function setCookie(name, value, expireDays) {
	var exDate = new Date();
	exDate.setDate(exDate.getDate() + expireDays);
	var cookie = name + "=" + escape(value) + ((expireDays == null) ? "" : ";expires=" + exDate.toGMTString());
	document.cookie = cookie;
}

function getCookie(name) {
	if (document.cookie.length > 0) {
		start = document.cookie.indexOf(name + "=");
		if (start != -1) {
			start = start + name.length + 1;
			end = document.cookie.indexOf(";", start);
			if (end == -1) end = document.cookie.length;
			return unescape(document.cookie.substring(start, end));
		}
	}
	return "";
}