var banner = new Array();

banner[0]='https://i1203.photobucket.com/albums/bb386/winterxhearted/sc-banner02.png';
banner[1]='https://i1203.photobucket.com/albums/bb386/winterxhearted/sc-banner03.png';
banner[2]='https://i1203.photobucket.com/albums/bb386/winterxhearted/sc-banner04.png';
banner[3]='https://i1203.photobucket.com/albums/bb386/winterxhearted/sc-banner01.png';

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