/**************************************** CALENDAR 28.02.05 ****************/

//	written	by Tan Ling	Wee	on 2 Dec 2001
//	last updated 20 Jun 2003
//	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 = 1;	// 0 - don't show; 1 - show
	var showToday = 0;		// 0 - don't show; 1 - show
	var imgDir = "i/";	// directory for images ... e.g. var imgDir="/img/"

//T	var gotoString = "Go To Current Month";
//T	var todayString = "Today is";
//T	var weekString = "Wk";
//T	var scrollLeftMessage = "Click to scroll to previous month. Hold mouse button to scroll automatically.";
//T	var scrollRightMessage = "Click to scroll to next month. Hold mouse button to scroll automatically.";
//T	var selectMonthMessage = "Click to select a month.";
//T	var selectYearMessage = "Click to select a year.";
//T	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	bCalendarInited=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("cal_drop1.gif","cal_drop2.gif","cal_left1.gif","cal_left2.gif","cal_right1.gif","cal_right2.gif");
	var	img	= new Array();
	var	bImgLoaded  =  false;

	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 );
	}


	function loadImages() {
		if (bImgLoaded) return;
		for	(i=0;i<imgsrc.length;i++) {
			img[i] = new Image;
			img[i].src= imgDir + imgsrc[i];
		}
		bImgLoaded =  true; 
        }
        var bLoadImagesPresent = true;

	if (_dom_)
	{
//	        loadImages();
		document.write ("<div onclick='bShow=true' id='calendar'	class='div-style'><table width="+((showWeekNumber==1)?250:220)+" class='table-style'><tr class='title-background-style' ><td><table width='"+((showWeekNumber==1)?248:218)+"'><tr><td class='title-style'><B><span id='caption'></span></B></td><td align=right><a href='javascript:hideCalendar()'><IMG SRC='"+imgDir+"cal_close.gif' WIDTH='15' HEIGHT='13' BORDER='0' ALT='Close the Calendar'></a></td></tr></table></td></tr><tr><td class='body-style'><span id='content'></span></td></tr>");

		if (showToday==1)
		{
			document.write ("<tr class='today-style'><td><span id='lblToday'></span></td></tr>");
		}

		document.write ("</table></div><div id='selectMonth' class='div-style'></div><div id='selectYear' class='div-style'></div>");
	}

//T	var	monthName =	new	Array("January","February","March","April","May","June","July","August","September","October","November","December");
//T	var	monthName2 = new Array("JAN","FEB","MAR","APR","MAY","JUN","JUL","AUG","SEP","OCT","NOV","DEC");

//	if (startAt==0)
//	{
//T		dayName = new Array	("Sun","Mon","Tue","Wed","Thu","Fri","Sat");
//	}
//	else
//	{
//T		dayName = new Array	("Mon","Tue","Wed","Thu","Fri","Sat","Sun");
//	}

	function swapImage(srcImg, destImg){
		if (_ie_)	{ document.getElementById(srcImg).setAttribute("src",imgDir + destImg); }
	}

	function init_cal()	{
	        if (bCalendarInited) return;
	        if ((monthName == null) || (monthName2 == null) || (dayName == null) || (todayString == null)) return;
                if (!bImgLoaded) loadImages();
		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 class='today-style' onmousemove='window.status=\""+gotoString+"\"' onmouseout='window.status=\"\"' title='"+gotoString+"' 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'  class='title-control-normal-style' onmouseover='swapImage(\"changeLeft\",\"cal_left2.gif\");this.className=\"title-control-select-style\";window.status=\""+scrollLeftMessage+"\"' onclick='javascript:decMonth()' onmouseout='clearInterval(intervalID1);swapImage(\"changeLeft\",\"cal_left1.gif\");this.className=\"title-control-normal-style\";window.status=\"\"' onmousedown='clearTimeout(timeoutID1);timeoutID1=setTimeout(\"StartDecMonth()\",500)'	onmouseup='clearTimeout(timeoutID1);clearInterval(intervalID1)'>&nbsp<IMG id='changeLeft' SRC='"+imgDir+"cal_left1.gif' width=10 height=11 BORDER=0>&nbsp</span>&nbsp;";
			sHTML1+="<span id='spanRight' class='title-control-normal-style' onmouseover='swapImage(\"changeRight\",\"cal_right2.gif\");this.className=\"title-control-select-style\";window.status=\""+scrollRightMessage+"\"' onmouseout='clearInterval(intervalID1);swapImage(\"changeRight\",\"cal_right1.gif\");this.className=\"title-control-normal-style\";window.status=\"\"' onclick='incMonth()' onmousedown='clearTimeout(timeoutID1);timeoutID1=setTimeout(\"StartIncMonth()\",500)'	onmouseup='clearTimeout(timeoutID1);clearInterval(intervalID1)'>&nbsp<IMG id='changeRight' SRC='"+imgDir+"cal_right1.gif'	width=10 height=11 BORDER=0>&nbsp</span>&nbsp";
			sHTML1+="<span id='spanMonth' class='title-control-normal-style' onmouseover='swapImage(\"changeMonth\",\"cal_drop2.gif\");this.className=\"title-control-select-style\";window.status=\""+selectMonthMessage+"\"' onmouseout='swapImage(\"changeMonth\",\"cal_drop1.gif\");this.className=\"title-control-normal-style\";window.status=\"\"' onclick='popUpMonth()'></span>&nbsp;";
			sHTML1+="<span id='spanYear'  class='title-control-normal-style' onmouseover='swapImage(\"changeYear\",\"cal_drop2.gif\");this.className=\"title-control-select-style\";window.status=\""+selectYearMessage+"\"'	onmouseout='swapImage(\"changeYear\",\"cal_drop1.gif\");this.className=\"title-control-normal-style\";window.status=\"\"'	onclick='popUpYear()'></span>&nbsp;";

