var bikky = document.cookie;

function getCookie(name) { // use: getCookie("name");
	var index = bikky.indexOf(name + "=");
	if (index == -1) return null;
	
	index = bikky.indexOf("=", index) + 1;
	var endstr = bikky.indexOf(";", index);
	if (endstr == -1) endstr = bikky.length;
	return unescape(bikky.substring(index, endstr));
}

function setCookie(name, value, expiresMin) { // use: setCookie("name", value);
	var today = new Date();
	// var expiry = new Date(today.getTime() + 28 * 24 * 60 * 60 * 1000); // plus 28 days
	var expiry = new Date(today.getTime() + expiresMin * 60 * 1000); // plus expires minutes
	
	if (value != null && value != "")
	document.cookie=name + "=" + escape(value) + "; expires=" + expiry.toGMTString();
	bikky= document.cookie; // update bikky
}