//	written	by Tan Ling	Wee	on 2 Dec 2001
//	last updated 15 Jan 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 = 1 // 0 - sunday ; 1 - monday
var showWeekNumber = 0  // 0 - don't show; 1 - show
var showToday = 0               // 0 - don't show; 1 - show
var imgDir = "/hyimages/date/"     // directory for images ... e.g. var imgDir="/img/"

var gotoString = "Ir Para Mes Atual"
var todayString = "Hoje é"
var weekString = "Sm"
var scrollLeftMessage = "Clique para rolar para o mês anterior. Mantenha o botão do mouse apertado para rolar."
var scrollRightMessage = "Clique para rolar para o próximo mês. Mantenha o botão do mouse apertado para rolar."
var selectMonthMessage = "Clique para escolher um mês."
var selectYearMessage = "Clique para escolher um ano."
var selectDateMessage = "Escolha [date] como data." // 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 funcOnClose =""

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=imgsrc[i]
//	}
	document.write ("<div id='calendar' style='position:absolute;visibility:hidden;z-index:99'><table     width="+((showWeekNumber==1)?250:220)+" style='font-family:arial;font-size:11px;border-width:1;border-style:solid;border-color:#FFFFFF;font-family:arial; font-size:11px}' bgcolor='#8BAEA7'><tr bgcolor='#C5D6D3'><td><table width='"+((showWeekNumber==1)?248:218)+"'><tr><td style='padding:2px;font-family:arial; font-size:11px;'><font color='#4E6A64'><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='Fechar'></a></td></tr></table></td></tr><tr><td style='padding:5px' bgcolor=#FFFFFF><span id='calcontent'></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;background-color:#FFFFFF;z-index:99'></div><div id='selectYear' style='position:absolute;visibility:hidden;background-color:#FFFFFF;z-index:99'></div>");
}

var monthName = new Array("Janeiro","Fevereiro","Marco","Abril","Maio","Junho","Julho","Agosto","Setembro","Outubro","Novembro","Dezembro")
if (startAt==0){
	dayName = new Array("Dom","Seg","Ter","Qua","Qui","Sex","Sab")
}else{
	dayName = new Array("Seg","Ter","Qua","Qui","Sex","Sab","Dom")
}
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:#C5D6D3;cursor:pointer' onmouseover='swapImage(\"changeLeft\",\"left2.gif\");this.style.borderColor=\"#EBEBEB\";window.status=\""+scrollLeftMessage+"\"' onclick='javascript:decMonth()' onmouseout='clearInterval(intervalID1);swapImage(\"changeLeft\",\"left1.gif\");this.style.borderColor=\"#C5D6D3\";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:#C5D6D3;cursor:pointer'     onmouseover='swapImage(\"changeRight\",\"right2.gif\");this.style.borderColor=\"#EBEBEB\";window.status=\""+scrollRightMessage+"\"' onmouseout='clearInterval(intervalID1);swapImage(\"changeRight\",\"right1.gif\");this.style.borderColor=\"#C5D6D3\";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:#C5D6D3;cursor:pointer'     onmouseover='swapImage(\"changeMonth\",\"drop2.gif\");this.style.borderColor=\"#EBEBEB\";window.status=\""+selectMonthMessage+"\"' onmouseout='swapImage(\"changeMonth\",\"drop1.gif\");this.style.borderColor=\"#C5D6D3\";window.status=\"\"' onclick='popUpMonth()'></span>&nbsp;"
		sHTML1+="<span id='spanYear' style='border-style:solid;border-width:1;border-color:#C5D6D3;cursor:pointer' onmouseover='swapImage(\"changeYear\",\"drop2.gif\");this.style.borderColor=\"#EBEBEB\";window.status=\""+selectYearMessage+"\"'     onmouseout='swapImage(\"changeYear\",\"drop1.gif\");this.style.borderColor=\"#C5D6D3\";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"}
}

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

	oldvalue=ctlToPlaceValue.value;
	newvalue=constructDate(dateSelected,monthSelected,yearSelected);
	if (newvalue==oldvalue) {// nao mudou nada
		hideCalendar();
	}else{
		ctlToPlaceValue.value =	newvalue;
//		ctlToPlaceValue.focus();
//		ctlToPlaceValue.blur();
		hideCalendar();
		if (funcOnClose!='') {
			xthis=ctlToPlaceValue;
			eval(funcOnClose);
		}
	}
}

/*** 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=\"#EAEAEA\"' 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='#FFFFFF' 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=\"#EAEAEA\"' 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=\"#EAEAEA\"' 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=\"#EAEAEA\"' 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='#FFFFFF' 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) {
	var P3D=259200000, P7D=604800000, y=n.getYear(), y=(y<1000?1900+y:y);
	var s=Math.floor((Date.UTC(y,n.getMonth(),n.getDate())+P3D)/P7D);
	tmp=new Date(s*P7D); j=tmp.getYear(); j=(j<1000?1900+j:j);
	return 1+s-Math.floor((Date.UTC(j,0,4)+P3D)/P7D)
}


function constructCalendar () {
	var dateMessage
	var	startDate =	new	Date (yearSelected,monthSelected,1)
	var	endDate	= new Date (yearSelected,monthSelected+1,1);
	endDate	= new Date (endDate	- (24*60*60*1000));
	numDaysInMonth = endDate.getDate()

	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("calcontent").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, fOnClose) {
	var	leftpos=0
	var	toppos=0

	if (fOnClose) {
		funcOnClose=fOnClose;
	}

	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"
		}
		else
		{
			hideCalendar()
			if (ctlNow!=ctl) {popUpCalendar(ctl, ctl2, format)}
		}
		ctlNow = ctl
	}
}
window.onload=init