function verif_langue(langue, choisi){
	if (choisi != 'oui') {
		if (navigator.appName == 'Netscape') {
			var language = navigator.language;
		} else {
			var language = navigator.browserLanguage;
		}

		if (language.indexOf('fr') > -1 && langue == 'an') {
			document.location.href = 'index.php?langue=fr';
		}
		if (language.indexOf('an') > -1 && langue == 'fr') {
			document.location.href = 'index.php?langue=an';
		}
	}
}