/*
*+------------------------------------------------------------------------+
 *| Licensed Materials - Property of IBM
 *| BI and PM: prmt
 *| (C) Copyright IBM Corp. 2002, 2021
 *|
 *| US Government Users Restricted Rights - Use, duplication or
 *| disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
 *|
 *+------------------------------------------------------------------------+
*/

/*
	CDatePickerDialogIE5.js
	This script defines the properties and methods available to a popup dialog picker
	for the Date prompt control.
*/

//Constructor to create a new Date Picker Dialog / inline calendar
//	oDialog: the id of html container for the date picker
//	oParentControl: the Date Picker object
//	sRef: string, the name of the parent object
//	bInline: boolean, 0= popup , 1= inline calendar
//	iType: integer, 0= gregorian, 1= japanese imperial
//	iStartOfWeek: start day of the week. sunday = 1, monday = 2, ..., saturday = 7
function CDatePickerDialog(oDialog, oParentControl, sRef, bInline, iType, iStartOfWeek, sCVId, popupZIndex)
{
    

	this.setCVId(sCVId);
    if (popupZIndex == null){
      this.popupZIndex="115";
    } else {
    	this.popupZIndex = popupZIndex;
    }	
    //the html dialog
	this.m_oDialog = oDialog;
	
	//the iframe
	this.m_iFrame = (browserIsNS7() ? null : document.getElementById("pickerControl" + sRef +"iframe"));

	//the parent control
	this.m_oParentControl = oParentControl;
    this.m_sRef = sRef; // the unique id appended to the each object
	this.m_oYearWidget = document.getElementById("myYear" + this.m_sRef);

	//is the control to be: rendered on the page (inline=1)
	//or as a popup (inline=0)
	this.m_bInline = bInline;

	//determine browser for DHTML type
	this.m_isNS7 = browserIsNS7();

	//draw the localized months
	this.initMonths();

	//sunday = 1, monday = 2, ..., saturday = 7
	this.m_iStartOfWeek = iStartOfWeek;

	//draw the days of the week in the order specified
	this.initDays();

	//store the user selection, so that they can navigate through
	//months in a natural way, as months have different end days
	this.m_iUserDay = this.m_oParentControl.m_dDate.getDate();

	this.m_iType = iType;
	
	//will be used to store event listeners on the days.
	this.m_aHandles = [];
	
	if (!this.m_bInline)
	{
		this.m_oDialog.style.position = "absolute";
		this.m_oDialog.style.display = "none";
		this.m_oDialog.style.zIndex = this.popupZIndex;

		var v_divPicker = document.getElementById("dialogDatePicker" + this.m_sRef);
		if (v_divPicker)
		{
			PRMTUtils.f_addEvent( v_divPicker, "click", 
				function(v_oEvent){
					PRMTUtils.F_StopEvent(v_oEvent);
				}
			);
		}
		if (document && document.body && (!document.body.oDatePickerHandler || document.body.oDatePickerHandler[sCVId]!== true))
		{
			if (!document.body.oDatePickerHandler) {
				document.body.oDatePickerHandler = [sCVId];
			}
			var aDatePickersObservers = this.getObserverArray('datePickerObserverArray');
			document.body.oDatePickerHandler[sCVId] = true;
			PRMTUtils.f_addEvent( document.body, "click", 
				function(v_oEvent){
					v_oEvent = (v_oEvent ? v_oEvent : event);
					var v_oTarget = (v_oEvent.target ? v_oEvent.target : v_oEvent.srcElement);
					if ( !(v_oTarget && v_oTarget.tagName == "IMG" && v_oTarget.src && v_oTarget.src.match(/icon_datepicker.gif/i)) )
					{
						datePickerObserverNotify(aDatePickersObservers);
					}
				}
			);
		}

	}
	else
	{
		//refresh the date
		this.refreshDate(this.m_oParentControl.m_dDate);
		this.m_oDialog.style.visibility = "inherit";
	}
}

CDatePickerDialog.prototype = new CPromptControl();


//show and hide the dialog
function CDatePickerDialog_toggleDatePicker()
{
	//an iframe is used to prevent HTML controls from bleeding through the dialogs (IE only).
	var v_elIFrame = this.m_iFrame;
     
