var uniq  = Math.round(Math.random() * 1000000);
    var pubid = 10;
    var srv   = 'http://adsonic.com/ads/adview.php';
    var surl  = srv + '?pubid=' + pubid + '&uniq=' + uniq;
    if (typeof(avb) != "undefined") 
        for (var i = 0; i < avb.length; i++) 
            surl += "&bids[]=" + avb[i];
    var srcurl = '<script src="' + surl + '"></script>';
    document.write (srcurl);