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;
						}