function Epoch(name,mode,lingua,targetelement,multiselect) {
	var self = this;
	function calConfig() {
		self.versionNumber = '6.6.6';
		self.displayYearInitial = self.curDate.getFullYear();
		self.displayMonthInitial = self.curDate.getMonth();
		self.displayYear = self.displayYearInitial;
		self.displayMonth = self.displayMonthInitial;
		self.minDate = new Date(2011,1,1);
		self.maxDate = new Date(2011,12,31);
		self.startDay = 0;
		self.showWeeks = true;
		self.selCurMonthOnly = true;
		self.showClearButton = false;
	}

	function setLang() {
		var giorni = new Array();
		var mesi = new Array();
		var avanti = new Array();
		var indietro = new Array();
		var annulla = new Array();
		var annulla_desc = new Array();
		var chiudi = new Array();
		var chiudi_desc = new Array();
		var limite = new Array();
		
		/*ITALIANO*/ 
		giorni[1] = new Array('Dom','Lun','Mar','Mer','Gio','Ven','Sab','Dom','Lun','Mar','Mer','Gio','Ven','Sab');
		mesi[1] = new Array('Gen','Feb','Mar','Apr','Mag','Giu','Lug','Ago','Set','Ott','Nov','Dic');
		avanti[1] = "Prossimo mese";
		indietro[1] = "Mese precedente"
		annulla[1] = "Cancella";
		annulla_desc[1] = "Deseleziona tutte le date presenti nel calendario";
		chiudi[1]="Chiudi";
		chiudi_desc[1]="Chiudi il calendario";
		limite[1]="Data non valida, hai raggiunto il limite"; 
		
		/*INGLESE */ 
		giorni[2] = new Array('Sun','Mon','Tue','Wed','Thu','Fri','Sat','Sun','Mon','Tue','Wed','Thu','Fri','Sat');
		mesi[2] = new Array('Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec');
		avanti[2] = "Go to the next month";
		indietro[2] = "Go to the previous month";
		annulla[2] = "Clear";
		annulla_desc[2] = "Clears any dates selected on the calendar";
		chiudi[2]="Close";
		chiudi_desc[2]="Close the calendar";
		limite[2]="This is the maximum range"; 
				
		/*TEDESCO*/ 
		giorni[4] = new Array('Son','Mon','Die','Mit','Don','Fre','Sam','Son','Mon','Die','Mit','Don','Fre','Sam');
		mesi[4] = new Array('Jan','Feb','Mär','Apr','Mai','Jun','Jul','Aug','Sep','Okt','Nov','Dez');
		avanti[4] = "Nächsten Monate";
		indietro[4] = "Vorhergehenden Monate";
		annulla[4] = "Frei";
		annulla_desc[4] = "Clears any dates selected on the calendar";
		chiudi[4]="Schließen";
		chiudi_desc[4]="Schließen Kalender";
		limite[4]="Ungültiges Datum, maximale begrenzung";
		
		/*SPAGNOLO */ 
		giorni[5] = new Array('Dom','Lun','Mar','Mír','Jue','Vie','Sáb','Dom','Lun','Mar','Mír','Jue','Vie','Sáb');
		mesi[5] = new Array('Ene','Feb','Mar','Abr','Maj','Jun','Jul','Ago','Sep','Oct','Nov','Dic');
		avanti[5] = "Ir al mes siguiente";
		indietro[5] = "Ir al mes Anterior";
		annulla[5] = "Borrar";
		annulla_desc[5] = "Borra la fechas seleccionadas en el calendario";
		chiudi[5]="Cerrar";
		chiudi_desc[5]="Cerra el calendario";
		limite[5]="Fecha no válida, alcance máximo"; 
		
		
		self.daylist = giorni[lingua];
		self.months_sh = mesi[lingua];
		self.monthup_title = avanti[lingua];
		self.monthdn_title = indietro[lingua];
		self.clearbtn_caption = annulla[lingua];
		self.clearbtn_title = annulla_desc[lingua];
		self.maxrange_caption = limite[lingua];
		self.closebtn_caption = chiudi[lingua];
		self.closebtn_title = chiudi_desc[lingua];
	}
	
