/*
*	author: misshjn
*	email: misshjn@163.com
*	homepage: www.happyshow.org
*	createDate: 2007-02-23
*/
window.jumpurl = new Object(); 
window.linktext = new Object();
selectday = new Date();
function HS_DateAdd(interval, number, date) {
    number = parseInt(number);
    if (typeof (date) == "string") { var date = new Date(date.split("-")[0], date.split("-")[1], date.split("-")[2]) }
    if (typeof (date) == "object") { var date = date }
    switch (interval) {
        case "y": return new Date(date.getFullYear() + number, date.getMonth(), date.getDate()); break;
        case "m": return new Date(date.getFullYear(), date.getMonth() + number, checkDate(date.getFullYear(), date.getMonth() + number, date.getDate())); break;
        case "d": return new Date(date.getFullYear(), date.getMonth(), date.getDate() + number); break;
        case "w": return new Date(date.getFullYear(), date.getMonth(), 7 * number + date.getDate()); break;
    }
}
function checkDate(year, month, date) {
    var enddate = ["31", "28", "31", "30", "31", "30", "31", "31", "30", "31", "30", "31"];
    var returnDate = "";
    if (year % 4 == 0) { enddate[1] = "29" }
    if (date > enddate[month]) { returnDate = enddate[month] } else { returnDate = date }
    return returnDate;
}

function WeekDay(date) {
    var theDate;
    if (typeof (date) == "string") { theDate = new Date(date.split("-")[0], date.split("-")[1], date.split("-")[2]); }
    if (typeof (date) == "object") { theDate = date }
    return theDate.getDay();
}
function HS_calender() {
    var lis = "";
    var style = "";
    /*可以把下面的css剪切出去独立一个css文件*/
    style += "<style type='text/css'>";
    style += ".calender { width:170px; height:auto; font-size:12px; margin-right:14px; background:url(calenderbg.gif) no-repeat right center #fff; border:1px solid #397EAE; padding:1px}";
    style += ".calender ul {list-style-type:none; margin:0; padding:0;}";
    style += ".calender .day { background-color:#EDF5FF; height:20px;}";
    style += ".calender .day li,.calender .date li{ float:left; width:14%; height:20px; line-height:20px; text-align:center}";
    style += ".calender li a { text-decoration:none; font-family:Tahoma; font-size:11px; color:#333}";
    style += ".calender li a:hover { color:#f30; text-decoration:underline}";
    style += ".calender li a.hasArticle {font-weight:bold; color:#f60 !important}";
    style += ".lastMonthDate, .nextMonthDate {color:#bbb;font-size:11px}";
    style += ".selectThisYear a, .selectThisMonth a{text-decoration:none; margin:0 2px; color:#666; font-weight:bold}";
    style += ".calender .LastMonth, .calender .NextMonth{ text-decoration:none; color:#666; font-size:12px; font-weight:bold; line-height:16px;}";
    style += ".calender .LastMonth { float:left;}";
    style += ".calender .NextMonth { float:right;}";
    style += ".calenderBody {clear:both}";
    style += ".calenderTitle {text-align:center;height:20px; line-height:20px; clear:both}";
    style += ".caltoday { background-color:#ffffaa;border:1px solid #f60; padding:2px}";
    style += ".caltoday a { color:#f30; }";
    style += ".calenderBottom {clear:both; border-top:1px solid #ddd; padding: 3px 0; text-align:left}";
    style += ".calenderBottom a {text-decoration:none; margin:2px !important; font-weight:bold; color:#666}";
    style += ".calenderBottom a.closeCalender{float:right}";
    style += ".closeCalenderBox {float:right; border:1px solid #000; background:#fff; font-size:9px; width:11px; height:11px; line-height:11px; text-align:center;overflow:hidden; font-weight:normal !important}";
    style += "</style>";

