// JavaScript Document
var date_start,date_end,g_object
var today = new Date();
var separator = "-";
var inover = false;

//mode :时间变换的类型0-年 1-月 2-直接选择月

function change_date(temp, mode)
{
    var t_month,t_year
    if (mode) {
        if (mode == 1)
            t_month = parseInt(cele_date_month.value, 10) + parseInt(temp, 10);
        else
            t_month = parseInt(temp)
        if (t_month < cele_date_month.options(0).text) {
            cele_date_month.value = cele_date_month.options(cele_date_month.length - 1).text;
            change_date(parseInt(cele_date_year.value, 10) - 1, 0);
        }
        else {
            if (t_month > cele_date_month.options(cele_date_month.length - 1).text) {
                cele_date_month.value = cele_date_month.options(0).text;
                change_date(parseInt(cele_date_year.value, 10) + 1, 0);
            }
            else
            {
                cele_date_month.value = t_month;
                set_cele_date(cele_date_year.value, cele_date_month.value);
            }
        }
    }
    else {
        t_year = parseInt(temp, 10);

        if (t_year < cele_date_year.options(0).text) {
            cele_date_year.value = cele_date_year.options(0).text;
            set_cele_date(cele_date_year.value, 1);
        }
        else {
            if (parseInt(t_year, 10) > parseInt(cele_date_year.options(cele_date_year.length - 1).text, 10)) {
                cele_date_year.value = cele_date_year.options(cele_date_year.length - 1).text;
                set_cele_date(cele_date_year.value, 12);
            }
            else
            {
                cele_date_year.value = t_year;
                set_cele_date(cele_date_year.value, cele_date_month.value);
            }
        }
    }
    /*********2002-02-01 MODIFY BY WING **************/
    window.cele_date.focus();
    /****************MODIFY END***********************/
}

//初始化日历

function init(d_start, d_end)
{
    var temp_str;
    var i = 0
    var j = 0
    date_start = new Date(1980, 7, 1)
    date_end = new Date(2004, 8, 1)
    document.writeln("<div name=\"cele_date\" id=\"cele_date\"  style=\"display:none\"    style=\"LEFT: 69px; POSITION: absolute; TOP: 150px;Z-INDEX:99\" onClick=\"event.cancelBubble=true;\" onBlur=\"hilayer()\" onMouseout=\"lostlayerfocus()\">-</div>");
    temp_str = "<table border=\"1\" bgcolor=\"#ffA633\" bordercolor=\"white\"><tr><td class=date colspan=7 onmouseover=\"overcolor(this)\">";
    temp_str += "<input type=\"Button\" value=\"<<\" onclick=\"change_date(-1,1)\" onmouseover=\"getlayerfocus()\" style=\"color: #000099; background-color: #BFBFBF; cursor: hand\">-";

    temp_str += ""
    temp_str += "<select name=\"cele_date_year\" id=\"cele_date_year\" language=\"javascript\" onchange=\"change_date(this.value,0)\" onmouseover=\"getlayerfocus()\" onblur=\"getlayerfocus()\" style=\"font-size: 9pt; border: 1px #666666 outset; background-color: #F4F8FB\">"

    for (i = 1900; i <= 2020; i++)
    {
        temp_str += "<OPTION value=\"" + i.toString() + "\">" + i.toString() + "</OPTION>";
    }
    temp_str += "</select>-";
    temp_str += ""
    temp_str += "<select name=\"cele_date_month\" id=\"cele_date_month\" language=\"javascript\" onchange=\"change_date(this.value,2)\" onmouseover=\"getlayerfocus()\" onblur=\"getlayerfocus()\" style=\"font-size: 9pt; border: 1px #666666 outset; background-color: #F4F8FB\">"

    for (i = 1; i <= 12; i++)
    {
        temp_str += "<OPTION value=\"" + i.toString() + "\">" + i.toString() + "</OPTION>";
    }
    temp_str += "</select>-";
    temp_str += ""
    temp_str += "<input type=\"Button\" value=\">>\" onclick=\"change_date(1,1)\" onmouseover=\"getlayerfocus()\"  style=\"color: #000099; background-color: #BFBFBF; cursor: hand\">";

    temp_str += "</td></tr><tr><td class=date onmouseover=\"overcolor(this)\">"
    temp_str += "<font color=red>日</font></td><td class=date>";
    temp_str += "一</td><td class=date>";
    temp_str += "二</td><td class=date>";
    temp_str += "三</td><td class=date>"
    temp_str += "四</td><td class=date>";
    temp_str += "五</td><td class=date>";
    temp_str += "六</td></tr>";
    for (i = 1; i <= 6; i++)
    {
        temp_str += "<tr>";
        for (j = 1; j <= 7; j++) {

