var banner = new Array();

banner[0]='https://i.imgur.com/nbb9Gzy.png';
banner[1]='https://i.imgur.com/Wr1MsML.png';
banner[2]='https://i.imgur.com/9JJZLXc.png';
banner[3]='https://i.imgur.com/aOoTXQl.png';
banner[4]='https://i.imgur.com/I0CyEfI.png';
banner[5]='https://i.imgur.com/Ox5Slkt.png';
banner[6]='https://i.imgur.com/HbadqDO.png';
banner[7]='https://i.imgur.com/gcAufoO.png';
banner[8]='https://i.imgur.com/L8XghgY.png';
banner[9]='https://i.imgur.com/O5UeRik.png';
banner[10]='https://i.imgur.com/JnxhAPl.png';
banner[11]='https://i.imgur.com/3HklZIz.png';
banner[12]='https://i.imgur.com/2L98srA.png';
banner[13]='https://i.imgur.com/hQr0xIx.png';

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