$(document).ready(function() {
  updatePage()
});

function updatePage() {
    var lang = getLanguage();
	if (lang == "english") {
	  $(".fr").hide();
	  $(".en").show();	
	}
	else {
	  $(".en").hide();
	  $(".fr").show();	
	}
	return true;
}

function getLanguage() {
    var lang = getCookie("language");
    if (lang == null) {
	    if (navigator.language == "en-us" || 
		     navigator.userLanguage == "en-us") {
		   return "english";
	    }
	    else {
		   return "francais";
	    }
	}
    return lang;
}

// get cookies helper functions
function getCookieVal (offset) {
	var endstr = document.cookie.indexOf (";", offset);
	if (endstr == -1)
		endstr = document.cookie.length;
	return unescape(document.cookie.substring(offset,endstr));
}

function getCookie (name) {
	var arg = name + "=";
	var alen = arg.length;
	var clen = document.cookie.length;
	var i = 0;
	while (i < clen) {
		var j = i + alen;
		if (document.cookie.substring(i, j) == arg)
			return getCookieVal (j);
		i = document.cookie.indexOf(" ", i) + 1;
		if (i == 0) break; 
	}
	return true;
}  
function SetCookie (name, value) {
	var argv = SetCookie.arguments;
	var argc = SetCookie.arguments.length;
	var expires = (argc > 2) ? argv[2] : null;
	var path = (argc > 3) ? argv[3] : null;
	var domain = (argc > 4) ? argv[4] : null;
	var secure = (argc > 5) ? argv[5] : false;
	document.cookie = name + "=" + escape (value) +
		((expires == null) ? "" : ("; expires=" + expires.toGMTString())) +
		((path == null) ? "" : ("; path=" + path)) +
		((domain == null) ? "" : ("; domain=" + domain)) +
		((secure == true) ? "; secure" : "");
}

function setLanguage (lang) {
	var expdate = new Date ();
	expdate.setTime (expdate.getTime() + (24 * 60 * 60 * 1000 * 31));
	SetCookie ("language", lang, expdate);
}


function showFrancais () {
	setLanguage("francais");
	updatePage();
}

function showEnglish () {
	setLanguage("english");
	updatePage();
}

function getAndShowLanguage () {
	var lang = GetCookie("language");
	if (lang == "english") {
		showEnglish4();
	}
	else {
		// switch statement here if there are more lang in future
		showFrancais4();	
	}
}