function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}else expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(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 c.substring(nameEQ.length,c.length);
	}
	return null;
}

function language(lang_on, lang_off) {
	createCookie("langue_on",lang_on,365);
	createCookie("langue_off",lang_off,365);
	for (var i=0; i<document.getElementsByTagName("p").length; i++ ) {
		if (document.getElementsByTagName("p")[i].lang == lang_on) {
			document.getElementsByTagName("p")[i].style.display="block";
		}
		if (document.getElementsByTagName("p")[i].lang == lang_off) {
			document.getElementsByTagName("p")[i].style.display="none";
		}
	}
	for (var i=0; i<document.getElementsByTagName("div").length; i++ ) {
		if (document.getElementsByTagName("div")[i].lang == lang_on) {
			document.getElementsByTagName("div")[i].style.display="block";
		}
		if (document.getElementsByTagName("div")[i].lang == lang_off) {
			document.getElementsByTagName("div")[i].style.display="none";
		}
	}
	for (var i=0; i<document.getElementsByTagName("small").length; i++ ) {
		if (document.getElementsByTagName("small")[i].lang == lang_on) {
			document.getElementsByTagName("small")[i].style.display="block";
		}
		if (document.getElementsByTagName("small")[i].lang == lang_off) {
			document.getElementsByTagName("small")[i].style.display="none";
		}
	}
	for (var i=0; i<document.getElementsByTagName("label").length; i++ ) {
		if (document.getElementsByTagName("label")[i].lang == lang_on) {
			document.getElementsByTagName("label")[i].style.display="block";
		}
		if (document.getElementsByTagName("label")[i].lang == lang_off) {
			document.getElementsByTagName("label")[i].style.display="none";
		}
	}
}

function startlanguage() {
	var notdefined;
	var lang_on = readCookie("langue_on");
	var lang_off = readCookie("langue_off");
	if (lang_on == notdefined) {lang_on = "en";}
	if (lang_off == notdefined) {lang_off = "fr";}
	language(lang_on,lang_off);
}

window.onload = function () {
	startlanguage();
}