	//show the dialog if not already visible
	if ( this.isVisible() )
	{
		this.m_oDialog.style.display = "none";
		this.m_oDialog.style.zIndex = "1";
		if ( v_elIFrame !== null )
		{
			v_elIFrame.style.display = "none";
		}
	}
	else
	{
		//notify any date pickers that may already be open
		datePickerObserverNotify();
        
		//show the dialog
		this.m_oDialog.style.display = "inline";
		this.m_oDialog.style.zIndex = this.popupZIndex;
		var sId = "btnYearDown" + this.m_sRef;
		var focusEl = document.getElementById(sId);
		if (focusEl != null){
			window.setTimeout("document.getElementById('" + sId + "').focus();", 500);
		}
		//IE 5.0 has opaque iframes, for IE5.5 and above,
		//the iframe can be used to mask components that
		//bleed through a div element
		if (v_elIFrame !== null && typeof v_elIFrame.allowTransparency != K_PRMT_sUNDEFINED)
		{
			//move the iframe
			this.resizeIframe(v_elIFrame, this.m_oDialog);
			v_elIFrame.style.zIndex = "1";
			v_elIFrame.style.display = "inline";
		}
	}
	
}

//hide the dialog
function CDatePickerDialog_hidePicker()
{
	var v_iframe = this.m_iFrame;
	this.m_oDialog.style.display = "none";
	//an iframe is used to prevent HTML controls from bleeding through the dialogs
	if ( v_iframe !== null && v_iframe.style )
	{
		v_iframe.style.display = "none";
	}
	
}

function CDatePickerDialog_isVisible()
{
	return ( this.m_oDialog.style.display == "inline" );
}

//render the control with a new date
function CDatePickerDialog_refreshDate(dNewDate)
{
	if (!dNewDate)
	{
		//if there is no date, default to today date
		var d = new Date();
		dNewDate = d;

		this.m_oParentControl.m_dDate = d;
	}

	//calculate the number of days in the month and see
	//if the user selection is valid
	var iMaxDays = intGetDays(dNewDate.getMonth(), dNewDate.getFullYear());
	this.m_iUserDay = dNewDate.getDate();

	if (this.m_iUserDay > iMaxDays)
	{
		dNewDate.setDate(iMaxDays);
	}
	else
	{
		dNewDate.setDate(this.m_iUserDay);
	}

	// 0 = standard ; 1 = japaneseEmperor
	if (this.m_iType == 1)
	{
		this.drawEmperorYear(dNewDate);
	}
	else
	{
		this.drawYear(dNewDate);
	}

	this.refreshPickerLayout(dNewDate);
}

function CDatePickerDialog_refreshPickerLayout(dNewDate)
{
	//update the form control
	this.m_oParentControl.updateFormVariable(this.m_oParentControl.m_oForm, dNewDate);

	this.clearMonths();
	this.clearDays();
	this.drawMonth(dNewDate.getMonth());
	this.drawDays(dNewDate);
	this.refreshPickerIFrame();
}

function CDatePickerDialog_refreshPickerIFrame()
{
	if (this.m_iFrame !== null)
	{
		//an iframe is used to prevent HTML controls from bleeding through the dialogs
		this.resizeIframe(this.m_iFrame, this.m_oDialog);
	}
}

//increment the year by 1
function CDatePickerDialog_yearUp()
{

	var dNewDate = new Date ();
	dNewDate.setDate(1);
	dNewDate.setMonth(this.m_oParentControl.m_dDate.getMonth());
	var sCurYear = this.m_oParentControl.m_dDate.getFullYear();
	dNewDate.setFullYear(sCurYear +1);

	//check the number of days in the month
	var iMaxDays = intGetDays(dNewDate.getMonth(), dNewDate.getFullYear());

	if (this.m_iUserDay > iMaxDays)
	{
		dNewDate.setDate(iMaxDays);
	}
	else
	{
		dNewDate.setDate(this.m_iUserDay);
	}

	//enforce first and last dates
	//check to see if this date less than the first date
	//if so, then this is not a valid date
	if (this.m_oParentControl.m_dFirstDate)
	{
		if (bIsDateEarlier(dNewDate, this.m_oParentControl.m_dFirstDate) === true)
		{
			return;
		}
	}

