gistfile1.txt

Date.prototype.getWeekNumber = function(){
    var d = new Date(+this);
    d.setHours(0,0,0);
    d.setDate(d.getDate()+4-(d.getDay()||7));
    return Math.ceil((((d-new Date(d.getFullYear(),0,1))/8.64e7)+1)/7);
};

Array.prototype.mapProperty = function(property) {
	return this.map(function (obj) {
		return obj[property];
	});
};