var banner = new Array();

banner[0] ='https://i872.photobucket.com/albums/ab285/hanadcv/BANNERAMA.png';


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

setInterval("document.getElementById('i_logo').src= banner[Math.floor(Math.random()*banner.length)];",3000);