	//check to see if this date is greater than the last date
	//if so, then this is not a valid date
	if (this.m_oParentControl.m_dLastDate)
	{
		if (bIsDateLater(dNewDate, this.m_oParentControl.m_dLastDate) === true)
		{
			//if the years are the same then see if a new month and day should be picked
			if (dNewDate.getYear() == this.m_oParentControl.m_dLastDate.getYear())
			{

				dNewDate.setMonth(this.m_oParentControl.m_dLastDate.getMonth());				
				dNewDate.setDate(this.m_oParentControl.m_dLastDate.getDate());
			}
			else
			{
				return;
			}
		}
	}

	//update the date
	this.m_oParentControl.m_dDate = dNewDate;

	//redraw the dialog
	this.refreshDate(this.m_oParentControl.m_dDate);
	//repaint date control
	this.m_oParentControl.drawDate();
	//update the parent control and check the date
	this.m_oParentControl.checkDate(this.m_oParentControl.m_oEditBox);
}

//increment the year down by 1
function CDatePickerDialog_yearDown()
{

	var dNewDate = new Date ();
	dNewDate.setDate(1);
	dNewDate.setMonth(this.m_oParentControl.m_dDate.getMonth());
	var sCurYear = this.m_oParentControl.m_dDate.getFullYear();
	//Do not do decrease the year by 1 if it's already 0.
	if (parseInt(sCurYear, 10) <= 0)
	{
		return;
	}

	dNewDate.setFullYear(sCurYear -1);

	var iMaxDays = intGetDays(dNewDate.getMonth(), dNewDate.getFullYear());

	if (this.m_iUserDay > iMaxDays)
	{
		dNewDate.setDate(iMaxDays);
	}
	else
	{
		dNewDate.setDate(this.m_iUserDay);
	}

	//enforce first and last dates
	//check to see if this date less than the first date
	//if so, then this is not a valid date
	if (this.m_oParentControl.m_dFirstDate)
	{
		if (bIsDateEarlier(dNewDate, this.m_oParentControl.m_dFirstDate) === true)
		{
			if (bIsDateEarlier(dNewDate, this.m_oParentControl.m_dFirstDate) === true)
			{
				//if the years are the same then see if a new month and day should be picked			
				if (dNewDate.getYear() == this.m_oParentControl.m_dFirstDate.getYear())
				{
					dNewDate.setMonth(this.m_oParentControl.m_dFirstDate.getMonth());				
					dNewDate.setDate(this.m_oParentControl.m_dFirstDate.getDate());
				}
				else
				{
					return;
				}
			}
		}
	}
	//check to see if this date is greater than the last date
	//if so, then this is not a valid date
	if (this.m_oParentControl.m_dLastDate)
	{
		if (bIsDateLater(dNewDate, this.m_oParentControl.m_dLastDate) === true)
		{
			return;
		}
	}

	//update the date
	this.m_oParentControl.m_dDate = dNewDate;

	//redraw the dialog
	this.refreshDate(this.m_oParentControl.m_dDate);

	//repaint date control
	this.m_oParentControl.drawDate();
	//update the parent control and check the date
	this.m_oParentControl.checkDate(this.m_oParentControl.m_oEditBox);
}

//initialize the months
function CDatePickerDialog_initMonths()
{
	for(var i=0;i<12;i++)
	{
		var idMonthWidget = this.m_sRef+"m"+i;
		var oMonthWidget = document.getElementById(idMonthWidget);
		oMonthWidget.innerHTML =  sGetMonth(i);
	}
}


//initialize the days
function CDatePickerDialog_initDays()
{
	//there are 7 spots for the days
	//start from the startDayOffset, then wrap to finish the beginning
	//convert to the start from zero to properly access the array.
	var iDayOfWeek = this.m_iStartOfWeek -1;
	var idDayWidget = null;
	var oDayWidget = null;
    for(var i=0;i + iDayOfWeek < 7 ;i++)
	{
		var iDayOffset = i + iDayOfWeek;
		idDayWidget = this.m_sRef+"d"+i;
		oDayWidget = document.getElementById(idDayWidget);
		oDayWidget.innerHTML =  sGetDay(iDayOffset);
	}
	for (i=0; i < iDayOfWeek; i++)
	{
	    idDayWidget = this.m_sRef+"d"+(7 - iDayOfWeek + i);
		oDayWidget = document.getElementById(idDayWidget);
		oDayWidget.innerHTML =  sGetDay(i);
	}

}

//Draw the year in the standard  way
function CDatePickerDialog_drawYear(dNewDate)
{
   var sYear = dNewDate.getFullYear();
	sYear = "0000" + sYear;
	sYear = sYear.substring(sYear.length-4, sYear.length);
	this.m_oYearWidget.value = sYear;
}

