var banner = new Array();

banner[0]='https://i.servimg.com/u/f45/16/25/83/47/47724110.jpg';
banner[1]='https://i.servimg.com/u/f45/16/25/83/47/topo_p10.jpg';
banner[2]='https://i.servimg.com/u/f45/16/25/83/47/topo12.jpg';
banner[3]='https://i.servimg.com/u/f45/16/25/83/47/topo_f10.jpg';
banner[4]='https://i.servimg.com/u/f45/16/25/83/47/ronald10.jpg';
banner[5]='https://i.servimg.com/u/f45/16/25/83/47/captur11.jpg';
banner[6]='https://i.servimg.com/u/f45/16/25/83/47/gabrie10.jpg';
banner[7]='http://img254.imageshack.us/img254/4866/23052012150.jpg';
banner[8]='http://img841.imageshack.us/img841/4005/topo4b.jpg';




document.getElementById('logo').firstChild.src= banner[Math.floor(Math.random()*banner.length)];