var LunarMonth;
function cancel_email(el) {
var vl;
	var emailRegExp11 = /^([A-Za-z0-9._-]+)@([A-Za-z0-9-]+)\.([A-Za-z0-9-]+)\.([a-z]+).([a-z]+)$/;
	var emailRegExp12 = /^([A-Za-z0-9._-]+)@([A-Za-z0-9-]+)\.([a-z]+).([a-z]+)$/;
	var emailRegExp13 = /^([A-Za-z0-9._-]+)@([A-Za-z0-9-]+)\.([a-z]+)$/;
	var emailRegExp2 = /(drop)+/;
	var emailRegExp3 = /(delete)+/;
	//var el = document.getElementById(el_id);
	vl = el.value.toLowerCase();
	if (vl!=''){
	if (((emailRegExp11.test(vl))||(emailRegExp12.test(vl))||(emailRegExp13.test(vl))) &&
		(!emailRegExp2.test(vl)) &&
		(!emailRegExp3.test(vl))) {
		
	} else {
		window.alert('錯誤的e-mail');	
		el.focus();
	}}
}

function CalConv(Y,M,D,W){
    FIRSTYEAR = 1998;
    LASTYEAR = 2031;
    today = new Date();
    SolarYear = Y;
    SolarMonth = M;
    SolarDate = D;
    Weekday = W;

    LunarCal = [
        new tagLunarCal( 27, 5, 3, 43, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 0, 1 ),
        new tagLunarCal( 46, 0, 4, 48, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1, 0, 1 ), /* 1999 */
        new tagLunarCal( 35, 0, 5, 53, 1, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1 ), /* 2000 */
        new tagLunarCal( 23, 4, 0, 59, 1, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1 ),
        new tagLunarCal( 42, 0, 1, 4, 1, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1 ),
        new tagLunarCal( 31, 0, 2, 9, 1, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 0 ),
        new tagLunarCal( 21, 2, 3, 14, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1 ), /* 2004 */
        new tagLunarCal( 39, 0, 5, 20, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1 ),
        new tagLunarCal( 28, 7, 6, 25, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 1 ),
        new tagLunarCal( 48, 0, 0, 30, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1, 0, 1, 1 ),
        new tagLunarCal( 37, 0, 1, 35, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 1 ), /* 2008 */
        new tagLunarCal( 25, 5, 3, 41, 1, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1 ),
        new tagLunarCal( 44, 0, 4, 46, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1 ),
        new tagLunarCal( 33, 0, 5, 51, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1 ),
        new tagLunarCal( 22, 4, 6, 56, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0 ), /* 2012 */
        new tagLunarCal( 40, 0, 1, 2, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0 ),
        new tagLunarCal( 30, 9, 2, 7, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1 ),
        new tagLunarCal( 49, 0, 3, 12, 0, 1, 0, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1 ),
        new tagLunarCal( 38, 0, 4, 17, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 1, 0 ), /* 2016 */
        new tagLunarCal( 27, 6, 6, 23, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1, 1 ),
        new tagLunarCal( 46, 0, 0, 28, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1, 0 ),
        new tagLunarCal( 35, 0, 1, 33, 0, 1, 1, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0 ),
        new tagLunarCal( 24, 4, 2, 38, 0, 1, 1, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1 ), /* 2020 */
        new tagLunarCal( 42, 0, 4, 44, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1 ),
        new tagLunarCal( 31, 0, 5, 49, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0 ),
        new tagLunarCal( 21, 2, 6, 54, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1 ),
        new tagLunarCal( 40, 0, 0, 59, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 1, 0, 1 ), /* 2024 */
        new tagLunarCal( 28, 6, 2, 5, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1, 1, 0 ),
        new tagLunarCal( 47, 0, 3, 10, 1, 0, 1, 0, 0, 1, 0, 0, 1, 1, 1, 0, 1 ),
        new tagLunarCal( 36, 0, 4, 15, 1, 1, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1 ),
        new tagLunarCal( 25, 5, 5, 20, 1, 1, 1, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0 ), /* 2028 */
        new tagLunarCal( 43, 0, 0, 26, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1 ),
        new tagLunarCal( 32, 0, 1, 31, 1, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0 ),
        new tagLunarCal( 22, 3, 2, 36, 0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0 )
    ];