//draw the year in Japanese Emperor Time
function CDatePickerDialog_drawEmperorYear(dNewDate)
{

	var sEmperorYear = getJapaneseEra (dNewDate);
	this.m_oYearWidget.value = sEmperorYear;
}

//change the month
function CDatePickerDialog_newMonth(iMonth)
{
	//check the number of days in the month
	var iMaxDays = intGetDays(iMonth, this.m_oParentControl.m_dDate.getFullYear());
	var useDay;

	if (this.m_iUserDay > iMaxDays)
	{
		useDay = iMaxDays;
	}
	else
	{
		useDay = this.m_iUserDay;
	}

	//set the day and month after the day is taken care of
	var dNewDate = new Date (this.m_oParentControl.m_dDate.getFullYear(), iMonth, useDay);
	//set the year using the function "setFullYear" to completely make sure correct year is set for dNewDate
	dNewDate.setFullYear(this.m_oParentControl.m_dDate.getFullYear());

	//enforce first and last dates
	//check to see if this date less than the first date
	//if so, then this is not a valid date
	if (this.m_oParentControl.m_dFirstDate)
	{
		if (bIsDateEarlier(dNewDate, this.m_oParentControl.m_dFirstDate) === true)
		{

			//if the months are the same then see if a new day should be picked
			if (dNewDate.getMonth() == this.m_oParentControl.m_dFirstDate.getMonth())
			{
				var testDay = this.m_oParentControl.m_dFirstDate.getDate();
				if ((useDay < testDay) && (testDay <= iMaxDays))
				{
					dNewDate.setDate(testDay);
				}
			}
			else
			{
				return;
			}
		}
	}

	//check to see if this date is greater than the last date
	//if so, then this is not a valid date
	if (this.m_oParentControl.m_dLastDate)
	{
		if (bIsDateLater(dNewDate, this.m_oParentControl.m_dLastDate) === true)
		{
			//if the months are the same then see if a new day should be picked
			if (dNewDate.getMonth() == this.m_oParentControl.m_dLastDate.getMonth())
			{
				var testDay = this.m_oParentControl.m_dLastDate.getDate();
				if ((useDay > testDay) && (testDay <= iMaxDays))
				{
					dNewDate.setDate(testDay);
				}
			}
			else
			{
				return;
			}
		}
	}

	this.m_oParentControl.m_dDate = dNewDate;

	//redraw the control
	this.refreshDate(this.m_oParentControl.m_dDate);

	//update the parent control
	this.m_oParentControl.drawDate();
	//update the parent control and check the date
	this.m_oParentControl.checkDate(this.m_oParentControl.m_oEditBox);
}

//clear the months
function CDatePickerDialog_clearMonths()
{
	var iCurMonth=0;
	for (iCurMonth=0; iCurMonth <12; iCurMonth++)
	{
		var idCurMonthWidget = this.m_sRef+"m"+iCurMonth;
		//reset element
		document.getElementById(idCurMonthWidget).className = "clsSelectDateMonths pm";
	}
}

//render the selected month
function CDatePickerDialog_drawMonth(iMonth)
{
	//are there days in this month that might be
	//too early or too late
	var bValuesEarlier = false;
	var bValuesLater = false;
	var currentYear = this.m_oParentControl.m_dDate.getFullYear();

	if (this.m_oParentControl.m_dFirstDate)
	{
		if (currentYear <= this.m_oParentControl.m_dFirstDate.getFullYear())
		{
			bValuesEarlier = true;
		}
	}

	if (this.m_oParentControl.m_dLastDate)
	{
		if (currentYear >= this.m_oParentControl.m_dLastDate.getFullYear())
		{
			bValuesLater = true;
		}
	}

	//loop through the table
	for (var c = 0; c < 12; c++)
	{
		var iMonthWidget = this.m_sRef+"m"+c;

		// make bold if this is the current month
		if (iMonth == c)
		{
			document.getElementById(iMonthWidget).className = "clsSelectDateMonthsSelected pms";
			document.getElementById(iMonthWidget).setAttribute("aria-selected","true");
			document.getElementById(iMonthWidget).setAttribute("tabindex","0");
			document.getElementById(iMonthWidget).setAttribute("role","option");
		}

