พี่ๆครับช่วยผมหน่อย ปฏิทินใช้บน firefox ไม่ได้ TT...........................

//Use ==> onclick="popUpCalendar(document.getElementById('ctl00_ContentPlaceHolder1_txtDate'));

//You can edit these variables
var fixedX = -1 // x position (-1 if to appear below control)
var fixedY = -1 // y position (-1 if to appear below control)
var startAt = 1 // 0 - sunday ; 1 - monday
var showWeekNumber = 1 // 0 - don't show; 1 - show
var showToday = 1 // 0 - don't show; 1 - show
var imgDir = "../image/calendar/" // directory for images ... e.g. var imgDir="/img/"
var gotoString = "Go To Current Month"
var todayString = "Today is"
var weekString = "Week"
var scrollLeftMessage = "Click to scroll to previous month. Hold mouse button to scroll automatically."
var scrollRightMessage = "Click to scroll to next month. Hold mouse button to scroll automatically."
var selectMonthMessage = "Click to select a month."
var selectYearMessage = "Click to select a year."
var selectDateMessage = "Select [date] as date." // do not replace [date], it will be replaced by date.
var monthName = new Array("January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December")

var gotoThaiString = "ไปยังเดือนปัจจุบัน"
var todayThaiString = "วันนี้วัน"
var weekThaiString = "สัปดาห์"
var scrollLeftThaiMessage = "กดเพื่อเลื่อนไปเดือนที่แล้ว , กดค้างไว้เพื่อเลื่อนอัตโนมัติ"
var scrollRightThaiMessage = "กดเพื่อเลื่อนไปเดือนถัดไป , กดค้างไว้เพื่อเลื่อนอัตโนมัติ"
var selectMonthThaiMessage = "กดเพื่อเลือกวัน"
var selectYearThaiMessage = "กดเพื่อเลือกปี"
var selectDateThaiMessage = "เลือก [date] " // do not replace [date], it will be replaced by date.
var tmonthName = new Array("มกราคม", "กุมภาพันธ์", "มีนาคม", "เมษายน", "พฤษภาคม", "มิถุนายน", "กรกฏาคม", "สิงหาคม", "กันยายน", "ตุลาคม", "พฤศจิกายน", "ธันวาคม")
var tmonthNameSub = new Array("ม.ค.", "ก.พ.", "มี.ค.", "เม.ย.", "พ.ค.", "มิ.ย.", "ก.ค.", "ส.ค.", "ก.ย.", "ต.ค.", "พ.ย.", "ธ.ค.")

var styleAnchor = "text-decoration:none;color:black;"
var styleLightBorder = "border-style:solid;border-width:1px;border-color:#a0a0a0;"
var imgsrc = new Array("drop1.gif", "drop2.gif", "left1.gif", "left2.gif", "right1.gif", "right2.gif")

//Don't Edit these variables
var crossobj, crossMonthObj, crossYearObj, monthSelected, yearSelected, dateSelected, omonthSelected, oyearSelected, odateSelected, monthConstructed, yearConstructed, intervalID1, intervalID2, timeoutID1, timeoutID2, ctlToPlaceValue, ctlNow, dateFormat, nStartingYear
var bPageLoaded = false
var ie = document.all
var dom = document.getElementById
var ns4 = document.layers
var today = new Date()
var dateNow = today.getDate()
var monthNow = today.getMonth()
var yearNow = today.getYear()
var img = new Array()
var bShow = false;
var HolidaysCounter = 0
var Holidays = new Array()
var nowLang = "E"

function initPopupCalendar() {
    if (dom) {
        for (i = 0; i < imgsrc.length; i++) {
            img[i] = new Image
            img[i].src = imgDir + imgsrc[i]
        }
       

        //------------ Modify for over listbox -------------//
        document.write("<div id='mask' style='position:absolute;visibility:hidden;'><iframe src='' width='0' height='0' frameborder=0 id='framemask'></iframe></div>");
        document.write("<div id='monthmask' style='position:absolute;visibility:hidden;'><iframe src='' width='0' height='0' frameborder=0 id='framemonthmask'></iframe></div>");
        document.write("<div id='yearmask' style='position:absolute;visibility:hidden;'><iframe src='' width='0' height='0' frameborder=0 id='frameyearmask'></iframe></div>");
        //------------ Modify for over listbox -------------//

