function company() {
  var photos = document.getElementById('galerie_mini') ;
  var liens = photos.getElementsByTagName('a') ;
  var big_photo = document.getElementById('big_pict') ;
//var titre_photo = document.getElementById('photo').getElementsByTagName('dt')[0] ;

  for ( var i = 0; i < liens.length; i++ ) {
    liens[i].onclick = function() {
      big_photo.src = this.href ;
      big_photo.alt = this.title ;
//    titre_photo.firstChild.nodeValue = this.title ;
      return false ;
    }
  }
}

function celebrities() {
  var photos = document.getElementById('galerie_mini') ;
  var liens = photos.getElementsByTagName('a') ;
  var big_photo = document.getElementById('big_pict') ;
  var titre_photo = document.getElementById('photo').getElementsByTagName('dt')[0] ;

  for ( var i = 0; i < liens.length; i++ ) {
    liens[i].onclick = function() {
      big_photo.src = this.href ;
      big_photo.alt = this.title ;
      titre_photo.firstChild.nodeValue = this.title ;
      return false ;
    }
  }
}