function voir(obj) 
{
 document.getElementById(obj).style.display = "block" ;
}
function cacher(obj) 
{
 document.getElementById(obj).style.display = "none" ;
}
function CreateBookmarkLink(uu,tt) 
{ 
 if ( tt == '' ) 
 {
  var title = document.title;   
 }
 else
 {
  var title = tt;
 }
 if ( uu == '' ) 
 {
  var url = document.location.href;  
 }
 else
 {
  var url = uu;
 } 
 if (window.sidebar  && (typeof window.sidebar.addPanel == "function")) 
 {                 
  // Mozilla Firefox Bookmark		
  window.sidebar.addPanel(title,url,"");	
 } 
 else if( window.external ) 
 { 
  // IE Favorite		
  window.external.AddFavorite(url,title); 
 }	
 else 
 { 	
  return true; 
 } 
}