var i18n = {
    'Connexion': 'Connexion',
    'Profil': 'Profil',
    'Déconnexion': 'Déconnexion',
    'Lisez': 'Lisez',
    'son histoire': 'son histoire',
};

function __(key, placeholders) {
    new_key = (i18n[key] ? i18n[key] : key );

    if (placeholders !== undefined) {
	    for (var placeholder in placeholders) {
	    	new_key = new_key.replace(new RegExp(placeholder), placeholders[placeholder]);
	    }
	  }

    return new_key;
}

function _(key, placeholders) {
    return __(key, placeholders);
}