﻿<!--
var months = new Array("一月", "二月", "三月", "四月", "五月", "六月", "七月", "八月", "九月", "十月", "十一月", "十二月");
var daysInMonth = new Array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
var days = new Array("日", "一", "二", "三", "四", "五", "六");
var today;

document.writeln("<div id='Calendar' style='position:absolute; z-index:1; visibility: hidden; filter:\"progid:DXImageTransform.Microsoft.Shadow(direction=135,color=#999999,strength=3)\"'></div>");
function registevent() {
    if (window.Event) {
        window.constructor.prototype.__defineGetter__("event", function() {
            var o = arguments.callee.caller;
            var e;
            while (o != null) {
                e = o.arguments[0];
                //alert("e="+e+" e.constructor="+e.constructor);
                if (e && (e.constructor == Event || e.constructor == MouseEvent)) return e;
                o = o.caller;
            }
            return null;
        });
    }
}
function getDays(month, year) {
    //下面的这段代码是判断当前是否是闰年的 
    if (1 == month)
        return ((0 == year % 4) && (0 != (year % 100))) || (0 == year % 400) ? 29 : 28;
    else
        return daysInMonth[month];
}

function getToday() {
    //得到今天的年,月,日 
    this.now = new Date();
    this.year = this.now.getFullYear();
    this.month = this.now.getMonth();
    this.day = this.now.getDate();
}

function getStringDay(str) {
    //得到输入框的年,月,日
    var str = str.split("-")

    this.now = new Date(parseFloat(str[0]), parseFloat(str[1]) - 1, parseFloat(str[2]));
    this.year = this.now.getFullYear();
    this.month = this.now.getMonth();
    this.day = this.now.getDate();
}

function newCalendar() {
    var parseYear = parseInt(document.getElementById("Year").options[document.getElementById("Year").selectedIndex].value);
    var newCal = new Date(parseYear, document.getElementById("Month").selectedIndex, 1);
    var day = -1;
    var startDay = newCal.getDay();
    var daily = 0;

    if ((today.year == newCal.getFullYear()) && (today.month == newCal.getMonth()))
        day = today.day;
    // var tableCal = document.all.calendar2;  alert(tableCal);
    var tableCal = document.getElementById("calendar2");
    var intDaysInMonth = getDays(newCal.getMonth(), newCal.getFullYear());

    for (var intWeek = 1; intWeek < tableCal.rows.length; intWeek++) {
        for (var intDay = 0; intDay < tableCal.rows[intWeek].cells.length; intDay++) {
            var cell = tableCal.rows[intWeek].cells[intDay];
            if ((intDay == startDay) && (0 == daily))
                daily = 1;

            if ((daily > 0) && (daily <= intDaysInMonth)) {
                cell.innerHTML = daily;
                daily++;
            }
            else
                cell.innerHTML = "";

            if (day == daily) //今天，调用今天的Class 
            {
                cell.style.background = '#6699CC';
                cell.style.color = '#FFFFFF';
                //cell.style.fontWeight='bold';
            }
            else if (intDay == 6) //周六 
                cell.style.color = 'green';
            else if (intDay == 0) //周日 
                cell.style.color = 'red';

        }
    }
}

function GetDate(InputBox) {
    var sDate;
    var month, day;
    registevent();
    var srcele = event.srcElement ? event.srcElement : event.target;
    //这段代码处理鼠标点击的情况
    if (srcele.tagName == "TD")
        if (srcele.innerHTML != "") {
        //sDate = document.all.Year.value + "-" + document.all.Month.value + "-" + event.srcElement.innerText;
        month = document.getElementById("Month").value;
        if (month.length == 1)
            month = "0" + month;
        day = srcele.innerHTML;
        if (day.length == 1)
            day = "0" + day;
        sDate = document.getElementById("Year").value + "-" + month + "-" + day;
        eval("document.getElementById(InputBox)").value = sDate;
        HiddenCalendar();
    }
}

function HiddenCalendar() {
    //关闭选择窗口
    document.getElementById("Calendar").style.visibility = 'hidden';
}

function ShowCalendar(InputBox) {
    var x, y, intLoop, intWeeks, intDays;
    var DivContent;
    var year, month, day;
    // var o=eval("document.all."+InputBox);
    var o = eval("document.getElementById(InputBox)");
    var thisyear; //真正的今年年份

    thisyear = new getToday();
    thisyear = thisyear.year;

    today = o.value;
    if (isDate(today))
        today = new getStringDay(today);
    else
        today = new getToday();

