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banner[5]='https://i152.photobucket.com/albums/s189/bimago/HEADERS%20WEBCOMICS/cab3.jpg';
banner[6]='https://i152.photobucket.com/albums/s189/bimago/HEADERS%20WEBCOMICS/cab2.jpg';
banner[7]='https://i152.photobucket.com/albums/s189/bimago/HEADERS%20WEBCOMICS/cab1.jpg';
banner[5]='https://i152.photobucket.com/albums/s189/bimago/HEADERS%20WEBCOMICS/cab9.jpg';


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