var how_many_ads = 2;
            var now = new Date()
            var sec = now.getSeconds()
            var ad = sec % how_many_ads;
            ad +=1;
            if (ad==1) {
            txt="";
            url="http://www.wgmg.co.cr/aspx/affiliateStoreClick.aspx?ID_SC=824&ID_I=103";
            target="_top";
            alt="JustBet";
            banner="http://banners.wgmg.co.cr/aspx/affiliateGetImage.aspx?ID_SC=824&ID_I=103";
            width="468";
            height="60";
            }

            if (ad==2) {
            txt="";
            url="http://www.wgmg.co.cr/aspx/affiliateStoreClick.aspx?ID_SC=824&ID_I=18";
            target="_top";
            alt="JustBet";
            banner="http://banners.wgmg.co.cr/aspx/affiliateGetImage.aspx?ID_SC=824&ID_I=18";
            width="468";
            height="60";
            }      
              document.write('');
document.write('<a href=\"' + url + '\" target=\"_top\">');
            document.write('<img src=\"' + banner + '\" width=')
            document.write(width + ' height=' + height + ' ');
            document.write('alt=\"' + alt + '\" border=0><br>');
            document.write('<font face=verdana size=-2 color=#000000>' + txt + '</small></a>');
            document.write('</center>');