        document.write("<div onclick='bShow=true' id='calendar'style='z-index:+999;position:absolute;visibility:hidden;'><table	width=" + ((showWeekNumber == 1) ? 250 : 220) + " style='font-family:arial;font-size:11px;border-width:1;border-style:solid;border-color:#a0a0a0;font-family:arial; font-size:11px}' bgcolor='#ffffff'><tr bgcolor='#0000aa'><td><table width='" + ((showWeekNumber == 1) ? 248 : 218) + "'><tr><td style='padding:2px;font-family:arial; font-size:11px;'><font color='#ffffff'><B><span id='caption'></span></B></font></td><td align=right><a href='javascript:hideCalendar()'><IMG SRC='" + imgDir + "close.gif' WIDTH='15' HEIGHT='13' BORDER='0' ALT='Close'></a></td></tr></table></td></tr><tr><td style='padding:5px' bgcolor=#ffffff><span id='calendar_content'></span></td></tr>")
        if (showToday == 1) {
            document.write("<tr bgcolor=#f0f0f0><td style='padding:5px' align=center><span id='lblToday'></span></td></tr>")
        }
        document.write("</table></div><div id='selectMonth' style='z-index:+999;position:absolute;visibility:hidden;'></div><div id='selectYear' style='z-index:+999;position:absolute;visibility:hidden;'></div>");
    }
    if (startAt == 0) {
        dayName = new Array("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat")
        tdayName = new Array("อา.", "จ.", "อ.", "พ.", "พฤ.", "ศ.", "ส.")
        fullTName = new Array("อาทิตย์", "จันทร์", "อังคาร", "พุธ", "พฤหัสบดี", "ศุกร์", "เสาร์")
    }
    else {
        dayName = new Array("Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun")
        tdayName = new Array("จ.", "อ.", "พ.", "พฤ.", "ศ.", "ส.", "อา.")
        fullTName = new Array("จันทร์", "อังคาร", "พุธ", "พฤหัสบดี", "ศุกร์", "เสาร์", "อาทิตย์")
    }
    document.onkeypress = function hidecal1() {
        if (event.keyCode == 27) {
            hideCalendar()
        }
    }
    document.onclick = function hidecal2() {
        if (!bShow) {
            hideCalendar()
        }
        bShow = false
    }
    if (ie) {
        init1()
    }
    else {
        window.onload = init1
    }
}

// hides <select> and <applet> objects (for IE only)
function hideElement(elmID, overDiv) {

    //------------ Modify for over listbox -------------//
    if (ie) {
        var obj = document.getElementById(elmID);
        if (obj != null) {
            obj.style.visibility = "";
            obj.style.top = overDiv.offsetTop;
            obj.style.left = overDiv.offsetLeft;
            var frame = document.getElementById("frame" + elmID);
            if (frame != null) {
                frame.width = overDiv.offsetWidth;
                frame.height = overDiv.offsetHeight;
            }
        }
    } // end if check ie
    //------------ Modify for over listbox -------------//

    /*
    if( ie ){
    for( i = 0; i < document.all.tags( elmID ).length; i++ ){
    obj = document.all.tags( elmID )[i];
    if( !obj || !obj.offsetParent ){
    continue;
    }
    // Find the element's offsetTop and offsetLeft relative to the BODY tag.
    objLeft   = obj.offsetLeft;
    objTop    = obj.offsetTop;
    objParent = obj.offsetParent;
    while( objParent.tagName.toUpperCase() != "BODY" )
    {
    objLeft  += objParent.offsetLeft;
    objTop   += objParent.offsetTop;
    objParent = objParent.offsetParent;
    }
    objHeight = obj.offsetHeight;
    objWidth = obj.offsetWidth;
    if(( overDiv.offsetLeft + overDiv.offsetWidth ) <= objLeft );
    else if(( overDiv.offsetTop + overDiv.offsetHeight ) <= objTop );
    // CHANGE by Charlie Roche for nested TDs
    else if( overDiv.offsetTop >= ( objTop + objHeight + obj.height ));
    // END CHANGE
    else if( overDiv.offsetLeft >= ( objLeft + objWidth ));
    else
    {
    obj.style.visibility = "hidden";
    }
    }
    }
    */
}

//unhides <select> and <applet> objects (for IE only)
function showElement(elmID) {

    //------------ Modify for over listbox -------------//
    if (ie) {
        var obj = null;
        obj = document.getElementById("mask");
        if (obj != null) { obj.style.visibility = "hidden"; }
        obj = document.getElementById("monthmask");
        if (obj != null) { obj.style.visibility = "hidden"; }
        obj = document.getElementById("yearmask");
        if (obj != null) { obj.style.visibility = "hidden"; }
    }
    //------------ Modify for over listbox -------------//

