var banner = new Array();

banner.push('https://i.imgur.com/mZsH9.png');
banner.push('https://i.servimg.com/u/f30/14/40/94/64/fond111.gif');
banner.push('https://nsa20.casimages.com/img/2010/09/01/100901012216727349.png');
banner.push('https://nsa20.casimages.com/img/2010/09/01/100901025108808271.png');
banner.push('https://nsa19.casimages.com/img/2010/09/01/100901064434187954.png');
banner.push('https://nsa20.casimages.com/img/2010/09/02/100902112351868294.png');
banner.push('https://nsa19.casimages.com/img/2010/09/02/100902112838275235.png');
banner.push('https://imgur.com/RSgxw.jpg');




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