var banner = new Array();

banner[0]='https://nsa25.casimages.com/img/2011/04/23/110423102502493858.png';
banner[1]='https://nsa26.casimages.com/img/2011/04/23/110423104341487032.png';
banner[2]='https://nsa25.casimages.com/img/2011/04/23/110423105240164996.png';
banner[3]='https://nsa25.casimages.com/img/2011/04/23/110423112427426753.png';
banner[4]='https://nsa25.casimages.com/img/2011/04/24/110424100847118625.png';
banner[5]='https://nsa26.casimages.com/img/2011/04/24/110424101016785719.png';
banner[6]='https://nsa25.casimages.com/img/2011/04/24/110424101053358496.png';
banner[7]='https://nsa25.casimages.com/img/2011/04/24/110424101116310505.png';
banner[8]='https://nsa25.casimages.com/img/2011/04/24/110424101140735383.png';
banner[9]='https://nsa25.casimages.com/img/2011/04/24/110424101157193971.png';
banner[10]='https://nsa26.casimages.com/img/2011/04/24/110424101223788914.png';
banner[11]='https://nsa25.casimages.com/img/2011/04/24/110424101248250895.png';


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