function display_abstract(title, abstract) {
 $('title').innerHTML =  title
 $('abstract').innerHTML = abstract
 new Effect.Shake('abstract_details')
}

function display_topics(topics_id) {
 $('topics').innerHTML =  $(topics_id).innerHTML
 new Effect.Highlight('topics')
}

function display_appearances(year) {
  $('appearances').innerHTML = $('appearances_'+year).innerHTML
  new Effect.Highlight('appearances')
}