var banner = new Array();

banner[0]='https://i188.photobucket.com/albums/z111/Lurian_photos/logocaphigh.gif';
banner[1]='https://i188.photobucket.com/albums/z111/Lurian_photos/cah/banner2.jpg';
banner[2]='https://i188.photobucket.com/albums/z111/Lurian_photos/ICA/banner.png';
banner[3]='https://i188.photobucket.com/albums/z111/Lurian_photos/cah/banner1.jpg';
banner[4]='https://i188.photobucket.com/albums/z111/Lurian_photos/cah/poderosos_1024x768.jpg';
banner[5]='https://i188.photobucket.com/albums/z111/Lurian_photos/cah/banner3.jpg';


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