    /* 西曆年每月之日數 */
    SolarCal = [ 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 ];

    /* 西曆年每月之累積日數, 平年與閏年 */
    SolarDays = [
        0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365, 396,
        0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366, 397
    ];

    AnimalIdx = ["馬 ", "羊 ", "猴 ", "雞 ", "狗 ", "豬 ", "鼠 ", "牛 ", "虎 ", "兔 ", "龍 ", "蛇 "];
    LocationIdx = [ "南", "東", "北", "西"];

    if ( SolarYear <= FIRSTYEAR || SolarYear > LASTYEAR ) return 1;

    sm = SolarMonth - 1;

    if ( sm < 0 || sm > 11 ) return 2;

    leap = GetLeap( SolarYear );

    if ( sm == 1 )
        d = leap + 28;
    else
        d = SolarCal[sm];

    if ( SolarDate < 1 || SolarDate > d ) return 3;

    y = SolarYear - FIRSTYEAR;
    acc = SolarDays[ leap*14 + sm ] + SolarDate;
    kc = acc + LunarCal[y].BaseKanChih;
    Kan = kc % 10;
    Chih = kc % 12;
    Location = LocationIdx[kc % 4];
    
	Age = kc % 60;
    if ( Age < 22 )
        Age = 22 - Age;
    else
        Age = 82 - Age;
	k = (SolarYear%60)-19
	if ( acc <= LunarCal[y].BaseDays ){
		k -= 1; 
	}
    Age = (Age + k) % 60;

    if (Age < 10)
        Age=Age+60;

    Animal = AnimalIdx[ Chih ];

    if ( acc <= LunarCal[y].BaseDays ) {
        y--;
        LunarYear = SolarYear - 1;
        leap = GetLeap( LunarYear );
        sm += 12;
        acc = SolarDays[leap*14 + sm] + SolarDate;
    }
    else
        LunarYear = SolarYear;

    l1 = LunarCal[y].BaseDays;
    for ( i=0; i<13; i++ ) {
        l2 = l1 + LunarCal[y].MonthDays[i] + 29;
        if ( acc <= l2 ) break;
        l1 = l2;
    }

    LunarMonth = i + 1;
    LunarDate = acc - l1;
    im = LunarCal[y].Intercalation;

    if ( im != 0 && LunarMonth > im ) {
        LunarMonth--;
        if ( LunarMonth == im ) LunarMonth = -im;
    }

    if ( LunarMonth > 12 ) LunarMonth -= 12;
    document.write( "農曆 " + LunarMonth + "月 " + LunarDate + "日&nbsp;" );
    document.write( "沖" + Animal + Age + " 歲" + "煞" + Location ); 

    return 0;
}

/* 求此西曆年是否為閏年, 返回 0 為平年, 1 為閏年 */
function GetLeap( year ){
    if ( year % 400 == 0 )
        return 1;
    else if ( year % 100 == 0 )
        return 0;
    else if ( year % 4 == 0 )
        return 1;
    else
        return 0;
}

function tagLunarCal( d, i, w, k, m1, m2, m3, m4, m5, m6, m7, m8, m9, m10, m11, m12, m13) {
    this.BaseDays = d; /* 到西曆 1 月 1 日到農曆正月初一的累積日數 */
    this.Intercalation = i; /* 閏月月份. 0==此年沒有閏月 */
    this.BaseWeekday = w; /* 此年西曆 1 月 1 日為星期幾再減 1 */
    this.BaseKanChih = k; /* 此年西曆 1 月 1 日之干支序號減 1 */
    this.MonthDays = [ m1, m2, m3, m4, m5, m6, m7, m8, m9, m10, m11, m12, m13 ];/* 此農曆年每月之大小, 0==小月(29日), 1==大月(30日) */
}