/* Add an avatar option */
function add_option(id, user_id){
  var img = $('avatar-img-'+id);
  var radio = $('avatar-radio-'+id);

  var closure = function(){
    //$('avatar-current').src = img.src;
    new Ajax.Updater('avatar-lower-box', '/users/'+user_id+'/avatars/'+id+'/control', {asynchromous:true, evalScripts:true});
    radio.checked = true;
  }

  img.observe('click', closure);
  radio.observe('click', closure);
}