function init_cookie_lang() {
	if (!document.cookie) {
	set_cookie_lang("en");
	}
}

function set_cookie_lang(lang) {
	document.cookie = "lang=" + lang + "; path=/";
	}


function get_cookie_lang() {
	var cookies = document.cookie;
	if (cookies) {
		var pos = cookies.indexOf("lang=");
			if (pos != -1) {
				var start = pos + 5;
				var end = cookies.indexOf(";", start);
				if (end == -1) end = cookies.length;
				var lang = cookies.substring(start, end);
				return(lang);
			}
		}
}


function show_en() {
	$('page').removeClass('fr');
	$('page').addClass('en');
}
	

function show_fr() {
	$('page').removeClass('en');
	$('page').addClass('fr');
}


window.addEvent('domready', function() {

	init_cookie_lang();
	var lang = get_cookie_lang();
	if (lang == "en") {show_en()}
	else {show_fr()}
	
	
	
	
	$('lang_to_fr').addEvent('click', function() {
		set_cookie_lang("fr");
		show_fr();
	});
	
	
	
	$('lang_to_en').addEvent('click', function() {
		set_cookie_lang("en");
		show_en();
	});

});