var banner = new Array(); banner.push('https://img15.hostingpics.net/pics/473661776330design.png'); banner.push('https://img15.hostingpics.net/pics/473661776330design.png'); banner.push('https://img15.hostingpics.net/pics/284932bannierenodeux.png'); document.getElementById('i_logo').src= banner[Math.floor(Math.random()*banner.length)];