function vote(id,vote)
{
  var am = new AJAXMinimal();
  var url = "/vote"
  var args = new Array();
  args['id'] = id;
  args['vote'] = vote;
  args['authenticity_token'] ='<%= form_authenticity_token -%>';
  am.fetch_url('POST',url,args,thanks);
}

function thanks(res)
{
  var o = document.getElementById('vote' + res.content);
  if (!o)
    return;
  else
    o.innerHTML = 'Thank you for your vote!';
}