function getTopper(topper) {
new Ajax.Request('/toppers.php', {
  method: 'get',
  parameters: {topper: topper},
  onSuccess: function(transport){
      var response = transport.responseText;
      div = document.getElementById('topper');
      if (response != '') {
	div.innerHTML = '<img src="/trophytoppers/thumbnails/'+response+'" />';
        div.style.display='';
      } else {
        div.style.display='none';
      }
  }
  });
}