function displayPics()
{
 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;
		         };
     }
}
window.onload = displayPics;