function getCookie(name) { // use: getCookie("name");
	var re = new RegExp(name + "=([^;]+)");
	var value = re.exec(document.cookie);
	return (value != null) ? unescape(value[1]) : null;
}

var today = new Date();
var expiry = new Date(today.getTime() + 1 * 24 * 60 * 60 * 1000); // plus 1 day

function setCookie(name, value) { // use: setCookie("name", value);
	document.cookie=name + "=" + escape(value) + "; expires=" + expiry.toGMTString();
}