    //显示的位置
    x = o.offsetLeft;
    y = o.offsetTop;
    while (o = o.offsetParent) {
        x += o.offsetLeft;
        y += o.offsetTop;
    }
    document.getElementById("Calendar").style.left = x + 2 + "px";
    document.getElementById("Calendar").style.top = y + 20 + "px";
    document.getElementById("Calendar").style.visibility = "visible";

    //下面开始输出日历表格(border-color:#9DBAF7)
    DivContent = "<table border='0' cellspacing='0' style='border:1px solid #0066FF; background-color:#EDF2FC'>";
    DivContent += "<tr>";
    DivContent += "<td style='border-bottom:1px solid #0066FF; background-color:#C7D8FA'>";

    //年
    DivContent += "<select name='Year' id='Year' onChange='newCalendar()' style='font-family:Verdana; font-size:12px'>";
    for (intLoop = thisyear - 80; intLoop < (thisyear + 4); intLoop++)
        DivContent += "<option value= " + intLoop + " " + (today.year == intLoop ? "Selected" : "") + ">" + intLoop + "</option>";
    DivContent += "</select>";

    //月
    DivContent += "<select name='Month' id='Month' onChange='newCalendar()' style='font-family:Verdana; font-size:12px'>";
    for (intLoop = 0; intLoop < months.length; intLoop++)
        DivContent += "<option value= " + (intLoop + 1) + " " + (today.month == intLoop ? "Selected" : "") + ">" + months[intLoop] + "</option>";
    DivContent += "</select>";

    DivContent += "</td>";

    DivContent += "<td style='border-bottom:1px solid #0066FF; background-color:#C7D8FA; font-weight:bold;  font-size:12px; padding-top:2px; color:#4477FF; cursor:pointer' align='center' title='关闭' onClick='javascript:HiddenCalendar()'>关闭</td>";
    DivContent += "</tr>";

    DivContent += "<tr><td align='center' colspan='2'>";
    DivContent += "<table id='calendar2' border='0' width='100%'>";

    //星期
    DivContent += "<tr>";
    for (intLoop = 0; intLoop < days.length; intLoop++)
        DivContent += "<td align='center' style='font-size:12px'>" + days[intLoop] + "</td>";
    DivContent += "</tr>";

    //天
    for (intWeeks = 0; intWeeks < 6; intWeeks++) {
        DivContent += "<tr>";
        for (intDays = 0; intDays < days.length; intDays++)
            DivContent += "<td onClick='GetDate(\"" + InputBox + "\")' style='cursor:pointer; border-right:1px solid #BBBBBB; border-bottom:1px solid #BBBBBB; color:#215DC6; font-family:Verdana; font-size:12px' align='center'></td>";
        DivContent += "</tr>";
    }
    DivContent += "</table></td></tr></table>";

    document.getElementById("Calendar").innerHTML = DivContent;
    newCalendar();
}

function isDate(dateStr) {
    var datePat = /^(\d{4})(\-)(\d{1,2})(\-)(\d{1,2})$/;
    var matchArray = dateStr.match(datePat);
    if (matchArray == null) return false;
    var month = matchArray[3];
    var day = matchArray[5];
    var year = matchArray[1];
    if (month < 1 || month > 12) return false;
    if (day < 1 || day > 31) return false;
    if ((month == 4 || month == 6 || month == 9 || month == 11) && day == 31) return false;
    if (month == 2) {
        var isleap = (year % 4 == 0 && (year % 100 != 0 || year % 400 == 0));
        if (day > 29 || (day == 29 && !isleap)) return false;
    }
    return true;
}

// --> 