			document.getElementById("caption").innerHTML  =	sHTML1;

			bCalendarInited=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>",monthName2[m]);
		sTmp = sTmp.replace	("yyyy",y);
		return sTmp.replace ("yy",padZero(y%100));
	}

	function closeCalendar() {
		var	sTmp;

		hideCalendar();
		if (ctlToPlaceValue.tagName == "SELECT")
		{
			opt = new Option();
			opt.text = constructDate(dateSelected,monthSelected,yearSelected);
			opt.value = opt.text;
			ctlToPlaceValue.options.add(opt);
		}
		else
			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.className=\"dropdown-select-style\"' onmouseout='this.className=\"dropdown-normal-style\"' onclick='monthConstructed=false;monthSelected=" + i + ";constructCalendar();popDownMonth();event.cancelBubble=true'>&nbsp;" + sName + "&nbsp;</td></tr>";
			}

			document.getElementById("selectMonth").innerHTML = "<table width=70	class='dropdown-style' 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.className=\"dropdown-select-style\"' onmouseout='clearInterval(intervalID1);this.className=\"dropdown-normal-style\"' 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.className=\"dropdown-select-style\"' onmouseout='this.className=\"dropdown-normal-style\"' onclick='selectYear("+j+");event.cancelBubble=true'>&nbsp;" + sName + "&nbsp;</td></tr>";
				j ++;
			}

			sHTML += "<tr><td align='center' onmouseover='this.className=\"dropdown-select-style\"' onmouseout='clearInterval(intervalID2);this.className=\"dropdown-normal-style\"' onmousedown='clearInterval(intervalID2);intervalID2=setInterval(\"incYear()\",30)'	onmouseup='clearInterval(intervalID2)'>+</td></tr>";

			document.getElementById("selectYear").innerHTML	= "<table width=44 class='dropdown-style' 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 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 class='body-style'><tr>";

		if (showWeekNumber==1)
		{
			sHTML += "<td width=27><b>" + weekString + "</b></td><td width=1 rowspan=7 class='weeknumber-div-style'><img src='"+imgDir+"1.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>";

			var sStyle="normal-day-style"; //regular day

			if ((datePointer==dateNow)&&(monthSelected==monthNow)&&(yearSelected==yearNow)) //today
			{ sStyle = "current-day-style"; }
			else if	(dayPointer % 7 == (startAt * -1) +1) //end-of-the-week day
			{ sStyle = "end-of-weekday-style"; }

			//selected day
			if ((datePointer==odateSelected) &&	(monthSelected==omonthSelected)	&& (yearSelected==oyearSelected))
			{ sStyle += " selected-day-style"; }

			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 += " holiday-style";
						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=\"\"' ";

			sHTML += "<a class='"+sStyle+"' "+dateMessage+" title=\"" + sHint + "\" 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+"cal_drop1.gif' WIDTH='12' HEIGHT='10' BORDER=0>";
		document.getElementById("spanYear").innerHTML =	"&nbsp;" + yearSelected	+ "&nbsp;<IMG id='changeYear' SRC='"+imgDir+"cal_drop1.gif' WIDTH='12' HEIGHT='10' BORDER=0>";
	}

	function popUpCalendar(ctl,	ctl2, format) {
		var	leftpos=0;
		var	toppos=0;

		if (!bCalendarInited) {
			init_cal();
			if (!bCalendarInited) return;
		}
		if (ctl2.disabled) return;

		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;
		}
	}

	var SaveOnDocumentKeypress = document.onkeypress;
	document.onkeypress = function hidecal1 (event) {
		if (window.event) { event = window.event; }
		if (SaveOnDocumentKeypress != null){SaveOnDocumentKeypress(event);}
		if (bCalendarInited && (event) && (event.keyCode == 27)) hideCalendar();
	}
	var SaveOnDocumentClick = document.onclick;
	document.onclick = function hidecal2 () {
		if (SaveOnDocumentClick != null) SaveOnDocumentClick();
		if (bCalendarInited && !bShow) hideCalendar();
		bShow = false;
	}