    /*
    if( ie ){
    for( i = 0; i < document.all.tags( elmID ).length; i++ ){
    obj = document.all.tags( elmID )[i];
    if( !obj || !obj.offsetParent ){
    continue;
    }
    obj.style.visibility = "";
    }
    }
    */
}

function HolidayRec(d, m, y, desc) {
    this.d = d
    this.m = m
    this.y = y
    this.desc = desc
}

function addHoliday(d, m, y, desc) {
    Holidays[HolidaysCounter++] = new HolidayRec(d, m, y, desc)
}

function swapImage(srcImg, destImg) {
    if (ie) { document.getElementById(srcImg).setAttribute("src", imgDir + destImg) }
}

function init1() {
      alert ("")
        if (!ns4) {
        if (!ie) { yearNow += 1900 }
        crossobj = (dom) ? document.getElementById("calendar").style : ie ? document.all.calendar : document.calendar
        hideCalendar()
        crossMonthObj = (dom) ? document.getElementById("selectMonth").style : ie ? document.all.selectMonth : document.selectMonth
        crossYearObj = (dom) ? document.getElementById("selectYear").style : ie ? document.all.selectYear : document.selectYear
        monthConstructed = false;
        yearConstructed = false;
        /*
        sHTML1="<span id='spanLeft'	style='border-style:solid;border-width:1;border-color:#3366FF;cursor:pointer' onmouseover='swapImage(\"changeLeft\",\"left2.gif\");this.style.borderColor=\"#88AAFF\";window.status=\""+scrollLeftMessage+"\"' onclick='javascript:decMonth()' onmouseout='clearInterval(intervalID1);swapImage(\"changeLeft\",\"left1.gif\");this.style.borderColor=\"#3366FF\";window.status=\"\"' onmousedown='clearTimeout(timeoutID1);timeoutID1=setTimeout(\"StartDecMonth()\",500)'	onmouseup='clearTimeout(timeoutID1);clearInterval(intervalID1)'>&nbsp<IMG id='changeLeft' SRC='"+imgDir+"left1.gif' width=10 height=11 BORDER=0>&nbsp</span>&nbsp;"
        sHTML1+="<span id='spanRight' style='border-style:solid;border-width:1;border-color:#3366FF;cursor:pointer'	onmouseover='swapImage(\"changeRight\",\"right2.gif\");this.style.borderColor=\"#88AAFF\";window.status=\""+scrollRightMessage+"\"' onmouseout='clearInterval(intervalID1);swapImage(\"changeRight\",\"right1.gif\");this.style.borderColor=\"#3366FF\";window.status=\"\"' onclick='incMonth()' onmousedown='clearTimeout(timeoutID1);timeoutID1=setTimeout(\"StartIncMonth()\",500)'	onmouseup='clearTimeout(timeoutID1);clearInterval(intervalID1)'>&nbsp<IMG id='changeRight' SRC='"+imgDir+"right1.gif'	width=10 height=11 BORDER=0>&nbsp</span>&nbsp"
        sHTML1+="<span id='spanMonth' style='border-style:solid;border-width:1;border-color:#3366FF;cursor:pointer'	onmouseover='swapImage(\"changeMonth\",\"drop2.gif\");this.style.borderColor=\"#88AAFF\";window.status=\""+selectMonthMessage+"\"' onmouseout='swapImage(\"changeMonth\",\"drop1.gif\");this.style.borderColor=\"#3366FF\";window.status=\"\"' onclick='popUpMonth()'></span>&nbsp;"
        sHTML1+="<span id='spanYear' style='border-style:solid;border-width:1;border-color:#3366FF;cursor:pointer' onmouseover='swapImage(\"changeYear\",\"drop2.gif\");this.style.borderColor=\"#88AAFF\";window.status=\""+selectYearMessage+"\"'	onmouseout='swapImage(\"changeYear\",\"drop1.gif\");this.style.borderColor=\"#3366FF\";window.status=\"\"'	onclick='popUpYear()'></span>&nbsp;"
        document.getElementById("caption").innerHTML  =	sHTML1
        bPageLoaded=true
        */
    }
}

function init2() {
    if (!ns4) {
        if (!ie) { yearNow += 1900 }
        if (showToday == 1) {
            if (nowLang == "T") {
                document.getElementById("lblToday").innerHTML = "<a onmousemove='window.status=\"" + gotoThaiString + "\"' onmouseout='window.status=\"\"' title='" + gotoThaiString + "' style='" + styleAnchor + "' href='javascript:monthSelected=monthNow;yearSelected=yearNow;constructCalendar();'>" + todayThaiString + fullTName[(today.getDay() - startAt == -1) ? 6 : (today.getDay() - startAt)] + "ที่ " + dateNow + " " + tmonthNameSub[monthNow] + "	" + (yearNow + 543) + "</a>"
            } else {
                document.getElementById("lblToday").innerHTML = todayString + " <a onmousemove='window.status=\"" + gotoString + "\"' onmouseout='window.status=\"\"' title='" + gotoString + "' style='" + styleAnchor + "' href='javascript:monthSelected=monthNow;yearSelected=yearNow;constructCalendar();'>" + dayName[(today.getDay() - startAt == -1) ? 6 : (today.getDay() - startAt)] + ", " + dateNow + " " + monthName[monthNow].substring(0, 3) + "	" + yearNow + "</a>"
            }
        }

