//	written	by coddo net tech pvt ltd
//	last updated 27 Mar 2004
//	email :	gaurav@coddo.com

	var	fixedX = 480;							// x position (-1 if to appear below control)
	var	fixedY = 300;							// 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 = "images/calendar/"			// directory for images ... e.g. var imgDir="/img/"
	//var imgDir = "http://www.boutiquehotels.com/images/calendar/"			// directory for images ... e.g. var imgDir="/img/"

	var gotoString = "Ga naar de huidige datum"
	var todayString = "Vandaag is"
	var weekString = "wk"
	var scrollLeftMessage = "Klik hier om naar de vorige maand te gaan."
	var scrollRightMessage = "Klik hier om naar de volgende maand te gaan."
	var selectMonthMessage = "Klik hier om een maand te selecteren."
	var selectYearMessage = "Klik hier om een jaar te selecteren."
	var selectDateMessage = "Selecteer [date] als datum." // 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;
	var frmelement;
	

    /* 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++ )
        {
		if ( document.all.tags( elmID )[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 style='position: absolute; top: 220px; left:476px;' id='calendarwrap'> <div onclick='bShow=true' id='calendar' style='visibility: hidden'><table cellspacing='0' cellpadding='0' width="+((showWeekNumber==1)?250:220)+"  id='calendertitle' ><tr id='weekrow' ><td><table width='"+((showWeekNumber==1)?248:218)+"'><tr><td  id='calendercaption'><span id='caption'></span></td><td align=right><div  id='closebutton' onclick='javascript:hideCalendar()'></div></td></tr></table></td></tr><tr><td id='calendercontent'><span id='content'></span></td></tr>")
			
		if (showToday==1)
		{
			document.write ("<tr id='calendertoday'><td><span id='lblToday'></span></td></tr>")
		}
			
		document.write ("</table></div><div id='selectMonth' ></div><div id='selectYear'></div></div>");
	}

	var	monthName =	new	Array("januari","februari","maart","april","mei","juni","juli","augustus","september","oktober","november","december")
	if (startAt==0)
	{
		dayName = new Array	("zo","ma","di","wo","do","vr","za")
		longDayName = new Array	("zondag","maandag","dinsdag","woensdag","donderdag","vrijdag","zaterdag")
	}
	else
	{
		dayName = new Array	("ma","di","wo","do","vr","za","zo")
		longDayName = new Array	("maandag","dinsdag","woensdag","donderdag","vrijdag","zaterdag","zondag");
	}

	var	styleAnchor = 'classAnchor'; //"text-decoration:none;color:black;"
	var	styleLightBorder= 'classLightborder' ; // "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();'>"+longDayName[(today.getDay()-startAt==-1)?6:(today.getDay()-startAt)]+" " + dateNow + " " + monthName[monthNow] + " " +	yearNow	+ "</a>"
			}

			sHTML1 ="<span id='spanLeft'  class='arrowleft'  style='cursor:pointer; ' onmouseover='this.className=\"arrowleft_over\";window.status=\""+scrollLeftMessage+"\"' onclick='javascript:decMonth()' onmouseout='clearInterval(intervalID1);this.className=\"arrowleft\";window.status=\"\"' onmousedown='clearTimeout(timeoutID1);timeoutID1=setTimeout(\"StartDecMonth()\",500)'	onmouseup='clearTimeout(timeoutID1);clearInterval(intervalID1)'>&nbsp;&nbsp;&nbsp;&nbsp;</span>&nbsp;"
			sHTML1+="<span id='spanRight' class='arrowright' style='cursor:pointer' onmouseover='this.className=\"arrowright_over\";window.status=\""+scrollRightMessage+"\"' onmouseout='clearInterval(intervalID1); this.className=\"arrowright\";window.status=\"\"' onclick='incMonth()' onmousedown='clearTimeout(timeoutID1);timeoutID1=setTimeout(\"StartIncMonth()\",500)'	onmouseup='clearTimeout(timeoutID1);clearInterval(intervalID1)'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>&nbsp;"
			sHTML1+="<span id='spanMonth' class='arrowdown'  style='cursor:pointer' onmouseover='this.className=\"arrowdown_over\";window.status=\""+selectMonthMessage+"\"' onmouseout='this.className=\"arrowdown\";window.status=\"\"' onclick='popUpMonth()'>&nbsp;&nbsp;</span>&nbsp;"
			sHTML1+="<span id='spanYear'  class='arrowdown'  style='cursor:pointer' onmouseover='this.className=\"arrowdown_over\";window.status=\""+selectYearMessage+"\"'	onmouseout='this.className=\"arrowdown\";window.status=\"\"'	onclick='popUpYear()'>&nbsp;&nbsp;</span>&nbsp;"

			document.getElementById("caption").innerHTML  =	sHTML1

			bPageLoaded=true
		}
	}

	function hideCalendar()
	{
		if (crossobj != undefined)
		{
			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)
		//frmelement.value=monthSelected + "/" + dateSelected + "/" + yearSelected;
		// COMMENTED BY SID TO MAKE IT WORKING ON MOZILLA ALSO.
		/*
		frmelement.options.value=monthSelected;
		frmelement1.options.value=dateSelected;*/

		frmelement.options[monthSelected+1].selected=true;
		var selected_date = dateSelected;

		frmelement1.options[selected_date].selected=true;

		frmelement2.options[yearSelected-yearNow].selected=true;