    var now;
    if (typeof (arguments[0]) == "string") {
        selectDate = arguments[0].split("-");
        var year = selectDate[0];
        var month = parseInt(selectDate[1]) - 1 + "";
        var date = selectDate[2];
        now = new Date(year, month, date);
    } else if (typeof (arguments[0]) == "object") {
        now = arguments[0];
    }
    var lastMonthEndDate = HS_DateAdd("d", "-1", now.getFullYear() + "-" + now.getMonth() + "-01").getDate();
    var lastMonthDate = WeekDay(now.getFullYear() + "-" + now.getMonth() + "-01");
    var thisMonthLastDate = HS_DateAdd("d", "-1", now.getFullYear() + "-" + (parseInt(now.getMonth()) + 1).toString() + "-01");
    var thisMonthEndDate = thisMonthLastDate.getDate();
    var thisMonthEndDay = thisMonthLastDate.getDay();
    var todayObj = new Date();
    today = todayObj.getFullYear() + "-" + todayObj.getMonth() + "-" + todayObj.getDate();

    for (i = 0; i < lastMonthDate; i++) {  // Last Month's Date
        lis = "<li class='lastMonthDate'>" + lastMonthEndDate + "</li>" + lis;
        lastMonthEndDate--;
    }

    var nowString = new Date();
    var todayString = nowString.getFullYear() + "-" + (parseInt(nowString.getMonth()) + 1).toString() + "-" + nowString.getDate().toString();
    
    for (i = 1; i <= thisMonthEndDate; i++) { // Current Month's Date

        if (selectday.getFullYear() + "-" + selectday.getMonth() + "-" + selectday.getDate() == now.getFullYear() + "-" + now.getMonth() + "-" + i) {
            lis += "<li><a href='" + window.linktext + "' class='caltoday' onclick='_selectThisDay(this)' title='" + now.getFullYear() + "-" + (parseInt(now.getMonth()) + 1) + "-" + i + "'>" + i + "</a></li>";
        } else {
            lis += "<li><a href='" + window.linktext + "' onclick='_selectThisDay(this)' title='" + now.getFullYear() + "-" + (parseInt(now.getMonth()) + 1) + "-" + i + "'>" + i + "</a></li>";
        }

    }
    var j = 1;
    for (i = thisMonthEndDay; i < 6; i++) {  // Next Month's Date
        lis += "<li class='nextMonthDate'>" + j + "</li>";
        j++;
    }
    lis += style;

    var CalenderTitle = "<a href='" + window.linktext + "' class='NextMonth' onclick=HS_calender(HS_DateAdd('m',1,'" + now.getFullYear() + "-" + now.getMonth() + "-" + now.getDate() + "'),this) title='Next Month'>&raquo;</a>";
    CalenderTitle += "<a href='" + window.linktext + "' class='LastMonth' onclick=HS_calender(HS_DateAdd('m',-1,'" + now.getFullYear() + "-" + now.getMonth() + "-" + now.getDate() + "'),this) title='Previous Month'>&laquo;</a>";
    CalenderTitle += "<span class='selectThisYear'><a href='" + window.linktext + "' onclick='CalenderselectYear(this)' title='Click here to select other year' >" + now.getFullYear() + "</a></span>年<span class='selectThisMonth'><a href='" + window.linktext + "' onclick='CalenderselectMonth(this)' title='Click here to select other month'>" + (parseInt(now.getMonth()) + 1).toString() + "</a></span>月";

    if (arguments.length > 1) {
        arguments[1].parentNode.parentNode.getElementsByTagName("ul")[1].innerHTML = lis;
        arguments[1].parentNode.innerHTML = CalenderTitle;