	function setDays() {
		self.daynames = new Array();
		var j=0;
		for(var i=self.startDay;i<self.startDay + 7;i++) {
			self.daynames[j++] = self.daylist[i];
		}
		self.monthDayCount = new Array(31,((self.curDate.getFullYear() - 2000) % 4 ? 28 : 29),31,30,31,30,31,31,30,31,30,31);
	}
	function createCalendar() {
		var tbody, tr, td;
		self.calendar = document.createElement('table');
		self.calendar.setAttribute('id',self.name+'_calendar');
		setClass(self.calendar,'calendar');
		self.calendar.style.display = 'none';
		addEventHandler(self.calendar,'selectstart', function() {return false;});
		addEventHandler(self.calendar,'drag', function() {return false;});
		tbody = document.createElement('tbody');
		tr = document.createElement('tr');
		td = document.createElement('td');
		td.appendChild(createMainHeading());
		tr.appendChild(td);
		tbody.appendChild(tr);
		tr = document.createElement('tr');
		td = document.createElement('td');
		self.calendar.celltable = document.createElement('table');
		setClass(self.calendar.celltable,'cells');
		self.calendar.celltable.appendChild(createDayHeading());
		self.calendar.celltable.appendChild(createCalCells());
		td.appendChild(self.calendar.celltable);
		tr.appendChild(td);
		tbody.appendChild(tr);
		tr = document.createElement('tr');
		td = document.createElement('td');
		td.appendChild(createFooter());
		tr.appendChild(td);
		tbody.appendChild(tr);
		self.calendar.appendChild(tbody);
		addEventHandler(self.calendar,'mouseover',cal_onmouseover);
		addEventHandler(self.calendar,'mouseout',cal_onmouseout);
	}
	function createMainHeading() {
		var container = document.createElement('div');
		setClass(container,'mainheading');
		self.monthSelect = document.createElement('select');
		self.yearSelect = document.createElement('select');
		var monthDn = document.createElement('input'), monthUp = document.createElement('input');
		var opt, i;
		for(i=0;i<12;i++) {
			opt = document.createElement('option');
			opt.setAttribute('value',i);
			if(self.displayMonth == i) {
				opt.setAttribute('selected','selected');
			}
			opt.appendChild(document.createTextNode(self.months_sh[i]));
			self.monthSelect.appendChild(opt);
		}
		var yrMax = self.maxDate.getFullYear(), yrMin = self.minDate.getFullYear();
		for(i=yrMin;i<=yrMax;i++) {
			opt = document.createElement('option');
			opt.setAttribute('value',i);
			if(self.displayYear == i) {
				opt.setAttribute('selected','selected');
			}
			opt.appendChild(document.createTextNode(i));
			self.yearSelect.appendChild(opt);
		}
		monthUp.setAttribute('type','button');
		monthUp.setAttribute('value','>');
		monthUp.setAttribute('title',self.monthup_title);
		monthDn.setAttribute('type','button');
		monthDn.setAttribute('value','<');
		monthDn.setAttribute('title',self.monthdn_title);
		self.monthSelect.owner = self.yearSelect.owner = monthUp.owner = monthDn.owner = self;
		function selectonchange()	{
			if(self.goToMonth(self.yearSelect.value,self.monthSelect.value)) {
				self.displayMonth = self.monthSelect.value;
				self.displayYear = self.yearSelect.value;
			}
			else {
				self.monthSelect.value = self.displayMonth;
				self.yearSelect.value = self.displayYear;
			}
		}
		addEventHandler(monthUp,'click',function(){self.nextMonth();});
		addEventHandler(monthDn,'click',function(){self.prevMonth();});
		addEventHandler(self.monthSelect,'change',selectonchange);
		addEventHandler(self.yearSelect,'change',selectonchange);
		container.appendChild(monthDn);
		container.appendChild(self.monthSelect);
		container.appendChild(self.yearSelect);
		container.appendChild(monthUp);
		return container;
	}
	function createFooter() {
		var container = document.createElement('div');
		if(self.showClearButton == true) {
		var clearSelected = document.createElement('input');
		clearSelected.setAttribute('type','button');
		clearSelected.setAttribute('value',self.clearbtn_caption);
		clearSelected.setAttribute('title',self.clearbtn_title);
		clearSelected.owner = self;
		addEventHandler(clearSelected,'click',function() {self.resetSelections(false);});
		container.appendChild(clearSelected);
		}
		if(self.mode == 'popup') {
			var closeBtn = document.createElement('input');
			closeBtn.setAttribute('type','button')
			closeBtn.setAttribute('value',self.closebtn_caption);
			closeBtn.setAttribute('title',self.closebtn_title);
			addEventHandler(closeBtn,'click',function(){self.hide();});
			setClass(closeBtn,'closeBtn');
			container.appendChild(closeBtn);
		}
		return container;
	}
	function createDayHeading() {
		self.calHeading = document.createElement('thead');
		setClass(self.calHeading,'caldayheading');
		var tr = document.createElement('tr'), th;
		self.cols = new Array(false,false,false,false,false,false,false);
		if(self.showWeeks) {
			th = document.createElement('th');
			setClass(th,'wkhead');
			tr.appendChild(th);
		}
		for(var dow=0;dow<7;dow++) {
			th = document.createElement('th');
			th.appendChild(document.createTextNode(self.daynames[dow]));
			if(self.selectMultiple) {
				th.headObj = new CalHeading(self,th,(dow + self.startDay < 7 ? dow + self.startDay : dow + self.startDay - 7));
			}
			tr.appendChild(th);
		}
		self.calHeading.appendChild(tr);
		return self.calHeading;
	}
	function createCalCells() {
		self.rows = new Array(false,false,false,false,false,false);
		self.cells = new Array();
		var row = -1, totalCells = (self.showWeeks ? 48 : 42);
		var beginDate = new Date(self.displayYear,self.displayMonth,1);
		var endDate = new Date(self.displayYear,self.displayMonth,self.monthDayCount[self.displayMonth]);
		var sdt = new Date(beginDate);
		sdt.setDate(sdt.getDate() + (self.startDay - beginDate.getDay()) - (self.startDay - beginDate.getDay() > 0 ? 7 : 0) );
		self.calCells = document.createElement('tbody');
		var tr,td;
		var cellIdx = 0, cell, week, dayval;
		for(var i=0;i<totalCells;i++) {
			if(self.showWeeks) {
				if(i % 8 == 0) {
					row++;
					week = sdt.getWeek(self.startDay);
					tr = document.createElement('tr');
					td = document.createElement('td');
					if(self.selectMultiple) {
						td.weekObj = new WeekHeading(self,td,week,row)
					}
					else {
						setClass(td,'wkhead');
					}
					td.appendChild(document.createTextNode(week));
					tr.appendChild(td);
					i++;
				}
			}
			else if(i % 7 == 0) {
				row++;
				week = sdt.getWeek(self.startDay);
				tr = document.createElement('tr');
			}
			dayval = sdt.getDate();
			td = document.createElement('td');
			td.appendChild(document.createTextNode(dayval));
			cell = new CalCell(self,td,sdt,row,week);
			self.cells[cellIdx] = cell;
			td.cellObj = cell;
			tr.appendChild(td);
			self.calCells.appendChild(tr);
			self.reDraw(cellIdx++);
			sdt.setDate(dayval + 1);
		}
		return self.calCells;
	}
	function setMode(targetelement)	{
		if(self.mode == 'popup') {
			self.calendar.style.position = 'absolute';
		}
		if(targetelement) {
			switch(self.mode) {
				case 'flat':
					self.tgt = targetelement;
					self.tgt.appendChild(self.calendar);
					self.visible = true;
					break;
				case 'popup':
					self.calendar.style.position = 'absolute';
					document.body.appendChild(self.calendar);
					self.setTarget(targetelement,false);
					break;
			}
		}
		else {
			document.body.appendChild(self.calendar);
			self.visible = false;
		}
	}
	function deleteCells() {
		self.calendar.celltable.removeChild(self.calendar.celltable.childNodes[1]); //remove the tbody element from the cell table
	}
	function setClass(element,className) {
		element.setAttribute('class',className);
		element.setAttribute('className',className);
	}
	function setCellProperties(cellindex) {
		var cell = self.cells[cellindex];
		var date;
		idx = self.dateInArray(self.dates,cell.date);
		if(idx > -1) {
			date = self.dates[idx];
			cell.date.selected = date.selected || false;
			cell.date.type = date.type;
			cell.date.canSelect = date.canSelect;
			cell.setTitle(date.title);
			cell.setURL(date.href);
			cell.setHTML(date.cellHTML);
		}
		else {
			cell.date.selected = false;
		}
		if(cell.date.getTime() < self.minDate.getTime() || cell.date.getTime() > self.maxDate.getTime()) {
			cell.date.canSelect = false;
		}
		cell.setClass();
	}
	function cal_onmouseover() {
		self.mousein = true;
	}
	function cal_onmouseout()	{
		self.mousein = false;
	}
	function updateSelectedDates() {
		var idx = 0;
		self.selectedDates = new Array();
		for(i=0;i<self.dates.length;i++) {
			if(self.dates[i].selected) {
				self.selectedDates[idx++] = self.dates[i];
			}
		}
	}

