function random_banner(){

  var i=0;

  banners = new Array();

  banners[0] = '<a href="http://idgs.in/469609" target=_blank><IMG SRC="http://indogamers.us/ftpidgs1/Banner/Free-1.jpg" border=0></a>';

  banners[1] = '<a href="http://idgs.in/469609" target=_blank><IMG SRC="http://indogamers.us/ftpidgs1/Banner/Free-1.jpg" border=0></a>';

  banners[2] = '<a href="http://idgs.in/469609" target=_blank><IMG SRC="http://indogamers.us/ftpidgs1/Banner/Free-1.jpg" border=0></a>';

  banners[3] = '<a href="http://idgs.in/469609" target=_blank><IMG SRC="http://indogamers.us/ftpidgs1/Banner/Free-1.jpg" border=0></a>';

  today = new Date();

  i=today.getSeconds();

  n=banners.length;

  return document.getElementById('pulse23').innerHTML = banners[i-Math.round((i-2)/n)*n];

}