adelcaecuador.com/web2/index.html";

imagenes[1] ="mirasol.jpg";
alts[1] = "Mirasol";
urls[1] = "http://www.mirasol.com.ec";


imagenes[2] ="etapa.jpg";
alts[2] = "Etapa";
urls[2] = "http://www.etapa.net.ec";


imagenes[3] ="discovery.jpg";
alts[3] = "Discovery Rent a Car";
urls[3] = "#";


//imagenes[1] = "publica.gif";
//alts[1] = "Publica tu empresa Aqui";

function creardiv()
{
	document.writeln("<div id=\"div_publicidad\"></div>");
	mostrar_banner();
}
function mostrar_banner()
{
	var fecha = new Date();
	var id_banner = fecha.getSeconds() % cantidad_banners;
	document.getElementById("div_publicidad").innerHTML = "<a target=\"_blank\" href=\"" + urls[id_banner] + "\"><img src=\"" + imagenes[id_banner] + "\" border=0 alt=\"" + alts[id_banner] + "\"/></a>";
	setTimeout("mostrar_banner()",5600);
}
creardiv();