function ajouter_favori(texte,url)
{ 
   if (window.sidebar) 
   { 
   window.sidebar.addPanel(texte, url,""); 
   } 
   else if( document.all ) 
   { 
   window.external.AddFavorite(url, texte); 
   } 
   else 
        { 
   return true; 
   } 
} 

var win = null;
function fenetre_centree(mypage,myname,w,h,scroll) {
LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
settings ='height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars=no'+scroll+',resizable=0'
win = window.open(mypage,myname,settings)
if(win.window.focus){win.window.focus();}
}