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

function setCookie(name, value, expire)
{
	if (!expire) { expire = 31536000000; }
	var now = new Date();
	var then = new Date(now.getTime() + expire);
	var cname = name + "=" + escape(value) + "; expires=" + then.toGMTString() + "; path=/";
	document.cookie = cname;
}