Date.dayNames=["Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"];Date.abbrDayNames=["Sun","Mon","Tue","Wed","Thu","Fri","Sat"];Date.monthNames=["January","February","March","April","May","June","July","August","September","October","November","December"];Date.abbrMonthNames=["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"];Date.firstDayOfWeek=1;Date.format="dd/mm/yyyy";Date.fullYearStart="20";(function(){function add(name,method){if(!Date.prototype[name]){Date.prototype[name]=method;}}add("isLeapYear",function(){var y=this.getFullYear();return(y%4==0&&y%100!=0)||y%400==0;});add("isWeekend",function(){return this.getDay()==0||this.getDay()==6;});add("isWeekDay",function(){return !this.isWeekend();});add("getDaysInMonth",function(){return[31,(this.isLeapYear()?29:28),31,30,31,30,31,31,30,31,30,31][this.getMonth()];});add("getDayName",function(abbreviated){return abbreviated?Date.abbrDayNames[this.getDay()]:Date.dayNames[this.getDay()];});add("getMonthName",function(abbreviated){return abbreviated?Date.abbrMonthNames[this.getMonth()]:Date.monthNames[this.getMonth()];});add("getDayOfYear",function(){var tmpdtm=new Date("1/1/"+this.getFullYear());return Math.floor((this.getTime()-tmpdtm.getTime())/86400000);});add("getWeekOfYear",function(){return Math.ceil(this.getDayOfYear()/7);});add("setDayOfYear",function(day){this.setMonth(0);this.setDate(day);return this;});add("addYears",function(num){this.setFullYear(this.getFullYear()+num);return this;});add("addMonths",function(num){var tmpdtm=this.getDate();this.setMonth(this.getMonth()+num);if(tmpdtm>this.getDate()){this.addDays(-this.getDate());}return this;});add("addDays",function(num){this.setDate(this.getDate()+num);return this;});add("addHours",function(num){this.setHours(this.getHours()+num);return this;});add("addMinutes",function(num){this.setMinutes(this.getMinutes()+num);return this;});add("addSeconds",function(num){this.setSeconds(this.getSeconds()+num);return this;});add("zeroTime",function(){this.setMilliseconds(0);this.setSeconds(0);this.setMinutes(0);this.setHours(0);return this;});add("asString",function(){var r=Date.format;return r.split("yyyy").join(this.getFullYear()).split("yy").join((this.getFullYear()+"").substring(2)).split("mmm").join(this.getMonthName(true)).split("mm").join(_zeroPad(this.getMonth()+1)).split("dd").join(_zeroPad(this.getDate()));});Date.fromString=function(s){var f=Date.format;var d=new Date("01/01/1977");var iY=f.indexOf("yyyy");if(iY>-1){d.setFullYear(Number(s.substr(iY,4)));}else{d.setFullYear(Number(Date.fullYearStart+s.substr(f.indexOf("yy"),2)));}var iM=f.indexOf("mmm");if(iM>-1){var mStr=s.substr(iM,3);for(var i=0;i<Date.abbrMonthNames.length;i++){if(Date.abbrMonthNames[i]==mStr){break;}}d.setMonth(i);}else{d.setMonth(Number(s.substr(f.indexOf("mm"),2))-1);}d.setDate(Number(s.substr(f.indexOf("dd"),2)));if(isNaN(d.getTime())){return false;}return d;};var _zeroPad=function(num){var s="0"+num;return s.substring(s.length-2);};})();