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 var 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.substr(nameEQ.length);
	}
	return "";
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}

function change_language(){
	lang = readCookie("Langue_Collines")
	if (lang == "en")
		lang = "fr"
	else
		lang = "en"
	createCookie("Langue_Collines", lang, null)
	window.location.reload()
}