var banner = new Array();

          banner.push('https://zupimages.net/up/18/31/q46e.png');
          banner.push('https://zupimages.net/up/18/31/mw26.png');
          banner.push('https://zupimages.net/up/18/31/8jcv.png');
          banner.push('https://zupimages.net/up/18/31/0mag.png');
          banner.push('https://zupimages.net/up/18/31/tuac.png');
          banner.push('https://zupimages.net/up/18/31/xu2e.png');

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