		//if the current year is less than or equal to the first year
		//then we have to worry about some months that may not be valid
		//get the number of days for each month and compare with the first date
		else if ((bValuesEarlier === true) && ( bIsDateEarlier(new Date(currentYear, c, intGetDays(c, currentYear)), this.m_oParentControl.m_dFirstDate) === true ))
		{
			document.getElementById(iMonthWidget).className = "clsSelectDateMonthsDisabled pmd";
			document.getElementById(iMonthWidget).setAttribute("aria-selected","false");
			document.getElementById(iMonthWidget).setAttribute("tabindex","0");
			document.getElementById(iMonthWidget).setAttribute("role","option");
		}
		else if ((bValuesLater === true) && (bIsDateLater(new Date(currentYear, c, 1), this.m_oParentControl.m_dLastDate) === true ))
		{
			document.getElementById(iMonthWidget).className = "clsSelectDateMonthsDisabled pmd";
			document.getElementById(iMonthWidget).setAttribute("aria-selected","false");
			document.getElementById(iMonthWidget).setAttribute("tabindex","0");
			document.getElementById(iMonthWidget).setAttribute("role","option");
		}
		else
		{
			document.getElementById(iMonthWidget).className = "clsSelectDateMonths pm";
			document.getElementById(iMonthWidget).setAttribute("aria-selected","false");
			document.getElementById(iMonthWidget).setAttribute("tabindex","0");
			document.getElementById(iMonthWidget).setAttribute("role","option");
		}
    }		
}

//change the day
function CDatePickerDialog_newDay(oDayObj)
{
    var iNewDay = parseInt(oDayObj.innerHTML,10);
    //check to see if this is a valid day
	if (!isNaN(iNewDay))
	{
	    //update the user selection
		this.m_iUserDay = iNewDay;

		var dNewDate = new Date ();
		dNewDate.setDate(1);
		dNewDate.setMonth(this.m_oParentControl.m_dDate.getMonth());
		dNewDate.setFullYear(this.m_oParentControl.m_dDate.getFullYear());

		dNewDate.setDate(iNewDay);

		//enforce first and last dates
		//check to see if this date less than the first date
		//if so, then this is not a valid date
		if (this.m_oParentControl.m_dFirstDate)
		{
			if (bIsDateEarlier(dNewDate, this.m_oParentControl.m_dFirstDate) === true)
			{
			    return;
			}
		}

		//check to see if this date is greater than the last date
		//if so, then this is not a valid date
		if (this.m_oParentControl.m_dLastDate)
		{
			if (bIsDateLater(dNewDate, this.m_oParentControl.m_dLastDate) === true)
			{
			    return;
			}
		}

		//update the date
		this.m_oParentControl.m_dDate = dNewDate;
		this.refreshDate(this.m_oParentControl.m_dDate);

		//update the parent control
		this.m_oParentControl.drawDate();

		//toggle the picker control if it is a popup control
		if (!this.m_bInline)
		{
			this.hidePicker();
			window.setTimeout("document.getElementById('txtDate" + this.m_sRef +"').focus();",500);
		}
	}
	//update the parent control and check the date
	this.m_oParentControl.checkDate(this.m_oParentControl.m_oEditBox);
}

function CDatePickerDialog_drawDays(dCurDate)
{
	//clear the days before drawing new days
	this.clearDays();
    
	//determine the day of the week the month starts on
	var dBeginDay = new Date (dCurDate.getFullYear(),dCurDate.getMonth(),1);

	//Sunday is 0, Monday is 1, Saturday is 6
	var iBeginDayDate = dBeginDay.getDay();

	//calculate the number of days in the month
	var iCountDay = intGetDays(dCurDate.getMonth(), dCurDate.getFullYear());
	var iTestDay = dCurDate.getDate();

	//define counters
	var i=0;
	var j=0;

	//figure out what slot to start the month in
	var iStartCell = iBeginDayDate - this.m_iStartOfWeek + 1;

	if ( iStartCell > 0 )
	{
		i = iStartCell;
	}
	else if ( iStartCell === 0)
	{
		i = 0;
	}
	else
	{
		i = 7 + iStartCell;
	}

