function randomimage()
{
  var imgNumber;
  imgNumber = Math.floor(Math.random()*12)+1;
  document.write('<A HREF=http://www.advantagepersonaltraining.com/resources/links.html><IMG SRC=http://www.advantagepersonaltraining.com/links/images/'+imgNumber+'.gif WIDTH=164 HEIGHT=92 BORDER=0></A>');
}