var banner = new Array();

banner[0]='http://i14.servimg.com/u/f14/11/64/48/53/modern10.jpg';
banner[1]='http://i14.servimg.com/u/f14/11/64/48/53/tf22y10.jpg';
banner[2]='http://i14.servimg.com/u/f14/11/64/48/53/street11.jpg';
banner[3]='http://i14.servimg.com/u/f14/11/64/48/53/gridps10.jpg';
banner[4]='http://i14.servimg.com/u/f14/11/64/48/53/tf22z10.jpg';
banner[5]='http://i14.servimg.com/u/f14/11/64/48/53/gtaivo10.jpg';
banner[6]='http://i14.servimg.com/u/f14/11/64/48/53/swat4h10.jpg';

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