	//are there days in this month that might be
	//too early or too late
	var bValuesEarlier = false;
	var bValuesLater = false;

	if (this.m_oParentControl.m_dFirstDate)
	{
		if (bIsDateEarlier(dBeginDay, this.m_oParentControl.m_dFirstDate) === true)
		{
			bValuesEarlier = true;
		}
	}

	var dEndDay = new Date (dCurDate.getFullYear(),dCurDate.getMonth(),iCountDay);
	//check to see if this date is greater than the last date
	//if so, then this is not a valid date
	if (this.m_oParentControl.m_dLastDate)
	{
		if (bIsDateLater(dEndDay, this.m_oParentControl.m_dLastDate) === true)
		{
			bValuesLater = true;
		}
	}

	//loop through the table
	var oColumnName;
	var idCurDayWidget;
	var firstStart = true;
	for (var c=1;c < iCountDay +1;c++)
	{
		//determine the correct column
		if ( this.m_isNS7 )
		{
			idCurDayWidget = this.m_sRef+"r"+j+"c"+i;
			oColumnName = document.getElementById(idCurDayWidget);
		}
		else
		{
			if ( i === 0 || firstStart )
			{
				idCurDayWidget = this.m_sRef+"r"+j+"c"+i;
				oColumnName = document.getElementById(idCurDayWidget);
			}
			else
			{
				oColumnName = oColumnName.nextSibling;
			}
			firstStart = false;
		}

		oColumnName.innerHTML =  c;
		oColumnName.setAttribute("role","option");
		oColumnName.setAttribute("aria-describedby",this.m_sRef + "d" + i);

		this.addEventListenerForDay(oColumnName, "mousedown", this.newDay.bind(this, oColumnName));
		var calendarComp=this;
		if (c == iCountDay) {
			this.addEventListenerForDay( oColumnName, "keydown",function (e) {if ((e.keyCode == 9)&&(!e.shiftKey)){if (calendarComp.checkTabFocus(this)){PRMTUtils.F_StopEvent(e);}} else if ((e.keyCode == 13) || (e.keyCode == 32)) {calendarComp.newDay(this);}});    
		} else {
			this.addEventListenerForDay( oColumnName, "keydown",function (e) {if ((e.keyCode == 13) || (e.keyCode == 32)) {calendarComp.newDay(this);}});
		}
		
		oColumnName.setAttribute("tabindex","0");		

		//shade the selected color
		if (c == iTestDay)
		{
			oColumnName.className = "clsSelectDateDaysSelected pds";
			oColumnName.setAttribute("aria-selected", "true");
		} 

		//check to see if the day is in the valid range
		else if ((bValuesEarlier === true) && (c < this.m_oParentControl.m_dFirstDate.getDate()))
		{
			oColumnName.className = "clsSelectDateDaysDisabled pdd";
			oColumnName.setAttribute("aria-selected", "false");
			oColumnName.setAttribute("tabindex", "0");
			oColumnName.setAttribute("role", "option");
		}

		else if ((bValuesLater === true) && (c > this.m_oParentControl.m_dLastDate.getDate()))
		{
			oColumnName.className = "clsSelectDateDaysDisabled pdd";
			oColumnName.setAttribute("aria-selected", "false");
			oColumnName.setAttribute("tabindex", "0");
			oColumnName.setAttribute("role", "option");
			
		}

		else
		{
			oColumnName.className = "clsSelectDateDays pd";
			oColumnName.setAttribute("aria-selected", "false");
			oColumnName.setAttribute("tabindex", "0");
			oColumnName.setAttribute("role", "option");
			
		}

		//increment the day counter
		i++;
		//check to see if finished the row
		if (i==7){i=0;j++;}
	}
}

//remove the days from the calendar picker
function CDatePickerDialog_clearDays()
{
	var idCurDayWidget;
	var oColumnName;
	var curWeek;

	if ( !this.m_isNS7 )
	{
		idCurDayWidget = this.m_sRef+"r"+0+"c"+0;
		oColumnName = document.getElementById(idCurDayWidget);
		curWeek = oColumnName.parentElement;
	}
	
