var pic = 1; 
var link = 1; 
var numpics = 3; 
day = new Date(); 
seed = day.getTime(); 
ran = parseInt(((seed - (parseInt(seed/1000,10) * 1000))/10)/100*numpics + 1,10); 

if (ran == (1)) 
{pic=("../../../../bannerads/images/ads.gif");link=("http://www.filelofts.com")} 

if (ran == (2)) 
{pic=("../../../../bannerads/images/ads2.gif");link=("http://www.filelofts.com")} 

if (ran == (3)) 
{pic=("../../../../bannerads/images/ads3.gif");link=("http://www.filelofts.com")} 

document.write("<a href=\"" + link + "\" target=\"_blank\"><IMG SRC=\"" + pic + "\" WIDTH=\"350\" HEIGHT=\"60\" BORDER=\"0\"></a>")