	self.dateInArray = function(arr,searchVal,startIndex) {
		startIndex = (startIndex != null ? startIndex : 0);
		for(var i=startIndex;i<arr.length;i++) {
			if(searchVal.getUeDay() == arr[i].getUeDay()) {
				return i;
			}
		}
		return -1;
	};
	self.setTarget = function (targetelement, focus)
	{
		if(self.mode == 'popup') {
			function popupFocus() {
				self.show();
			}
			function popupBlur() {
				if(!self.mousein){
					self.hide();
				}
			}
			function popupKeyDown() {
				self.hide();
			}
			if(self.tgt) {
				removeEventHandler(self.tgt,'focus',popupFocus);
				removeEventHandler(self.tgt,'blur',popupBlur);
				removeEventHandler(self.tgt,'keydown',popupKeyDown);
			}
			self.tgt = targetelement;
			var dto = self.tgt.dateObj,pdateArr = new Array;
			if(dto) {
				if(self.tgt.value.length) {
					pdateArr[0] = dto;
				}
				self.goToMonth(dto.getFullYear(),dto.getMonth());
			}
			self.selectDates(pdateArr,true,true,true);
			self.topOffset = self.tgt.offsetHeight;
			self.leftOffset = 0;
			self.updatePos(self.tgt);
			addEventHandler(self.tgt,'focus',popupFocus);
			addEventHandler(self.tgt,'blur',popupBlur);
			addEventHandler(self.tgt,'keydown',popupKeyDown);
			if(focus !== false) {
				popupFocus();
			}
		}
		else {
			if(self.tgt) {
				self.tgt.removeChild(self.calendar);
			}
			self.tgt = targetelement;
			self.tgt.appendChild(self.calendar);
			self.show();
		}
	};

