//Date.dayNames = ['\u65e5', '\u4e00', '\u4e8c', '\u4e09', '\u56db', '\u4e94', '\u516d'];
//Date.abbrDayNames = ['\u65e5', '\u4e00', '\u4e8c', '\u4e09', '\u56db', '\u4e94', '\u516d'];
//Date.monthNames = ['\u4e00\u6708','\u4e8c\u6708','\u4e09\u6708','\u56db\u6708','\u4e94\u6708','\u516d\u6708','\u4e03\u6708','\u516b\u6708','\u4e5d\u6708','\u5341\u6708','\u5341\u4e00\u6708','\u5341\u4e8c\u6708'];

var ObjDate1;
var ObjDate2;
var currentObj;
$(window).resize(function() {
    if (currentObj) {
        var t = $(currentObj).offset().top + 25;
        var l = $(currentObj).offset().left -($(currentObj).width()+ 150);
        $("#dp-popup").css({ left: l, top: t });
    }
});


//Date.dayNames = ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'];
//Date.abbrDayNames = ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'];
//Date.monthNames = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
//Date.abbrMonthNames = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];

Date.firstDayOfWeek = 0;
Date.format = 'yyyy-mm-dd';
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) {
        var c = this.getDate();
        this.setDate(c + num);
        if (this.getDate() == c)
            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)
    };

})();