	}

	/*** 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=\"#f0f0f0\"' 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	class='selectmonthtable' 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=\"#f0f0f0\"' 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=\"#f0f0f0\"' 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=\"#f0f0f0\"' 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 class='selectyeartable' width='44' 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) {
      // Algorithm used:
      // From Klaus Tondering's Calendar document (The Authority/Guru)
      // hhtp://www.tondering.dk/claus/calendar.html
      year = n.getFullYear();
      month = n.getMonth() + 1;
      if (startAt == 0) {
         day = n.getDate() + 1;
      }
      else {
         day = n.getDate();
      }
	  a = (14-month) / 12;
      y = year + 4800 - a;
      m = month + (12 * a) - 3;
      J = day + (153 * m + 2) / 5 + (365 * y) + y / 4 - y / 100 + y / 400 - 32045;
 

 
	wk4 = ((((J + 31741 - (J % 7)) % 146097) % 36524) % 1461);
      L = Math.floor(wk4 / 1460);
      wk1 = (((wk4 - L) % 365) + L);
      week = Math.floor(wk1/7) + 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 class='calendertable'><tr>"

		if (showWeekNumber==1)
		{
			sHTML += "<td width=27 class='weekstring'>" + weekString + "</td><td width=1 rowspan=7 class='weeknumberheader' ><img src='"+imgDir+"divider.gif' width=1></td>"
		}

		for	(i=0; i<7; i++)	{
			sHTML += "<td width='27' class='weekdayname' >"+ dayName[i]+"</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 class='day'>"
			sStyle=styleAnchor
			if ((datePointer==odateSelected) &&	(monthSelected==omonthSelected)	&& (yearSelected==oyearSelected))
			{ 
				sStyle =styleLightBorder
			}

			sHint = '';

			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 + "\" class='"+sStyle+"' href='javascript:dateSelected="+datePointer+";closeCalendar();'><font class='today'>&nbsp;" + datePointer + "</font>&nbsp;</a></b>"}
			else if	(dayPointer % 7 == (startAt * -1)+1)
			{ sHTML += "<a "+dateMessage+" title=\"" + sHint + "\" class='"+sStyle+"' href='javascript:dateSelected="+datePointer + ";closeCalendar();'>&nbsp;<font class='sunday' >" + datePointer + "</font>&nbsp;</a>" }
			else
			{ sHTML += "<a "+dateMessage+" title=\"" + sHint + "\" class='"+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;&nbsp;&nbsp;&nbsp;"
		document.getElementById("spanYear").innerHTML =	"&nbsp;" + yearSelected	+ "&nbsp;&nbsp;&nbsp;&nbsp;"
	}

	function popUpCalendar(ctl,	ctl1, ctl2, ctl3, ctl4 ,format) {
		var	leftpos= -50
		var	toppos= 10

		hideCalendar();

		frmelement = ctl2;
		frmelement1 = ctl3;		
		frmelement2 = ctl4;		
		if (bPageLoaded)
		{
			if ( crossobj.visibility ==	"hidden" ) {
				ctlToPlaceValue	= ctl2
				dateFormat=format;
				
				formatChar = " "
				if (dateFormat == undefined) dateFormat = 'dd mmm yyyy';

				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 = Number(frmelement1.value);
//					monthSelected =	monthNow
					monthSelected =	Number(frmelement.value);
					monthSelected--;
					yearSelected = Number(frmelement2.value);
				}

				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 - 114:	fixedX
				crossobj.top = fixedY==-1 ?	ctl.offsetTop +	toppos + ctl.offsetHeight +	2 :	fixedY
				*/
				constructCalendar (1, monthSelected, yearSelected,ctl3);
				crossobj.visibility=(dom||ie)? "visible" : "show"
				

				var posy = 245;
				var posx = 476;

				if  (ctl.id == 'calvertrek')
				{
					
					posy += 32;
				}

				var o = document.getElementById('calendarwrap');

				o.style.left = posx + 'px';
				o.style.top  = posy + 'px';


				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
	}

	window.onload = init