var banner = new Array();

banner[0]='http://i17.servimg.com/u/f17/12/17/75/11/bannie11.png';
banner[1]='http://i17.servimg.com/u/f17/12/17/75/11/bannie12.png';
banner[2]='http://i17.servimg.com/u/f17/12/17/75/11/bannie13.png';
banner[3]='http://i17.servimg.com/u/f17/12/17/75/11/bannie14.png';
banner[4]='http://i17.servimg.com/u/f17/12/17/75/11/bannie15.png';
banner[5]='http://i17.servimg.com/u/f17/12/17/75/11/bannie16.png';
banner[6]='http://i17.servimg.com/u/f17/12/17/75/11/bannie17.png';
banner[7]='http://i17.servimg.com/u/f17/12/17/75/11/bannie18.png';
banner[8]='http://i17.servimg.com/u/f17/12/17/75/11/bannie19.png';
banner[9]='http://i17.servimg.com/u/f17/12/17/75/11/bannie20.png';
banner[10]='http://i17.servimg.com/u/f17/12/17/75/11/bannie21.png';
banner[12]='http://i17.servimg.com/u/f17/12/17/75/11/bannie22.png';
banner[13]='http://i67.servimg.com/u/f67/12/17/75/11/bannie10.png';
banner[14]='http://i67.servimg.com/u/f67/12/17/75/11/bannie11.png';
banner[15]='http://i67.servimg.com/u/f67/12/17/75/11/bannie12.png';
banner[16]='http://i67.servimg.com/u/f67/12/17/75/11/bannie14.png';
banner[17]='http://i67.servimg.com/u/f67/12/17/75/11/bannie24.png';
banner[18]='http://i67.servimg.com/u/f67/12/17/75/11/bannie12.png';
banner[19]='http://i67.servimg.com/u/f67/12/17/75/11/bannie17.png';
banner[20]='http://i67.servimg.com/u/f67/12/17/75/11/bannie18.png';
banner[21]='http://i67.servimg.com/u/f67/12/17/75/11/bannie18.png';
banner[22]='http://i67.servimg.com/u/f67/12/17/75/11/bannie21.png';
banner[23]='http://i67.servimg.com/u/f67/12/17/75/11/bannie22.png';
banner[24]='http://i67.servimg.com/u/f67/12/17/75/11/bannie23.png';
document.getElementById('pun-logo').firstChild.src= banner[Math.floor(Math.random()*banner.length)];