var how_many_ads = 1;
var now = new Date()
var sec = now.getSeconds()
var ad = sec % how_many_ads;
ad +=1;
if (ad==1) 
{
/*
document.write('<div id=publicidad name=publicidad 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('<iframe src=\"/data/recursos/banners/clientes/latinmedios/american_airlines_129x240_politica.asp\" height=\"240\" width=\"129\" hspace=\"0\" vspace=\"0\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"></iframe>');
document.write('</div></div>')
*/
}