var banner = new Array();

banner.push(https://i.servimg.com/u/f23/11/13/55/86/11052410.jpg);
banner.push(https://i.servimg.com/u/f63/11/13/55/86/ied10.jpg);
banner.push(https://i.servimg.com/u/f63/11/13/55/86/logo10.jpg);
banner.push(https://i.servimg.com/u/f63/11/13/55/86/pict1810.jpg);
banner.push(https://i.servimg.com/u/f33/11/13/55/86/_13_6-10.jpg);
banner.push(https://i.servimg.com/u/f63/11/13/55/86/bannie18.jpg);
banner.push(https://i.servimg.com/u/f23/11/13/55/86/banni710.jpg);
banner.push(https://i.servimg.com/u/f23/11/13/55/86/dsc_0310.jpg);

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)];",3);