        if (nowLang == "T") {
            sHTML1 = "<span id='spanLeft'	style='border-style:solid;border-width:1;border-color:#3366FF;cursor:pointer' onmouseover='swapImage(\"changeLeft\",\"left2.gif\");this.style.borderColor=\"#88AAFF\";window.status=\"" + scrollLeftThaiMessage + "\"' onclick='javascript:decMonth()' onmouseout='clearInterval(intervalID1);swapImage(\"changeLeft\",\"left1.gif\");this.style.borderColor=\"#3366FF\";window.status=\"\"' onmousedown='clearTimeout(timeoutID1);timeoutID1=setTimeout(\"StartDecMonth()\",500)'	onmouseup='clearTimeout(timeoutID1);clearInterval(intervalID1)'>&nbsp<IMG id='changeLeft' SRC='" + imgDir + "left1.gif' width=10 height=11 BORDER=0>&nbsp</span>&nbsp;"
            sHTML1 += "<span id='spanRight' style='border-style:solid;border-width:1;border-color:#3366FF;cursor:pointer'	onmouseover='swapImage(\"changeRight\",\"right2.gif\");this.style.borderColor=\"#88AAFF\";window.status=\"" + scrollRightThaiMessage + "\"' onmouseout='clearInterval(intervalID1);swapImage(\"changeRight\",\"right1.gif\");this.style.borderColor=\"#3366FF\";window.status=\"\"' onclick='incMonth()' onmousedown='clearTimeout(timeoutID1);timeoutID1=setTimeout(\"StartIncMonth()\",500)'	onmouseup='clearTimeout(timeoutID1);clearInterval(intervalID1)'>&nbsp<IMG id='changeRight' SRC='" + imgDir + "right1.gif'	width=10 height=11 BORDER=0>&nbsp</span>&nbsp"
            sHTML1 += "<span id='spanMonth' style='border-style:solid;border-width:1;border-color:#3366FF;cursor:pointer'	onmouseover='swapImage(\"changeMonth\",\"drop2.gif\");this.style.borderColor=\"#88AAFF\";window.status=\"" + selectMonthThaiMessage + "\"' onmouseout='swapImage(\"changeMonth\",\"drop1.gif\");this.style.borderColor=\"#3366FF\";window.status=\"\"' onclick='popUpMonth()'></span>&nbsp;"
            sHTML1 += "<span id='spanYear' style='border-style:solid;border-width:1;border-color:#3366FF;cursor:pointer' onmouseover='swapImage(\"changeYear\",\"drop2.gif\");this.style.borderColor=\"#88AAFF\";window.status=\"" + selectYearThaiMessage + "\"'	onmouseout='swapImage(\"changeYear\",\"drop1.gif\");this.style.borderColor=\"#3366FF\";window.status=\"\"'	onclick='popUpYear()'></span>&nbsp;"
        } else {
            sHTML1 = "<span id='spanLeft'	style='border-style:solid;border-width:1;border-color:#3366FF;cursor:pointer' onmouseover='swapImage(\"changeLeft\",\"left2.gif\");this.style.borderColor=\"#88AAFF\";window.status=\"" + scrollLeftMessage + "\"' onclick='javascript:decMonth()' onmouseout='clearInterval(intervalID1);swapImage(\"changeLeft\",\"left1.gif\");this.style.borderColor=\"#3366FF\";window.status=\"\"' onmousedown='clearTimeout(timeoutID1);timeoutID1=setTimeout(\"StartDecMonth()\",500)'	onmouseup='clearTimeout(timeoutID1);clearInterval(intervalID1)'>&nbsp<IMG id='changeLeft' SRC='" + imgDir + "left1.gif' width=10 height=11 BORDER=0>&nbsp</span>&nbsp;"
            sHTML1 += "<span id='spanRight' style='border-style:solid;border-width:1;border-color:#3366FF;cursor:pointer'	onmouseover='swapImage(\"changeRight\",\"right2.gif\");this.style.borderColor=\"#88AAFF\";window.status=\"" + scrollRightMessage + "\"' onmouseout='clearInterval(intervalID1);swapImage(\"changeRight\",\"right1.gif\");this.style.borderColor=\"#3366FF\";window.status=\"\"' onclick='incMonth()' onmousedown='clearTimeout(timeoutID1);timeoutID1=setTimeout(\"StartIncMonth()\",500)'	onmouseup='clearTimeout(timeoutID1);clearInterval(intervalID1)'>&nbsp<IMG id='changeRight' SRC='" + imgDir + "right1.gif'	width=10 height=11 BORDER=0>&nbsp</span>&nbsp"
            sHTML1 += "<span id='spanMonth' style='border-style:solid;border-width:1;border-color:#3366FF;cursor:pointer'	onmouseover='swapImage(\"changeMonth\",\"drop2.gif\");this.style.borderColor=\"#88AAFF\";window.status=\"" + selectMonthMessage + "\"' onmouseout='swapImage(\"changeMonth\",\"drop1.gif\");this.style.borderColor=\"#3366FF\";window.status=\"\"' onclick='popUpMonth()'></span>&nbsp;"
            sHTML1 += "<span id='spanYear' style='border-style:solid;border-width:1;border-color:#3366FF;cursor:pointer' onmouseover='swapImage(\"changeYear\",\"drop2.gif\");this.style.borderColor=\"#88AAFF\";window.status=\"" + selectYearMessage + "\"'	onmouseout='swapImage(\"changeYear\",\"drop1.gif\");this.style.borderColor=\"#3366FF\";window.status=\"\"'	onclick='popUpYear()'></span>&nbsp;"
        }
        document.getElementById("caption").innerHTML = sHTML1
        bPageLoaded = true
    }
}

