var indexB = 0;
var banners = new Array();


//PROMETEO
banners[indexB++] = '<a href="http://ad.zanox.com/ppc/?7429376C423631592T" target="blank"><img src="http://ad.zanox.com/ppv/?7429376C423631592" align="bottom" width="160" height="600" border="0" hspace="1" alt="Non rimanere a secco, fai il pieno di Euro"></a>';


//LASTMINUTE
banners[indexB++] = '<a href="http://clk.tradedoubler.com/click?p=16987&a=1227249&g=172875" target="_BLANK"><img src="http://impit.tradedoubler.com/imp?type(img)g(172875)a(1227249)" border=0></a>';


//OPODO
banners[indexB++] = '<a href="http://clk.tradedoubler.com/click?p=21402&a=1227249&g=16329536" target="_BLANK"><img src="http://impit.tradedoubler.com/imp?type(img)g(16329536)a(1227249)" border=0></a>';

//BANCOPOSTA
banners[indexB++] = '<script type="text/javascript" src="http://impit.tradedoubler.com/imp?g(17410456)a(1227249)" charset="ISO-8859-1"></script>';





function showBanners() {
  var n = Math.floor(Math.random() * indexB);
  document.write(banners[n]);
}

showBanners();


// onClick="javascript:urchinTracker(\'/inuscita/esempio_it/\');">test</a>'; serve x ANALYTICS