    } else {
        var CalenderBox = style + "<div class='calender'><div class='calenderTitle'>" + CalenderTitle + "</div><div class='calenderBody'><ul class='day'><li>日</li><li>一</li><li>二</li><li>三</li><li>四</li><li>五</li><li>六</li></ul><ul class='date' id='thisMonthDate'>" + lis + "</ul></div><div class='calenderBottom'><a href='" + window.linktext + "' class='closeCalender' onclick='closeCalender(this)'>&times;</a><span><span><a href='" + window.linktext + "' onclick='_selectThisDay(this)' title='" + todayString + "'>Today</a></span></span></div></div>";
        return CalenderBox;
    }
}
function _selectThisDay(d) {
    var boxObj = d.parentNode.parentNode.parentNode.parentNode.parentNode;
    boxObj.targetObj.value = d.title;
    boxObj.parentNode.removeChild(boxObj);
    if (window.jumpurl != "") {
        window.location.href = window.jumpurl + d.title + "&bun=" + request.QueryString("bun");
    }
}
function closeCalender(d) {
    var boxObj = d.parentNode.parentNode.parentNode;
    boxObj.parentNode.removeChild(boxObj);
}

function CalenderselectYear(obj) {
    var opt = "";
    var thisYear = obj.innerHTML;
    for (i = 1970; i <= 2020; i++) {
        if (i == thisYear) {
            opt += "<option value=" + i + " selected>" + i + "</option>";
        } else {
            opt += "<option value=" + i + ">" + i + "</option>";
        }
    }
    opt = "<select onblur='selectThisYear(this)' onchange='selectThisYear(this)' style='font-size:11px'>" + opt + "</select>";
    obj.parentNode.innerHTML = opt;
}

function selectThisYear(obj) {
    HS_calender(obj.value + "-" + obj.parentNode.parentNode.getElementsByTagName("span")[1].getElementsByTagName("a")[0].innerHTML + "-1", obj.parentNode);
}

function CalenderselectMonth(obj) {
    var opt = "";
    var thisMonth = obj.innerHTML;
    for (i = 1; i <= 12; i++) {
        if (i == thisMonth) {
            opt += "<option value=" + i + " selected>" + i + "</option>";
        } else {
            opt += "<option value=" + i + ">" + i + "</option>";
        }
    }
    opt = "<select onblur='selectThisMonth(this)' onchange='selectThisMonth(this)' style='font-size:11px'>" + opt + "</select>";
    obj.parentNode.innerHTML = opt;
}
function selectThisMonth(obj) {
    HS_calender(obj.parentNode.parentNode.getElementsByTagName("span")[0].getElementsByTagName("a")[0].innerHTML + "-" + obj.value + "-1", obj.parentNode);
}


function HS_setDate(inputObj, jumpurl) {
    window.linktext = "javascript:void(0)";


    if (getOs() == "MSIE" && jumpurl != undefined) {
        window.linktext = "###";
    }
    window.jumpurl = jumpurl;
    var calenderObj = document.createElement("span");

    if (inputObj.value != "") {
        var selectDate = inputObj.value.split("-");
        var year = selectDate[0];
        var month = parseInt(selectDate[1]) - 1 + "";
        var date = selectDate[2];
        selectday = new Date(year, month, date);
    }
    else {
        selectday = new Date()    
    }

    calenderObj.innerHTML = HS_calender(selectday); //new Date()
    calenderObj.style.position = "absolute";
    calenderObj.style.zIndex = "10";
    calenderObj.targetObj = inputObj;
    inputObj.parentNode.insertBefore(calenderObj, inputObj.nextSibling);
}

function getOs() {
    var OsObject = "";
    if (navigator.userAgent.indexOf("MSIE") > 0) {
        return "MSIE";
    }
    if (isFirefox = navigator.userAgent.indexOf("Firefox") > 0) {
        return "Firefox";
    }
    if (isSafari = navigator.userAgent.indexOf("Safari") > 0) {
        return "Safari";
    }
    if (isCamino = navigator.userAgent.indexOf("Camino") > 0) {
        return "Camino";
    }
    if (isMozilla = navigator.userAgent.indexOf("Gecko") > 0) {
        return "Gecko";
    }

}