function bookmark(){


var title="Hydraulique - Algérie"
    var url="http://www.titanesque.net/hydraulique"
   
   if (window.sidebar) window.sidebar.addPanel(title, url,"");
    
   // netscape 4.x
   else if (document.layers) alert ("CTRL + D to bookmark " + title + " !")
    
   // internet explorer 4.x windows
   else if(window.external) window.external.AddFavorite(url,title)

   // internet explorer mac
   else if (document.all && (navigator.userAgent.indexOf('Win') < 0))
   alert ("COMMAND + B to bookmark " + nomSite + " !")
      
   else if((window.opera && opera.buildNumber && !isNaN(opera.buildNumber()))) {
          return true; // do nothing here (Opera 7+)
   } 
    
   else if(window.opera) { // older Opera
   alert('Vous devez '+buttonStr+' + T to bookmark our site.');
   return true
  }

    else if(window.external && (!document.createTextNode || (typeof(window.external.AddFavorite)=='unknown'))) {
        // IE4/Win generates an error when you
        // execute "typeof(window.external.AddFavorite)"
        // In IE7 the page must be from web server, not directly from a local 
        // file system, otherwise, you get a permission denied error.
        window.external.AddFavorite(url, title); // IE/Win
    }
    else {alert ("Cette fonction n'est pas disponible pour votre navigateur. Utilisez le menu du naviagateur");}

}