	// RTC Story 373917 [Web a11y] Make the Date prompt accessible
	// Must remove the event handlers so that they do not get regisered multiple times
	this.removeEventListenersFromDays();
	
	var i = 0;
	for(var j=0;j<6;j++)
	{
		if ( this.m_isNS7 )
		{
			for(i=0;i<7;i++)
			{
				idCurDayWidget = this.m_sRef+"r"+j+"c"+i;
				oColumnName = document.getElementById(idCurDayWidget);
				oColumnName.removeAttribute("tabindex");
				oColumnName.removeAttribute("role");
				oColumnName.removeAttribute("aria-selected");
				oColumnName.innerHTML =  K_PRMT_sEMPTY;
				oColumnName.className = "clsSelectDate";
			}
		}
		else
		{
			var aDay = curWeek.firstChild;
			for(i=0;i<7;i++)
			{
				aDay.innerHTML = K_PRMT_sEMPTY;
				aDay.className = "clsSelectDate";
				aDay = aDay.nextSibling;
			}
			curWeek = curWeek.nextSibling;
		}
	}
}

function CDatePickerDialog_addEventListenerForDay(v_oElement, v_sEvent, v_fnListener)
{
	if ( v_oElement )
	{
		if ( v_oElement.addEventListener )
		{
			v_oElement.addEventListener( v_sEvent, v_fnListener, false );
			this.m_aHandles.push({remove: function() { v_oElement.removeEventListener(v_sEvent, v_fnListener, false); }});
		}
		else
		{
			v_oElement.attachEvent( 'on' + v_sEvent, v_fnListener );
			this.m_aHandles.push({remove: function() { v_oElement.detachEvent('on' + v_sEvent, v_fnListener); }});
		}
	}
}

function CDatePickerDialog_removeEventListenersFromDays()
{
	while (this.m_aHandles.length > 0)
	{
		var v_oHandle = this.m_aHandles.pop();
		v_oHandle.remove();
	}
}

//render the check date pass state
function CDatePickerDialog_checkDatePass(oEditBox)
{
	oEditBox.className = "clsSelectDateYearEditBox";
	this.m_oParentControl.checkDatePass(null);
	
	this.notify(gPASS, this);
}

//render the check date failure state
function CDatePickerDialog_checkDateFail(oEditBox)
{
	oEditBox.className = "clsSelectDateYearEditBoxParseError";
	this.m_oParentControl.checkDateFail(null);

	this.notify(gFAIL, this);
}

function CDatePickerDialog_getYearFromEditBox(oEditBox)
{
	//check to see if this is a valid date
	var sTestYear = oEditBox.value;
	var iYear = false;
	if ( this.m_iType == 1 )
	{
		iYear = iTestEra(sTestYear);
	}
	else if ( boolTestYear(sTestYear) )
	{
		iYear = sTestYear;
		if (iYear.length == 2)
		{
			iYear = sShortToFullYearConversion(iYear);
		}
	}

	return iYear;
}

//test the year
function CDatePickerDialog_checkYear(oEditBox)
{
	//check to see if this is a valid date
	var iYear = this.getYearFromEditBox(oEditBox);

	if ( iYear === false )
	{
		this.checkDateFail(oEditBox);
	}
	else
	{
		this.checkDatePass(oEditBox);
		var v_oParentControl = this.m_oParentControl;
		var v_oParentControlDate = v_oParentControl.m_dDate;
		v_oParentControlDate.setFullYear(iYear);

		if (this.m_iType == 1)
		{
			// using emperor time
			// refreshDate() will call refreshPickerLayout()
			this.refreshDate(v_oParentControlDate);
		}
		else
		{
			this.refreshPickerLayout(v_oParentControlDate);
		}

		//draw months and days
		v_oParentControl.drawDate();
		v_oParentControl.checkDate(v_oParentControl.m_oEditBox);

	}
}

//catch the backspace key
//some browsers (IE5.5 don't capture this event)
function CDatePickerDialog_keyPress(sKeyCode)
{
	if (sKeyCode=='8')
	{
		//check the data that has been typed in
		this.checkYear(this.m_oYearWidget);
	}

	return true;
}

//handle lost focus for the control
function CDatePickerDialog_lostFocus()
{
	//redraw the date
	this.refreshDate(this.m_oParentControl.m_dDate);
	this.m_oParentControl.drawDate();
	this.checkDatePass(this.m_oYearWidget);
}

//handle reset focus to popup button if necessary to keep the focus inside the popup
function CDatePickerDialog_checkTabFocus()
{
   if (!this.m_bInline)
   {
	var btnYearDownButton = document.getElementById("btnYearDown" + this.m_sRef);
	if (btnYearDownButton != null){
		btnYearDownButton.focus();
		return true;
	}
   } else {
	var pickerButton = document.getElementById(this.m_sRef + "imgPicker");
   	if (pickerButton != null){
      		pickerButton.focus();
      		return true;
   	}
   }
   return false;
}

