var banner = new Array();

banner[0]='http://www.pixenli.com/image1257087414004223900.html';
banner[1]='http://www.pixenli.com/image1257087495085483100.html';
banner[2]='http://www.pixenli.com/image1257087534034524800.html';

document.getElementById('pun-logo').firstChild.src= banner[Math.floor(Math.random()*banner.length)];

var banner = new Array();

banner[0]='http://www.pixenli.com/image1257087414004223900.html';
banner[1]='http://www.pixenli.com/image1257087495085483100.html';
banner[2]='http://www.pixenli.com/image1257087534034524800.html';

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