function hideCalendar() {
     crossobj.visibility = "hidden"
    if (crossMonthObj != null) { crossMonthObj.visibility = "hidden" }
    if (crossYearObj != null) { crossYearObj.visibility = "hidden" }
    showElement('SELECT');
    showElement('APPLET');
}

function padZero(num) {
    return (num < 10) ? '0' + num : num;
}

function constructDate(d, m, y) {
    sTmp = dateFormat
    sTmp = sTmp.replace("dd", "<e>")
    sTmp = sTmp.replace("d", "<d>")
    sTmp = sTmp.replace("<e>", padZero(d))
    sTmp = sTmp.replace("<d>", d)
    sTmp = sTmp.replace("mmm", "<o>")
    sTmp = sTmp.replace("mm", "<n>")
    sTmp = sTmp.replace("m", "<m>")
    sTmp = sTmp.replace("<m>", m + 1)
    sTmp = sTmp.replace("<n>", padZero(m + 1))
    sTmp = sTmp.replace("<o>", monthName[m])
    if (nowLang == "T") {
        y += 543;
    }
    return sTmp.replace("yyyy", y)
}

function closeCalendar() {
    var sTmp
    hideCalendar();
    var selDate = constructDate(dateSelected, monthSelected, yearSelected)
    if ((yearSelected - 0) < 2400) {
        yearSelected = (yearSelected - 0) + 543;
    }
    monthSelected++;

    ctlToPlaceValue.value = selDate;

}

// Month Pulldown
function StartDecMonth() {
    intervalID1 = setInterval("decMonth()", 80)
}

function StartIncMonth() {
    intervalID1 = setInterval("incMonth()", 80)
}

function incMonth() {
    monthSelected++
    if (monthSelected > 11) {
        monthSelected = 0
        yearSelected++
    }
    constructCalendar()
    hideElement('mask', document.getElementById("calendar"));  //------------ Modify for over listbox -------------//
}

function decMonth() {
    monthSelected--
    if (monthSelected < 0) {
        monthSelected = 11
        yearSelected--
    }
    constructCalendar()
    hideElement('mask', document.getElementById("calendar"));  //------------ Modify for over listbox -------------//
}

function constructMonth() {
    popDownYear()
    if (!monthConstructed) {
        sHTML = ""
        for (i = 0; i < 12; i++) {
            if (nowLang == "T") {
                sName = tmonthName[i];
            } else {
                sName = monthName[i];
            }
            if (i == monthSelected) {
                sName = "<B>" + sName + "</B>"
            }
            sHTML += "<tr><td id='m" + i + "' onmouseover='this.style.backgroundColor=\"#FFCC99\"' onmouseout='this.style.backgroundColor=\"\"' style='cursor:pointer' onclick='monthConstructed=false;monthSelected=" + i + ";constructCalendar();popDownMonth();event.cancelBubble=true'>&nbsp;" + sName + "&nbsp;</td></tr>"
        }

        document.getElementById("selectMonth").innerHTML = "<table width=70	style='font-family:arial; font-size:11px; border-width:1; border-style:solid; border-color:#a0a0a0;' bgcolor='#FFFFDD' cellspacing=0 onmouseover='clearTimeout(timeoutID1)'	onmouseout='clearTimeout(timeoutID1);timeoutID1=setTimeout(\"popDownMonth()\",100);event.cancelBubble=true'>" + sHTML + "</table>"
        monthConstructed = true
    }
}

function popUpMonth() {
    constructMonth()
    crossMonthObj.visibility = (dom || ie) ? "visible" : "show"
    crossMonthObj.left = parseInt(crossobj.left) + 50
    crossMonthObj.top = parseInt(crossobj.top) + 26

    hideElement('monthmask', document.getElementById("selectMonth"));  //------------ Modify for over listbox -------------//
    //hideElement( 'SELECT', document.getElementById("selectMonth") );
    //hideElement( 'APPLET', document.getElementById("selectMonth") );
}

function popDownMonth() {
    crossMonthObj.visibility = "hidden"
    showElement();
    hideElement('mask', document.getElementById("calendar"));  //------------ Modify for over listbox -------------//
}

