function eolk(arg, popup_name , popup_args){
        arg = arg.replace(/\[hostwww\]/g,    'www.photo-scope.fr');
        arg = arg.replace(/\[prot\]/g,       'http://');
        arg = arg.replace(/\[\|\]/g,          '/');
        arg = arg.replace(/\[@\]/g,           '.');
        arg = arg.replace(/\[!\]/g,           '?');
        arg = arg.replace(/\[hostblog\]/g, 'blog.photo-scope.fr');
        if ( popup_name != undefined && popup_args != undefined &&  popup_name + popup_args != "" )
                window.open(arg,popup_name,popup_args)
        else
                document.location=arg;
        return true;
}