gistfile1.js

    reduce:function(key, values, rereduce) {
	function addPropertiesTogether(addTo,addFrom){
	    for (var prop in addFrom) {
		(addTo[prop] !== undefined) ? addTo[prop] += Number(addFrom[prop]): addTo[prop] = Number(addFrom[prop]);
	    }
	    return addTo;
	};
	return values.reduce(addPropertiesTogether,{});
    }