//IE specific, draw an iframe behind the date picker to
//prevent bleed through of controls
function CDatePickerDialog_resizeIframe(iframe, oDialog)
{
	var v_oParent = iframe;
	while ( v_oParent = v_oParent.parentNode )
	{
		// Using CSS class "cogstyle-filter-body" to identify Cognos Admin filter pages.
		if ( v_oParent.className == "cogstyle-filter-body" )
		{
			// Bug 553594.1 - Date controls in the filter pane in CC aren't positioning themself correctly.
			// It conflicts with how the page is rendered by CC (other elements in the page are using position:relative)
			// which interfere with the pop-up calendar (or any element set with position:absolute).
			// Solution here is to leave the calendar under the input field rather than moving it under the icon that triggers
			// the pop-up dialog.
			return;
		}
	}

	if ( iframe.parentNode != oDialog.parentNode )
	{
		iframe.parentNode.removeChild(iframe);
		oDialog.parentNode.insertBefore(iframe, oDialog);
	}

	if (this.m_isNS7 === true)
	{
		iframe.style.left = oDialog.style.left;
		iframe.style.top = oDialog.style.top;
		iframe.style.width = oDialog.width;
		iframe.style.height = oDialog.height;
	}
	else
	{
		iframe.style.pixelLeft = oDialog.style.pixelLeft;
		iframe.style.pixelTop = oDialog.style.pixelTop;

		iframe.style.pixelWidth = oDialog.offsetWidth;
		iframe.style.pixelHeight = oDialog.offsetHeight;
	}
}

//Prototypes to assign methods to new instances of the object
CDatePickerDialog.prototype.toggleDatePicker = CDatePickerDialog_toggleDatePicker;
CDatePickerDialog.prototype.refreshDate = CDatePickerDialog_refreshDate;
CDatePickerDialog.prototype.yearUp = CDatePickerDialog_yearUp;
CDatePickerDialog.prototype.yearDown = CDatePickerDialog_yearDown;
CDatePickerDialog.prototype.drawYear = CDatePickerDialog_drawYear;
CDatePickerDialog.prototype.newMonth = CDatePickerDialog_newMonth;
CDatePickerDialog.prototype.drawMonth = CDatePickerDialog_drawMonth;
CDatePickerDialog.prototype.clearMonths = CDatePickerDialog_clearMonths;
CDatePickerDialog.prototype.newDay = CDatePickerDialog_newDay;
CDatePickerDialog.prototype.drawDays = CDatePickerDialog_drawDays;
CDatePickerDialog.prototype.clearDays = CDatePickerDialog_clearDays;
CDatePickerDialog.prototype.drawEmperorYear = CDatePickerDialog_drawEmperorYear;
CDatePickerDialog.prototype.hidePicker = CDatePickerDialog_hidePicker;
CDatePickerDialog.prototype.isVisible = CDatePickerDialog_isVisible;
CDatePickerDialog.prototype.checkYear = CDatePickerDialog_checkYear;
CDatePickerDialog.prototype.lostFocus = CDatePickerDialog_lostFocus;
CDatePickerDialog.prototype.initMonths = CDatePickerDialog_initMonths;
CDatePickerDialog.prototype.initDays = CDatePickerDialog_initDays;
CDatePickerDialog.prototype.checkDateFail = CDatePickerDialog_checkDateFail;
CDatePickerDialog.prototype.checkDatePass = CDatePickerDialog_checkDatePass;
CDatePickerDialog.prototype.keyPress = CDatePickerDialog_keyPress;
CDatePickerDialog.prototype.resizeIframe = CDatePickerDialog_resizeIframe;
CDatePickerDialog.prototype.getYearFromEditBox = CDatePickerDialog_getYearFromEditBox;
CDatePickerDialog.prototype.refreshPickerIFrame = CDatePickerDialog_refreshPickerIFrame;
CDatePickerDialog.prototype.refreshPickerLayout = CDatePickerDialog_refreshPickerLayout;
CDatePickerDialog.prototype.checkTabFocus = CDatePickerDialog_checkTabFocus;
CDatePickerDialog.prototype.removeEventListenersFromDays = CDatePickerDialog_removeEventListenersFromDays;
CDatePickerDialog.prototype.addEventListenerForDay = CDatePickerDialog_addEventListenerForDay;