            temp_str += "<td name=\"c" + i + "_" + j + "\"id=\"c" + i + "_" + j + "\" align=center class=date style=\"CURSOR: hand\" style=\"COLOR:#000000\" language=\"javascript\" onmouseover=\"overcolor(this)\" onmouseout=\"outcolor(this)\" onclick=\"td_click(this)\">?</td>"
        }
        temp_str += "</tr>"
    }
    temp_str += "</td></tr></table>";
    window.cele_date.innerHTML = temp_str;
}
function set_cele_date(year, month)
{
    var i,j,p,k
    var nd = new Date(year, month - 1, 1);
    event.cancelBubble = true;
    cele_date_year.value = year;
    cele_date_month.value = month;
    k = nd.getDay() - 1
    var temp;
    for (i = 1; i <= 6; i++)
        for (j = 1; j <= 7; j++)
        {
            eval("c" + i + "_" + j + ".innerHTML=\"\"");
            eval("c" + i + "_" + j + ".bgColor=\"#DDDDDD\"");
            eval("c" + i + "_" + j + ".style.cursor=\"hand\"");
        }
    while (month - 1 == nd.getMonth())
    {
        j = (nd.getDay() + 1);
        p = parseInt((nd.getDate() + k) / 7) + 1;
        eval("c" + p + "_" + j + ".innerHTML=" + "\"" + nd.getDate() + "\"");
        if ((nd.getDate() == today.getDate()) && (cele_date_month.value == today.getMonth() + 1) && (cele_date_year.value == today.getYear())) {
            eval("c" + p + "_" + j + ".bgColor=\"#EFFB64\"");
        }
        if (nd > date_end || nd < date_start)
        {
            eval("c" + p + "_" + j + ".bgColor=\"#FF9999\"");
            eval("c" + p + "_" + j + ".style.cursor=\"text\"");
        }
        nd = new Date(nd.valueOf() + 86400000)
    }
}

//s_object：点击的对象；d_start-d_end有效的时间区段；需要存放值的控件；

function show_cele_date(eP, d_start, d_end, t_object)
{
    window.cele_date.style.display = "";
    window.cele_date.style.zIndex = 99
    var s,cur_d
    var eT = eP.offsetTop;
    var eH = eP.offsetHeight + eT;
    var dH = window.cele_date.style.pixelHeight;
    var sT = document.body.scrollTop;
    var sL = document.body.scrollLeft;
    event.cancelBubble = true;
    window.cele_date.style.posLeft = event.clientX - event.offsetX + sL - 5 + 160;
    window.cele_date.style.posTop = event.clientY - event.offsetY + eH + sT - 5 - 25;
    if (window.cele_date.style.posLeft + window.cele_date.clientWidth > document.body.clientWidth) window.cele_date.style.posLeft += eP.offsetWidth - window.cele_date.clientWidth;
    if (d_start != "") {
        if (d_start == "today") {
            date_start = new Date(today.getYear(), today.getMonth(), today.getDate());
        } else {
            s = d_start.split(separator);
            date_start = new Date(s[0], s[1] - 1, s[2]);
        }
    } else {
        date_start = new Date(1900, 1, 1);
    }

    if (d_end != "") {
        s = d_end.split(separator);
        date_end = new Date(s[0], s[1] - 1, s[2]);
    } else {
        date_end = new Date(3000, 1, 1);
    }

    g_object = t_object

    cur_d = new Date()
    set_cele_date(cur_d.getYear(), cur_d.getMonth() + 1);
    window.cele_date.style.display = "block";

    window.cele_date.focus();

}
function td_click(t_object)
{
    var t_d
    if (parseInt(t_object.innerHTML, 10) >= 1 && parseInt(t_object.innerHTML, 10) <= 31)
    {
        t_d = new Date(cele_date_year.value, cele_date_month.value - 1, t_object.innerHTML)
        if (t_d <= date_end && t_d >= date_start)
        {
            var year = cele_date_year.value;
            var month = cele_date_month.value;
            var day = t_object.innerHTML;
            if (parseInt(month) < 10) month = "0" + month;
            if (parseInt(day) < 10) day = "0" + day;

            g_object.value = year + separator + month + separator + day;
            window.cele_date.style.display = "none";
        }
    }
}
function h_cele_date()
{
    window.cele_date.style.display = "none";
}

function overcolor(obj)
{
    if (obj.style.cursor == "hand") obj.style.color = "#FFFFFF";

    inover = true;
    window.cele_date.focus();

}

function outcolor(obj)
{
    obj.style.color = "#000000";
    inover = false;

}

function getNow(o) {
    var Stamp = new Date();
    var year = Stamp.getYear();
    var month = Stamp.getMonth() + 1;
    var day = Stamp.getDate();
    if (month < 10) {
        month = "0" + month;
    }
    if (day < 10) {
        day = "0" + day;
    }
    o.value = year + separator + month + separator + day;
}

function hilayer()
{
    if (inover == false)
    {
        var lay = document.all.cele_date;
        lay.style.display = "none";
    }

}
function getlayerfocus()
{
    inover = true;
}
function lostlayerfocus()
{
    inover = false;
}
init();