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("<object classid=\"clsid:D27CDB6E-AE6D-11cf-96B8-444553540000\" codebase=\"http:\/\/download.macromedia.com\/pub\/shockwave\/cabs\/flash\/swflash.cab#version=7,0,19,0\" width=\"300\" height=\"60\">");
	document.write("  <param name=\"movie\" value=\"http:\/\/src.eluniverso.com\/data\/recursos\/banners\/despegar300x60.swf\" \/>");
	document.write("  <param name=\"quality\" value=\"high\" \/>");
	document.write("  <embed src=\"http:\/\/src.eluniverso.com\/data\/recursos\/banners\/despegar300x60.swf\" quality=\"high\" pluginspage=\"http:\/\/www.macromedia.com\/go\/getflashplayer\" type=\"application\/x-shockwave-flash\" width=\"300\" height=\"60\"><\/embed>");
	document.write("<\/object>");
}