Date.prototype.format = function (format) {            var o = {                "M+": this.getMonth() + 1, //month                "d+": this.getDate(),    //day                "h+": this.getHours(),   //hour                "m+": this.getMinutes(), //minute                "s+": this.getSeconds(), //second                "q+": Math.floor((this.getMonth() + 3) / 3),  //quarter                "S": this.getMilliseconds() //millisecond            }            if (/(y+)/.test(format)) format = format.replace(RegExp.$1,        (this.getFullYear() + "").substr(4 - RegExp.$1.length));            for (var k in o) if (new RegExp("(" + k + ")").test(format))                format = format.replace(RegExp.$1,        RegExp.$1.length == 1 ? o[k] :        ("00" + o[k]).substr(("" + o[k]).length));            return format;        }