var banner = new Array();

banner[0]='http://i45.servimg.com/u/f45/14/25/65/70/mke_ba10.jpg';
banner[1]='http://i45.servimg.com/u/f45/14/25/65/70/mke_ba11.jpg';
banner[2]='http://i45.servimg.com/u/f45/14/25/65/70/mke_ba12.jpg';
banner[3]='http://i45.servimg.com/u/f45/14/25/65/70/mke_ba13.jpg';
banner[4]='http://i45.servimg.com/u/f45/14/25/65/70/mke_ba14.jpg';
banner[5]='http://i45.servimg.com/u/f45/14/25/65/70/mke_ba15.jpg';

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