data.chinahighlights.com/js/zodiacsearch.js

var LunarDate = {
  madd: new Array(0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334),
  HsString: '甲乙丙丁戊己庚辛壬癸',
  EbString: '子丑寅卯辰巳午未申酉戌亥',
  NumString: "一二三四五六七八九十",
  MonString: "正二三四五六七八九十冬腊",
  CalendarData: new Array(0xA4B, 0x5164B, 0x6A5, 0x6D4, 0x415B5, 0x2B6, 0x957, 0x2092F, 0x497, 0x60C96, 0xD4A, 0xEA5, 0x50DA9, 0x5AD, 0x2B6, 0x3126E, 0x92E, 0x7192D, 0xC95, 0xD4A, 0x61B4A, 0xB55, 0x56A, 0x4155B, 0x25D, 0x92D, 0x2192B, 0xA95, 0x71695, 0x6CA, 0xB55, 0x50AB5, 0x4DA, 0xA5B, 0x30A57, 0x52B, 0x8152A, 0xE95, 0x6AA, 0x615AA, 0xAB5, 0x4B6, 0x414AE, 0xA57, 0x526, 0x31D26, 0xD95, 0x70B55, 0x56A, 0x96D, 0x5095D, 0x4AD, 0xA4D, 0x41A4D, 0xD25, 0x81AA5, 0xB54, 0xB6A, 0x612DA, 0x95B, 0x49B, 0x41497, 0xA4B, 0xA164B, 0x6A5, 0x6D4, 0x615B4, 0xAB6, 0x957, 0x5092F, 0x497, 0x64B, 0x30D4A, 0xEA5, 0x80D65, 0x5AC, 0xAB6, 0x5126D, 0x92E, 0xC96, 0x41A95, 0xD4A, 0xDA5, 0x20B55, 0x56A, 0x7155B, 0x25D, 0x92D, 0x5192B, 0xA95, 0xB4A, 0x416AA, 0xAD5, 0x90AB5, 0x4BA, 0xA5B, 0x60A57, 0x52B, 0xA93, 0x40E95),
  Year: null,
  Month: null,
  Day: null,
  TheDate: null,
  GetBit: function(m, n) {
    return (m >> n) & 1;
  },
  e2c: function() {
    this.TheDate = (arguments.length != 3) ? new Date() : new Date(arguments[0], arguments[1], arguments[2]);
    var total, m, n, k;
    var isEnd = false;
    var tmp = this.TheDate.getFullYear();
    total = (tmp - 1921) * 365 + Math.floor((tmp - 1921) / 4) + this.madd[this.TheDate.getMonth()] + this.TheDate.getDate() - 38;
    if (this.TheDate.getYear() % 4 == 0 && this.TheDate.getMonth() > 1) {
      total++;
    }
    for (m = 0;; m++) {
      k = (this.CalendarData[m] < 0xfff) ? 11 : 12;
      for (n = k; n >= 0; n--) {
        if (total <= 29 + this.GetBit(this.CalendarData[m], n)) {
          isEnd = true;
          break;
        }
        total = total - 29 - this.GetBit(this.CalendarData[m], n);
      }
      if (isEnd)
        break;
    }
    this.Year = 1921 + m;
    this.Month = k - n + 1;
    this.Day = total;
    if (k == 12) {
      if (this.Month == Math.floor(this.CalendarData[m] / 0x10000) + 1) {
        this.Month = 1 - this.Month;
      }
      if (this.Month > Math.floor(this.CalendarData[m] / 0x10000) + 1) {
        this.Month--;
      }
    }
  },
  GetcDateString: function() {
    var tmp = "";
    tmp += this.HsString.charAt((this.Year - 4) % 10);
    tmp += this.EbString.charAt((this.Year - 4) % 12);
    tmp += "年 ";
    if (this.Month < 1) {
      tmp += "(闰)";
      tmp += this.MonString.charAt(-this.Month - 1);
    } else {
      tmp += this.MonString.charAt(this.Month - 1);
    }
    tmp += "月";
    tmp += (this.Day < 11) ? "初" : ((this.Day < 20) ? "十" : ((this.Day < 30) ? "廿" : "三十"));
    if (this.Day % 10 != 0 || this.Day == 10) {
      tmp += this.NumString.charAt((this.Day - 1) % 10);
    }
    return tmp;
  },
  GetLunarDay: function(solarYear, solarMonth, solarDay) {
    if (solarYear < 1921 || solarYear > 2020) {
      return "";
    } else {
      solarMonth = (parseInt(solarMonth) > 0) ? (solarMonth - 1) : 11;
      this.e2c(solarYear, solarMonth, solarDay);
      return this.GetcDateString();
    }
  }
};

