quotes=new Array(3)

quotes[0]="<a href=http://www.iss-sport.pl/shop,show,3197><img src=http://www.bigfootball.pl/pilka1.jpg border=0 alt=pilka-nike></a>"

quotes[1]="<a href=http://www.iss-sport.pl/shop,show,3271><img src=http://www.bigfootball.pl/pilka2.jpg border=0 alt=pilka-interu></a>"

quotes[2]="<a href=http://www.iss-sport.pl/shop,show,2701><img src=http://www.bigfootball.pl/pilka3.jpg border=0 alt=pilka-nike></a>"

index=Math.floor(Math.random()*quotes.length)
document.write(quotes[index])