// Year Pulldown
function incYear() {
    for (i = 0; i < 7; i++) {
        newYear = (i + nStartingYear) + 1
        if (newYear == yearSelected) {
            if (nowLang == "T") {
                newYear += 543;
            }
            txtYear = "&nbsp;<B>" + newYear + "</B>&nbsp;"
        } else {
            if (nowLang == "T") {
                newYear += 543;
            }
            txtYear = "&nbsp;" + newYear + "&nbsp;"
        }
        document.getElementById("y" + i).innerHTML = txtYear
    }
    nStartingYear++;
    bShow = true
}

function decYear() {
    for (i = 0; i < 7; i++) {
        newYear = (i + nStartingYear) - 1
        if (newYear == yearSelected) {
            if (nowLang == "T") {
                newYear += 543;
            }
            txtYear = "&nbsp;<B>" + newYear + "</B>&nbsp;"
        } else {
            if (nowLang == "T") {
                newYear += 543;
            }
            txtYear = "&nbsp;" + newYear + "&nbsp;"
        }
        document.getElementById("y" + i).innerHTML = txtYear
    }
    nStartingYear--;
    bShow = true
}



function selectYear(nYear) {
    yearSelected = parseInt(nYear + nStartingYear);
    yearConstructed = false;
    constructCalendar();
    popDownYear();
}

function constructYear() {
    popDownMonth()
    sHTML = ""
    if (!yearConstructed) {
        sHTML = "<tr><td align='center'	onmouseover='this.style.backgroundColor=\"#FFCC99\"' onmouseout='clearInterval(intervalID1);this.style.backgroundColor=\"\"' style='cursor:pointer'	onmousedown='clearInterval(intervalID1);intervalID1=setInterval(\"decYear()\",30)' onmouseup='clearInterval(intervalID1)'>-</td></tr>"
        j = 0
        nStartingYear = yearSelected - 3
        for (i = (yearSelected - 3); i <= (yearSelected + 3); i++) {
            sName = i;
            if (nowLang == "T") {
                sName += 543;
            }
            if (i == yearSelected) {
                sName = "<B>" + sName + "</B>"
            }
            sHTML += "<tr><td id='y" + j + "' onmouseover='this.style.backgroundColor=\"#FFCC99\"' onmouseout='this.style.backgroundColor=\"\"' style='cursor:pointer' onclick='selectYear(" + j + ");event.cancelBubble=true'>&nbsp;" + sName + "&nbsp;</td></tr>"
            j++;
        }
        sHTML += "<tr><td align='center' onmouseover='this.style.backgroundColor=\"#FFCC99\"' onmouseout='clearInterval(intervalID2);this.style.backgroundColor=\"\"' style='cursor:pointer' onmousedown='clearInterval(intervalID2);intervalID2=setInterval(\"incYear()\",30)'	onmouseup='clearInterval(intervalID2)'>+</td></tr>"
        document.getElementById("selectYear").innerHTML = "<table width=44 style='font-family:arial; font-size:11px; border-width:1; border-style:solid; border-color:#a0a0a0;'	bgcolor='#FFFFDD' onmouseover='clearTimeout(timeoutID2)' onmouseout='clearTimeout(timeoutID2);timeoutID2=setTimeout(\"popDownYear()\",100)' cellspacing=0>" + sHTML + "</table>"
        yearConstructed = true
    }
}

function popDownYear() {
    clearInterval(intervalID1)
    clearTimeout(timeoutID1)
    clearInterval(intervalID2)
    clearTimeout(timeoutID2)
    crossYearObj.visibility = "hidden"

    //------------ Modify for over listbox -------------//
    showElement();
    hideElement('mask', document.getElementById("calendar"));
    //------------ Modify for over listbox -------------//
}

function popUpYear() {
    var leftOffset
    constructYear()
    crossYearObj.visibility = (dom || ie) ? "visible" : "show"
    leftOffset = parseInt(crossobj.left) + document.getElementById("spanYear").offsetLeft
    if (ie) {
        leftOffset += 6
    }
    crossYearObj.left = leftOffset
    crossYearObj.top = parseInt(crossobj.top) + 26

    hideElement('yearmask', document.getElementById("selectYear"));  //------------ Modify for over listbox -------------//
}

function WeekNbr(n) {
    // Algorithm used:
    // From Klaus Tondering's Calendar document (The Authority/Guru)
    // hhtp://www.tondering.dk/claus/calendar.html
    // a = (14-month) / 12
    // y = year + 4800 - a
    // m = month + 12a - 3
    // J = day + (153m + 2) / 5 + 365y + y / 4 - y / 100 + y / 400 - 32045
    // d4 = (J + 31741 - (J mod 7)) mod 146097 mod 36524 mod 1461
    // L = d4 / 1460
    // d1 = ((d4 - L) mod 365) + L
    // WeekNumber = d1 / 7 + 1

