function getCookie(cookieName) {
	var ck = document.cookie;
	if (ck.indexOf(cookieName) != -1) {
		if (ck.indexOf(";") == -1) {
			returnCookieValue(ck);
		} else {
			var cookies = ck.split(';');
			for (var i=0; i<cookies.length; i++) {
				if (cookies[i].indexOf(cookieName) != -1) {
					return returnCookieValue(cookies[i]);
				}
			}
		}
	}
	return '';
}
function returnCookieValue(pair) {
	return pair.split('=')[1];
}

function setCookie(cookieName, cookieValue) {
	document.cookie = cookieName +'='+ cookieValue;
}