function pickORIAD()
{
  n = randumb(2)-1;
  URL = [ 'http://www.goodbyedoggy.com/', 'http://www.reinformation.com/wizardmaster/'];
  SRC = [ '/ads/gd-ad01.gif', '/ads/wm-ad01.gif'];
  ALT = [ 'visit our friends at goodbyedoggy.com', 'visit the wonderful world of wizard master'];
  
  return '<A HREF="'+ URL[n] +'" TARGET="_blank"><IMG SRC="'+ SRC[n] +'" WIDTH="468" HEIGHT="60" ALT="'+ ALT[n] +'" BORDER="1"></A>';
}

function randumb(range) { return (Math.floor(Math.random() * range) +
1); }