function setCookie() {

}

function getCookie(cookieName) {
	var allCookies = document.cookie;
	var cookieArray = allCookies.split(";");
	for (var i=0;i<cookieArray.length;i++) {
		var cookieNameValueArray = cookieArray[i].split("=");

		var expression = "^\\s+";
		var regexp1 = new RegExp(expression);

		cookieNameValueArray[0] = cookieNameValueArray[0].replace(regexp1, "");

		expression = "\\s+$";
		regexp1 = new RegExp(expression);
		cookieNameValueArray[0] = cookieNameValueArray[0].replace(regexp1, "");

		if (cookieNameValueArray[0] == cookieName) {
			return cookieNameValueArray[1];
		}
	}
	return null;
}