var banner = new Array();

banner.push('https://i.servimg.com/u/f42/11/02/59/35/ban-se33.jpg');
banner.push('https://i.servimg.com/u/f42/11/02/59/35/ban-se42.jpg');
banner.push('https://i.servimg.com/u/f42/11/02/59/35/ban-se35.jpg');
banner.push('https://i.servimg.com/u/f42/11/02/59/35/ban-se36.jpg');
banner.push('https://i.servimg.com/u/f42/11/02/59/35/ban-se37.jpg');
banner.push('https://i.servimg.com/u/f42/11/02/59/35/ban-se38.jpg');
banner.push('https://i.servimg.com/u/f42/11/02/59/35/ban-se39.jpg');
banner.push('https://i.servimg.com/u/f42/11/02/59/35/ban-se40.jpg');
banner.push('https://i.servimg.com/u/f42/11/02/59/35/ban-se41.jpg');
banner.push('https://i.servimg.com/u/f42/11/02/59/35/ban-se42.jpg');

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