/*************************************************
* Lecture/Ecriture cookie pour pays double langue
**************************************************/

function getParam(name){
	// On enlève le ?
	var param = window.location.search.slice(1,window.location.search.length);

	// On sépare le paramètres....
	// first[0] est de la forme param=valeur
	var first = param.split("&");

	for(i=0;i<first.length;i++){
		second = first[i].split("=");
		if(second[0] == name){
			return second[1];
		}
	}
	return "";
}

function setCookieChgLang(name, value, expiredays) {
	var ExpireDate = new Date ();
	ExpireDate.setTime(ExpireDate.getTime() + (expiredays * 24 * 3600 * 1000));
	document.cookie = name + "=" + escape(value) + ((ExpireDate == null) ? "" : ("; expires=" + ExpireDate.toGMTString()))+ "; path=/"
}

function readCookieChgLang(name) {
	var nameEQ = name + "=" ;
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) { 
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
			if (c.indexOf(nameEQ) == 0){
				return unescape(c.substring(nameEQ.length,c.length));
			}
	}
	return null;
}

var nomCookieLang = "changeLang";
var nomCookiePays = "pays";
var isCookieChangeLang     = readCookieChgLang(nomCookieLang);
var isCookieChangeLangPays = readCookieChgLang(nomCookiePays);
var langActuelle = getParam('LANG');
var paysActuel   = getParam('PAYS');
var paramChgLang = getParam('changeLangue');

if((isCookieChangeLang !=null)&&(isCookieChangeLangPays !=null) && (isCookieChangeLang.indexOf(langActuelle)== -1)){
	if ((isCookieChangeLangPays.indexOf(paysActuel)!= -1) && (paramChgLang == "")){
		var url = window.location.href;
		var reg = new RegExp("(LANG=)([A-Z]{2})","g");
		var urlRedirect = url.replace(reg,"$1"+ isCookieChangeLang);
		window.location.href= urlRedirect;
	}else{
		valueCookieLang=getParam('LANG');
		var dureeCookie="300";
		setCookieChgLang(nomCookieLang,valueCookieLang, dureeCookie);
		valueCookiePays= getParam('PAYS');
		setCookieChgLang(nomCookiePays,valueCookiePays, dureeCookie);
	}
}else{
	if ((isCookieChangeLang ==null)&&(isCookieChangeLangPays ==null) &&(paramChgLang != "")){
		valueCookieLang=getParam('LANG');
		var dureeCookie="300";
		setCookieChgLang(nomCookieLang,valueCookieLang, dureeCookie);
		valueCookiePays= getParam('PAYS');
		setCookieChgLang(nomCookiePays,valueCookiePays, dureeCookie);
	}
}