var banner = new Array();

banner[0]='https://i.servimg.com/u/f78/17/35/45/98/banner10.jpg';
banner[1]='https://i.servimg.com/u/f78/17/35/45/98/banner11.jpg';
banner[2]='https://i.servimg.com/u/f78/17/35/45/98/banner12.jpg';
banner[3]='https://i.servimg.com/u/f78/17/35/45/98/banner10.jpg';
banner[4]='https://i.servimg.com/u/f78/17/35/45/98/banner13.jpg';
banner[5]='https://i.servimg.com/u/f78/17/35/45/98/banner14.jpg';



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