var how_many_ads = 5;
            var now = new Date()
            var sec = now.getSeconds()
            var ad = sec % how_many_ads;
            ad +=1;
            

            if (ad==1) {
            txt="";
            url="http://www.wunderground.com/US/FL/Winter_Haven.html?bannertypeclick=bigwx";
            target="_top";
            alt="Click for Winter Haven, Florida Forecast";
            banner="http://banners.wunderground.com/weathersticker/bigwx_cond/language/www/US/FL/Winter_Haven.gif";
            width="468";
            height="60";
            }

            if (ad==2) {
            txt="";
            url="http://www.wunderground.com/US/FL/Ruskin.html?bannertypeclick=bigwx";
            target="_top";
            alt="Click for Ruskin, Florida Forecast";
            banner="http://banners.wunderground.com/weathersticker/bigwx_cond/language/www/US/FL/Ruskin.gif";
            width="468";
            height="60";
            }                   

                   
       
            if (ad==3) {
            txt="";
            url="http://www.wunderground.com/US/FL/Placida.html?bannertypeclick=bigwx";
            target="_top";
            alt="Click for Placida, Florida Forecast";
            banner="http://banners.wunderground.com/weathersticker/bigwx_cond/language/www/US/FL/Placida.gif";
            width="468";
            height="60";
            }

            if (ad==4) {
            txt="";
            url="http://www.wunderground.com/US/FL/Englewood.html?bannertypeclick=bigwx";
            target="_top";
            alt="Click for Englewood, Florida Forecast";
            banner="http://banners.wunderground.com/weathersticker/bigwx_cond/language/www/US/FL/Englewood.gif";
            width="468";
            height="60";
            }

          
            if (ad==5) {
            txt="";
            url="http://www.wunderground.com/US/FL/Yankeetown.html?bannertypeclick=bigwx";
            target="_top";
            alt="Click for Yankeetown, Florida Forecast";
            banner="http://banners.wunderground.com/weathersticker/bigwx_cond/language/www/US/FL/Yankeetown.gif";
            width="468";
            height="60";
            }

            
            
            document.write('<center>');
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('<small>' + txt + '</small></a>');
            document.write('</center>');