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

function showFrancais4 () {
	var fr1 = document.getElementById('fr1');
	var en1 = document.getElementById('en1');
	en1.style.position = 'absolute';
	en1.style.visibility = 'hidden';
	fr1.style.position = 'relative';
	fr1.style.visibility = 'visible';
	var fr2 = document.getElementById('fr2');
	var en2 = document.getElementById('en2');
	en2.style.position = 'absolute';
	en2.style.visibility = 'hidden';
	fr2.style.position = 'relative';
	fr2.style.visibility = 'visible';
	var fr3 = document.getElementById('fr3');
	var en3 = document.getElementById('en3');
	en3.style.position = 'absolute';
	en3.style.visibility = 'hidden';
	fr3.style.position = 'relative';
	fr3.style.visibility = 'visible';
	var fr4 = document.getElementById('fr4');
	var en4 = document.getElementById('en4');
	en4.style.position = 'absolute';
	en4.style.visibility = 'hidden';
	fr4.style.position = 'relative';
	fr4.style.visibility = 'visible';
	SetLanguageStatus("francais");
}

function showEnglish4 () {
	var fr1 = document.getElementById('fr1');
	var en1 = document.getElementById('en1');
	fr1.style.position = 'absolute';
	fr1.style.visibility = 'hidden';
	en1.style.position = 'relative';
	en1.style.visibility = 'visible';
	var fr2 = document.getElementById('fr2');
	var en2 = document.getElementById('en2');
	fr2.style.position = 'absolute';
	fr2.style.visibility = 'hidden';
	en2.style.position = 'relative';
	en2.style.visibility = 'visible';
	var fr3 = document.getElementById('fr3');
	var en3 = document.getElementById('en3');
	fr3.style.position = 'absolute';
	fr3.style.visibility = 'hidden';
	en3.style.position = 'relative';
	en3.style.visibility = 'visible';
	var fr4 = document.getElementById('fr4');
	var en4 = document.getElementById('en4');
	fr4.style.position = 'absolute';
	fr4.style.visibility = 'hidden';
	en4.style.position = 'relative';
	en4.style.visibility = 'visible';
	SetLanguageStatus("english");
}

function getAndShowLanguage4 () {
	var lang = GetCookie("language");
	if (lang == "english") {
		showEnglish4();
	}
	else {
		// switch statement here if there are more lang in future
		showFrancais4();	
	}
}