function cycleAdd(rets, ar)
{
	var ret = rets;
	for(var i=0;i<ar.length;i++)
	{
		if(ar[i].last>ret.last) ret.last = ar[i].last;
		ret.number+=ar[i].number;
		
		for(var index in ar[i].countries)
		{
			if(index in ret.countries)
				ret.countries[index]+=ar[i].countries[index];
			else
				ret.countries[index]= ar[i].countries[index];
		}
		
		ret.threads+=ar[i].threads;
		ret.comments+=ar[i].comments;
		ret.subjects+=ar[i].subjects;
		ret.images+=ar[i].images;
		ret.names+=ar[i].names;
		ret.trips+=ar[i].trips;
		ret.nametrips+=ar[i].nametrips;
		ret.ids+=ar[i].ids;
		
	}
	return ret;
}

function acc(a, m, n)
{
	return ((a*n)+m)/(n+1);
}

function cycleAcc(rets, ar, n)
{
	var ret = rets;
	for(var i in ar)
	{
		if(ar[i].last>ret.last) ret.last = ar[i].last;
		ret.number= acc(ret.number, ar[i].number, n);
		
		/*for(var index in ar[i].countries)
		{
			if(index in ret.countries)
				ret.countries[index]= acc(ret.countries[index], ar[i].countries[index], n);
			else
				ret.countries[index]= acc(0, ar[i].countries[index], n);
		}*/ //TODO: Implement this
		
		ret.threads= acc(ret.threads, ar[i].threads, n);
		ret.comments = acc(ret.comments, ar[i].comments, n);
		ret.subjects = acc(ret.subjects, ar[i].subjects, n);
		ret.images = acc(ret.images, ar[i].images, n);
		ret.names = acc(ret.names, ar[i].names, n);
		ret.trips = acc(ret.trips, ar[i].trips, n);
		ret.nametrips = acc(ret.nametrips, ar[i].nametrips, n);
		ret.ids = acc(ret.ids, ar[i].ids, n);
		
		n+=1;
	}
	return ret;
}

if(typeof module !== 'undefined') {
	module.exports.cycleAdd = cycleAdd;
	module.exports.cycleAcc = cycleAcc;
}