var how_many_ads = 2;
var now = new Date()
var sec = now.getSeconds()
var ad = sec % how_many_ads;
ad +=1;

/*468x60 gráfico*/
if (ad==1)
{
google_ad_client = "pub-5278981701997398";
google_ad_width = 468;
google_ad_height = 60;
google_ad_format = "468x60_as";
google_ad_type = "image";
google_ad_channel ="";
google_color_border = "CCCC99";
google_color_bg = "FFFFFF";
google_color_link = "000000";
google_color_url = "666666";
google_color_text = "333333";
document.write('<div class=\"banner\" align=\"left\"><span class=\"texto9\">PUBLICIDAD</span><img src=\"/data/images/bullets/trianguloPublicidad.gif\" width=\"9\" height=\"10\"><div align=\"center\">')
document.write('<script type=\'text/javascript\' src=\'http://pagead2.googlesyndication.com/pagead/show_ads.js\'><\/script>');
document.write('</div></div>')
}

/*468x60 texto*/
if (ad==2)
{
google_ad_client = "pub-5278981701997398";
google_ad_width = 468;
google_ad_height = 60;
google_ad_format = "468x60_as";
google_ad_type = "text";
google_ad_channel ="";
document.write('<div class=\"banner\" align=\"left\"><span class=\"texto9\">PUBLICIDAD</span><img src=\"/data/images/bullets/trianguloPublicidad.gif\" width=\"9\" height=\"10\"><div align=\"center\">')
document.write('<script type=\'text/javascript\' src=\'http://pagead2.googlesyndication.com/pagead/show_ads.js\'><\/script>');
document.write('</div></div>')
}