function setLanguage(language) {
	createCookie('lang',language,'30');
}


function dirToLanguage(){
	var language = readCookie('lang');
	
	if (language) {
		window.location.replace('./' + language + '/');
	}
}


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


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


function moveToLanguageFolder(oldLanguage, newLanguage) {
	setLanguage(newLanguage);

	var href = document.location.href;
	var path = href.replace("/"+oldLanguage+"/","/"+newLanguage+"/");

	window.location.replace(path);
}