    year = n.getFullYear();
    month = n.getMonth() + 1;
    if (startAt == 0) {
        day = n.getDate() + 1;
    }
    else {
        day = n.getDate();
    }
    a = Math.floor((14 - month) / 12);
    y = year + 4800 - a;
    m = month + 12 * a - 3;
    b = Math.floor(y / 4) - Math.floor(y / 100) + Math.floor(y / 400);
    J = day + Math.floor((153 * m + 2) / 5) + 365 * y + b - 32045;
    d4 = (((J + 31741 - (J % 7)) % 146097) % 36524) % 1461;
    L = Math.floor(d4 / 1460);
    d1 = ((d4 - L) % 365) + L;
    week = Math.floor(d1 / 7) + 1;
    return week;
}

function constructCalendar() {
    var aNumDays = Array(31, 0, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31)
    var dateMessage
    var startDate = new Date(yearSelected, monthSelected, 1)
    var endDate
    if (monthSelected == 1) {
        endDate = new Date(yearSelected, monthSelected + 1, 1);
        endDate = new Date(endDate - (24 * 60 * 60 * 1000));
        numDaysInMonth = endDate.getDate()
    }
    else {
        numDaysInMonth = aNumDays[monthSelected];
    }
    datePointer = 0
    dayPointer = startDate.getDay() - startAt
    if (dayPointer < 0) {
        dayPointer = 6
    }
    sHTML = "<table	 border=0 style='font-family:verdana;font-size:10px;'><tr>"
    if (showWeekNumber == 1) {
        if (nowLang == "T") {
            sHTML += "<td width=27><b>" + weekThaiString + "</b></td><td width=1 rowspan=7 bgcolor='#d0d0d0' style='padding:0px'><img src='" + imgDir + "divider.gif' width=1></td>"
        } else {
            sHTML += "<td width=27><b>" + weekString + "</b></td><td width=1 rowspan=7 bgcolor='#d0d0d0' style='padding:0px'><img src='" + imgDir + "divider.gif' width=1></td>"
        }
    }
    for (i = 0; i < 7; i++) {
        if (nowLang == "T") {
            sHTML += "<td width='27' align='right'><B>" + tdayName[i] + "</B></td>"
        } else {
            sHTML += "<td width='27' align='right'><B>" + dayName[i] + "</B></td>"
        }
    }
    sHTML += "</tr><tr>"
    if (showWeekNumber == 1) {
        sHTML += "<td align=right>" + WeekNbr(startDate) + "&nbsp;</td>"
    }
    for (var i = 1; i <= dayPointer; i++) {
        sHTML += "<td>&nbsp;</td>"
    }
    for (datePointer = 1; datePointer <= numDaysInMonth; datePointer++) {
        dayPointer++;
        sHTML += "<td align=right>"
        sStyle = styleAnchor
        if ((datePointer == odateSelected) && (monthSelected == omonthSelected) && (yearSelected == oyearSelected))
        { sStyle += styleLightBorder }
        sHint = ""
        for (k = 0; k < HolidaysCounter; k++) {
            if ((parseInt(Holidays[k].d) == datePointer) && (parseInt(Holidays[k].m) == (monthSelected + 1))) {
                if ((parseInt(Holidays[k].y) == 0) || ((parseInt(Holidays[k].y) == yearSelected) && (parseInt(Holidays[k].y) != 0))) {
                    sStyle += "background-color:#FFDDDD;"
                    sHint += sHint == "" ? Holidays[k].desc : "\n" + Holidays[k].desc
                }
            }
        }
        var regexp = /\"/g
        sHint = sHint.replace(regexp, "&quot;")
        dateMessage = "onmousemove='window.status=\"" + selectDateMessage.replace("[date]", constructDate(datePointer, monthSelected, yearSelected)) + "\"' onmouseout='window.status=\"\"' "
        if ((datePointer == dateNow) && (monthSelected == monthNow) && (yearSelected == yearNow))
        { sHTML += "<b><a " + dateMessage + " title=\"" + sHint + "\" style='" + sStyle + "' href='javascript:dateSelected=" + datePointer + ";closeCalendar();'><font color=#ff0000>&nbsp;" + datePointer + "</font>&nbsp;</a></b>" }
        else if (dayPointer % 7 == (startAt * -1) + 1)
        { sHTML += "<a " + dateMessage + " title=\"" + sHint + "\" style='" + sStyle + "' href='javascript:dateSelected=" + datePointer + ";closeCalendar();'>&nbsp;<font color=#909090>" + datePointer + "</font>&nbsp;</a>" }
        else
        { sHTML += "<a " + dateMessage + " title=\"" + sHint + "\" style='" + sStyle + "' href='javascript:dateSelected=" + datePointer + ";closeCalendar();'>&nbsp;" + datePointer + "&nbsp;</a>" }

