var banner = new Array();

banner[0]='https://i.servimg.com/u/f41/16/21/94/18/fond_210.jpg';
banner[1]='https://i.servimg.com/u/f41/16/21/94/18/fond_810.jpg';
banner[2]='https://i.servimg.com/u/f41/16/21/94/18/fond_410.jpg';
banner[3]='https://i.servimg.com/u/f41/16/21/94/18/fond_710.jpg';
banner[4]='https://i.servimg.com/u/f41/16/21/94/18/fond_610.jpg';
banner[5]='https://i.servimg.com/u/f41/16/21/94/18/fond_310.jpg';
banner[6]='https://i.servimg.com/u/f41/16/21/94/18/fond_510.jpg';
banner[7]='https://i.servimg.com/u/f49/11/59/85/64/fond_110.jpg';
banner[8]='https://i.servimg.com/u/f49/11/59/85/64/fond_910.jpg';
banner[9]='https://i.servimg.com/u/f49/11/59/85/64/fond_111.jpg';
banner[10]='https://i.servimg.com/u/f49/11/59/85/64/fond_112.jpg';

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