//	written	by Tan Ling	Wee	on 2 Dec 2001
//	last updated 28 Mar 2002
//	email :	fuushikaden@yahoo.com

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 = 1		// 0 - don't show; 1 - show
var imgDir = "/smarty/visitor/templates/images/calendar/"			// directory for images ... e.g. var imgDir="/img/"

var gotoString = "Go To Current Month"
var todayString = "Today is"
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 date_format = 'yyyy-mm-dd';

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 id='calendar'	style='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='position:absolute;visibility:hidden;'></div><div id='selectYear'	style='position:absolute;visibility:hidden;'></div>");
}

var	monthName =	new	Array("一月","二月","三月","四月","五月","六月","七月","八月","九月","十月","十一","十二")
if (startAt==0)
{
	dayName = new Array	("日","一","二","三","四","五","六")
}
else
{
	dayName = new Array	("一","二","三","四","五","六","日")
}
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

		//Calling a calendar function and passing the name of the text
		//box which holds the date field. Added by D.T.
	}
}

function hideCalendar()	{
	crossobj.visibility="hidden"
	if (crossMonthObj != null){crossMonthObj.visibility="hidden"}
	if (crossYearObj !=	null){crossYearObj.visibility="hidden"}

	//Closing a popup window when user clicked 'x', close the calendar. Added by D.T.
	self.closed
}

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
}

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 ++;
}

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 --;
}

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(today)
{
	Year = takeYear(today);
	Month = today.getMonth();
	Day = today.getDate();
	now = Date.UTC(Year,Month,Day+1,0,0,0);
	var Firstday = new Date();
	Firstday.setYear(Year);
	Firstday.setMonth(0);
	Firstday.setDate(1);
	then = Date.UTC(Year,0,1,0,0,0);
	var Compensation = Firstday.getDay();
	if (Compensation > 3) Compensation -= 4;
	else Compensation += 3;
	NumberOfWeek =  Math.round((((now-then)/86400000)+Compensation)/7);
	return NumberOfWeek;
}

function takeYear(theDate)
{
	x = theDate.getYear();
	var y = x % 100;
	y += (y < 38) ? 2000 : 1900;
	return y;
}


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=#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("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) {
	init();
	var	leftpos=-185
	var	toppos=0

	if (bPageLoaded)
	{
		if ( crossobj.visibility ==	"hidden" ) {
			ctlToPlaceValue	= ctl2
			dateFormat= date_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

			//Setting left and top of the calendar in a popUp window. Added by D.T.

			constructCalendar (1, monthSelected, yearSelected);
			crossobj.visibility=(dom||ie)? "visible" : "show"
		}
		else
		{
			hideCalendar()
			if (ctlNow!=ctl) {popUpCalendar(ctl, ctl2, format)}
		}
		ctlNow = ctl
	}
}