        sHTML += ""
        if ((dayPointer + startAt) % 7 == startAt) {
            sHTML += "</tr><tr>"
            if ((showWeekNumber == 1) && (datePointer < numDaysInMonth)) {
                sHTML += "<td align=right>" + (WeekNbr(new Date(yearSelected, monthSelected, datePointer + 1))) + "&nbsp;</td>"
            }
        }
    }
    document.getElementById("calendar_content").innerHTML = sHTML
    if (nowLang == "T") {
        document.getElementById("spanMonth").innerHTML = "&nbsp;" + tmonthName[monthSelected] + "&nbsp;<IMG id='changeMonth' SRC='" + imgDir + "drop1.gif' WIDTH='12' HEIGHT='10' BORDER=0>"
        document.getElementById("spanYear").innerHTML = "&nbsp;" + (yearSelected + 543) + "&nbsp;<IMG id='changeYear' SRC='" + imgDir + "drop1.gif' WIDTH='12' HEIGHT='10' BORDER=0>"
    } else {
        document.getElementById("spanMonth").innerHTML = "&nbsp;" + monthName[monthSelected] + "&nbsp;<IMG id='changeMonth' SRC='" + imgDir + "drop1.gif' WIDTH='12' HEIGHT='10' BORDER=0>"
        document.getElementById("spanYear").innerHTML = "&nbsp;" + yearSelected + "&nbsp;<IMG id='changeYear' SRC='" + imgDir + "drop1.gif' WIDTH='12' HEIGHT='10' BORDER=0>"
    }
}

function popUpCalendar(ctl) {
    
    var ctl2 = ctl;
    var format="dd/mm/yyyy";
    var lang ="T";
    var leftpos = 0
    var toppos = 0

    if (lang != null && lang == "T") {
        nowLang = "T";
    } else {
        nowLang = "E";
    }

    init2();

    if (bPageLoaded) {
        if (crossobj.visibility == "hidden") {
            ctlToPlaceValue = ctl2
            dateFormat = format;
            formatChar = " "
            aFormat = dateFormat.split(formatChar)
            if (aFormat.length < 3) {
                formatChar = "/"
                aFormat = dateFormat.split(formatChar)
                if (aFormat.length < 3) {
                    formatChar = "."
                    aFormat = dateFormat.split(formatChar)
                    if (aFormat.length < 3) {
                        formatChar = "-"
                        aFormat = dateFormat.split(formatChar)
                        if (aFormat.length < 3) {
                            // invalid date	format
                            formatChar = ""
                        }
                    }
                }
            }
            tokensChanged = 0
            if (formatChar != "") {
                // use user's date
                aData = ctl2.value.split(formatChar)
                for (i = 0; i < 3; i++) {
                    if ((aFormat[i] == "d") || (aFormat[i] == "dd")) {
                        dateSelected = parseInt(aData[i], 10)
                        tokensChanged++
                    }
                    else if ((aFormat[i] == "m") || (aFormat[i] == "mm")) {
                        monthSelected = parseInt(aData[i], 10) - 1
                        tokensChanged++
                    }
                    else if (aFormat[i] == "yyyy") {
                        if (nowLang == "T") {
                            aData[i] -= 543;
                        }
                        yearSelected = parseInt(aData[i], 10)
                        tokensChanged++
                    }
                    else if (aFormat[i] == "mmm") {
                        for (j = 0; j < 12; j++) {
                            if (aData[i] == monthName[j]) {
                                monthSelected = j
                                tokensChanged++
                            }
                        }
                    }
                }
            }
            if ((tokensChanged != 3) || isNaN(dateSelected) || isNaN(monthSelected) || isNaN(yearSelected)) {
                dateSelected = dateNow
                monthSelected = monthNow
                yearSelected = yearNow
            }
            odateSelected = dateSelected
            omonthSelected = monthSelected
            oyearSelected = yearSelected
            aTag = ctl

            do {
                aTag = aTag.offsetParent;
                if (!aTag) { break; }
                leftpos += aTag.offsetLeft;
                toppos += aTag.offsetTop;
            } while (aTag.tagName != "BODY");
            crossobj.left = fixedX == -1 ? ctl.offsetLeft + leftpos : fixedX
            crossobj.top = fixedY == -1 ? ctl.offsetTop + toppos + ctl.offsetHeight + 2 : fixedY
            constructCalendar(1, monthSelected, yearSelected);
            crossobj.visibility = (dom || ie) ? "visible" : "show"
            hideElement('mask', document.getElementById("calendar"));  //------------ Modify for over listbox -------------//
            //hideElement( 'SELECT', document.getElementById("calendar") );
            //hideElement( 'APPLET', document.getElementById("calendar") );
            bShow = true;
        }
        else {
            hideCalendar()
            if (ctlNow != ctl) { popUpCalendar(ctl) }
        }
        ctlNow = ctl
    }
}