var fixedX = -1 // x position (-1 if to appear below control)
var fixedY = -1 // y position (-1 if to appear below control)
var startAt = 0 // 0 - sunday ; 1 - monday
var showWeekNumber = 0 // 0 - don't show; 1 - show
var showToday = 0 // 0 - don't show; 1 - show
var imgDir = "images/" // directory for images ... e.g. var imgDir="/img/"
var gotoString = "Tới tháng hiện tại"
var todayString = "Hôm nay là"
var weekString = "Wk"
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 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 imgsrc = new Array("drop1.gif","drop2.gif","left1.gif","left2.gif","right1.gif","right2.gif")
var img = new Array()
var bShow = false;
/* hides <select> and <applet> objects (for IE only) */
function hideElement(elmID, overDiv){
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);
else if(overDiv.offsetTop >= (objTop + objHeight));
else if(overDiv.offsetLeft >= (objLeft + objWidth));
else{
obj.style.visibility = "hidden";
}}}}
/*
* unhides <select> and <applet> objects (for IE only)
*/
function showElement(elmID){
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
}
var HolidaysCounter = 0
var Holidays = new Array()
function addHoliday (d, m, y, desc){
Holidays[HolidaysCounter++] = new HolidayRec (d, m, y, desc)
}
if (dom){
for (i=0;i<imgsrc.length;i++){
img[i] = new Image
img[i].src = imgDir + imgsrc[i]
}
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 the Calendar'></a></td></tr></table></td></tr><tr><td style='padding:5px' bgcolor=#ffffff><span id='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>");
}
var monthName = new Array("Th&#225;ng 1","Th&#225;ng 2","Th&#225;ng 3","Th&#225;ng 4","Th&#225;ng 5","Th&#225;ng 6","Th&#225;ng 7","Th&#225;ng 8","Th&#225;ng 9","Th&#225;ng 10","Th&#225;ng 11","Th&#225;ng 12")
if (startAt==0){
dayName = new Array ("CN","T2","T3","T4","T5","T6","T7")
}
else{
dayName = new Array ("T2","T3","T4","T5","T6","T7","CN")
}
var styleAnchor="text-decoration:none;color:black;"
var styleLightBorder="border-style:solid;border-width:1px;border-color:#a0a0a0;"
function swapImage(srcImg, destImg){
if (ie){ document.getElementById(srcImg).setAttribute("src",imgDir + destImg) }}
function init(){
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;
if (showToday==1){
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>"
}
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])
return sTmp.replace ("yyyy",y)
}
function closeCalendar(){
var sTmp
hideCalendar();
ctlToPlaceValue.value = constructDate(dateSelected,monthSelected,yearSelected)
}
/*** Month Pulldown ***/
function StartDecMonth(){
intervalID1=setInterval("decMonth()",80)
}
function StartIncMonth(){
intervalID1=setInterval("incMonth()",80)
}
function incMonth (){
monthSelected++
if (monthSelected>11){
monthSelected=0
yearSelected++
}
constructCalendar()
}
function decMonth (){
monthSelected--
if (monthSelected<0){
monthSelected=11
yearSelected--
}
constructCalendar()
}
function constructMonth(){
popDownYear()
if (!monthConstructed){
sHTML = ""
for (i=0; i<12; i++){
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('SELECT', document.getElementById("selectMonth"));
hideElement('APPLET', document.getElementById("selectMonth")); 
}
function popDownMonth(){
crossMonthObj.visibility= "hidden"
}
/*** Year Pulldown ***/
function incYear(){
for (i=0; i<7; i++){
newYear = (i+nStartingYear)+1
if (newYear==yearSelected){ txtYear = "&nbsp;<B>" + newYear + "</B>&nbsp;" }
else
{ 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){ txtYear = "&nbsp;<B>" + newYear + "</B>&nbsp;" }
else
{ 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 (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"
}
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
}
/*** calendar ***/
function WeekNbr(n){
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){
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++){
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=blue>&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=#FF0000>" + 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("content").innerHTML = sHTML
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, ctl2, format){
var leftpos=0
var toppos=0
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"){
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;
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('SELECT', document.getElementById("calendar"));
hideElement('APPLET', document.getElementById("calendar")); 
bShow = true;
}
else{
hideCalendar()
if (ctlNow!=ctl){popUpCalendar(ctl, ctl2, format)}}
ctlNow = ctl
}}
document.onkeypress = function hidecal1 (){ 
if (event.keyCode==27){
hideCalendar()
}}
document.onclick = function hidecal2 (){ 
if (!bShow){
hideCalendar()
}
bShow = false
}
if(ie){
init()
}
else{
window.onload=init
}