var rat = {
  name: "Rat",
  luckyColors: "blue, gold, green",
  luckyNumbers: "2, 3",
  work: "/pic/star/five-stars.png",
  wealth: "/pic/star/five-stars.png",
  love: "/pic/star/four-stars.png",
  health: "/pic/star/three-stars.png"
};
var ox = {
  name: "Ox",
  luckyColors: "blue, yellow, green",
  luckyNumbers: "1, 4",
  work: "/pic/star/three-stars.png",
  wealth: "/pic/star/two-stars.png",
  love: "/pic/star/three-stars.png",
  health: "/pic/star/two-stars.png"
};
var tiger = {
  name: "Tiger",
  luckyColors: "blue, grey, white, orange",
  luckyNumbers: "1, 3, 4",
  work: "/pic/star/four-stars.png",
  wealth: "/pic/star/three-stars.png",
  love: "/pic/star/four-stars.png",
  health: "/pic/star/three-stars.png"
};
var rabbit = {
  name: "Rabbit",
  luckyColors: "red, pink, purple, blue",
  luckyNumbers: "3, 4, 9",
  work: "/pic/star/four-stars.png",
  wealth: "/pic/star/three-stars.png",
  love: "/pic/star/three-stars.png",
  health: "/pic/star/three-stars.png"
};
var dragon = {
  name: "Dragon",
  luckyColors: "gold, silver, grayish white",
  luckyNumbers: "1, 6, 7",
  work: "/pic/star/two-stars.png",
  wealth: "/pic/star/two-stars.png",
  love: "/pic/star/three-stars.png",
  health: "/pic/star/two-stars.png"
};
var snake = {
  name: "Snake",
  luckyColors: "red, pale yellow, black",
  luckyNumbers: "2, 8, 9",
  work: "/pic/star/four-stars.png",
  wealth: "/pic/star/four-stars.png",
  love: "/pic/star/three-stars.png",
  health: "/pic/star/two-stars.png"
};
var horse = {
  name: "Horse",
  luckyColors: "green, red, purple",
  luckyNumbers: "3, 4, 9",
  work: "/pic/star/four-stars.png",
  wealth: "/pic/star/three-stars.png",
  love: "/pic/star/two-stars.png",
  health: "/pic/star/two-stars.png"
};
var goat = {
  name: "Goat",
  luckyColors: "brown, red, purple",
  luckyNumbers: "2, 7",
  work: "/pic/star/two-stars.png",
  wealth: "/pic/star/two-stars.png",
  love: "/pic/star/two-stars.png",
  health: "/pic/star/four-stars.png"
};
var monkey = {
  name: "Monkey",
  luckyColors: "white, gold, blue",
  luckyNumbers: "1, 7, 8",
  work: "/pic/star/five-stars.png",
  wealth: "/pic/star/three-stars.png",
  love: "/pic/star/four-stars.png",
  health: "/pic/star/two-stars.png"
};
var rooster = {
  name: "Rooster",
  luckyColors: "gold, brown, yellow",
  luckyNumbers: "5, 7, 8",
  work: "/pic/star/five-stars.png",
  wealth: "/pic/star/four-stars.png",
  love: "/pic/star/four-stars.png",
  health: "/pic/star/three-stars.png"
};
var dog = {
  name: "Dog",
  luckyColors: "green, red, purple",
  luckyNumbers: "3,4,9",
  work: "/pic/star/four-stars.png",
  wealth: "/pic/star/three-stars.png",
  love: "/pic/star/three-stars.png",
  health: "/pic/star/two-stars.png"
};
var pig = {
  name: "Pig",
  luckyColors: "yellow, gray, brown, gold",
  luckyNumbers: "2, 5, 8",
  work: "/pic/star/four-stars.png",
  wealth: "/pic/star/three-stars.png",
  love: "/pic/star/four-stars.png",
  health: "/pic/star/three-stars.png"
};

function dozodiacsearch() {
  var year = document.getElementById('yr').value;
  var month = document.getElementById('mn').value
  var day = document.getElementById('dy').value
  if (year.length <= 0 || month.length <= 0 || day.length <= 0) {
    return false;
  }

  LunarDate.GetLunarDay(year, month, day);
  var lunarYear = LunarDate.Year;

  //通过获取到的年份信息进行生肖的计算
  //获取到的年份-1900的基数，与12求余
  var remainder = (lunarYear - 1900) % 12;
  //根据求余的数确定生肖
  zodiacList = [
    rat, ox, tiger, rabbit, dragon, snake,
    horse, goat, monkey, rooster, dog, pig
  ];
  var zodiac = zodiacList[remainder];
  document.getElementById('zodiacYear').innerText = 'Your Luck in 2021';
  document.getElementById('zodiacName').innerText = zodiac.name;
  document.getElementById('zodiacLuckyNumbers').innerText = zodiac.luckyNumbers;
  document.getElementById('zodiacLuckyColors').innerText = zodiac.luckyColors;

  document.getElementById('zodiacWork').setAttribute("src", zodiac.work);
  document.getElementById('zodiacWealth').setAttribute("src", zodiac.wealth);
  document.getElementById('zodiacLove').setAttribute("src", zodiac.love);
  document.getElementById('zodiacHealth').setAttribute("src", zodiac.health);

  var zodiacLink = document.getElementById('zodiacHealth');
  zodiacLink.setAttribute(
    "href",
    "//www.chinahighlights.com/travelguide/chinese-zodiac/" +
    zodiac.name.toLowerCase() + ".htm");
  zodiacLink.innerText = 'More about zodiac "' + zodiac.name + '"';
  document.getElementById('idzodiac').style.display = '';
}