	self.nextMonth = function () {
		var month = self.displayMonth;
		var year = self.displayYear;
		if(self.displayMonth < 11) {
			month++;
		}
		else if(self.yearSelect.value < self.maxDate.getFullYear()) {
			month = 0;
			year++;
		}
		return self.goToMonth(year,month);
	};

	self.prevMonth = function () {
		var month = self.displayMonth;
		var year = self.displayYear;
		if(self.displayMonth > 0) {
			month--;
		}
		else {
			month = 11;
			year--;
		}
		return self.goToMonth(year,month);
	};

	self.goToMonth = function (year,month) {
		var testdatemin = new Date(year, month, 31);
		var testdatemax = new Date(year, month, 1);
		if(testdatemin >= self.minDate && testdatemax <= self.maxDate) {
			self.monthSelect.value = self.displayMonth = month;
			self.yearSelect.value = self.displayYear = year;
			createCalCells();
			deleteCells();
			self.calendar.celltable.appendChild(self.calCells);
			return true;
		}
		else {
			alert(self.maxrange_caption);
			return false;
		}
	};

	self.updatePos = function (target) {
		if(self.mode == 'popup') {
			self.calendar.style.top = getTop(target) + self.topOffset + 'px';
			self.calendar.style.left = getLeft(target) + self.leftOffset + 'px';
		}
	};

	self.show = function ()	{
		self.updatePos(self.tgt);
		self.calendar.style.display = 'block';
		self.visible = true;
	};

	self.hide = function () {
		self.calendar.style.display = 'none';
		self.visible = false;
		CopyDate();
	};
	
	function CopyDate()
	{
		var data_inizio = document.getElementById('data_inizio').value;
		var data_fine = document.getElementById('data_fine').value;
		
		if (data_inizio!=undefined){
			var d_inizio = new Date(data_inizio);
			var mese_inizio = d_inizio.getMonth()+1;
			var giorno_inizio = d_inizio.getDate();
			var anno_inizio = d_inizio.getFullYear(); 
			document.frmBooking.selGG_inizio.value = giorno_inizio;
			document.frmBooking.selMM_inizio.value = mese_inizio;
			document.frmBooking.selAA_inizio.value = anno_inizio;
		}		
		if (data_fine!=undefined){
			var d_fine = new Date(data_fine);
			var mese_fine = d_fine.getMonth()+1;
			var giorno_fine = d_fine.getDate();
			var anno_fine = d_fine.getFullYear(); 
			document.frmBooking.selGG_fine.value = giorno_fine;
			document.frmBooking.selMM_fine.value = mese_fine;
			document.frmBooking.selAA_fine.value = anno_fine;
		}					
	};	

	self.toggle = function () {
		self.visible ? self.hide() : self.show();
	};

	self.addDates = function (dates,redraw) {
		var i;
		for(i=0;i<dates.length;i++) {
			if(self.dateInArray(self.dates,dates[i]) == -1) {
				self.dates[self.dates.length] = dates[i];
			}
		}
		updateSelectedDates();
		if(redraw != false) {
			self.reDraw();
		}
	};
	self.removeDates = function (dates,redraw) {
		var idx;
		for(var i=0;i<dates.length;i++) {
			idx = self.dateInArray(self.dates,dates[i]);
			if(idx != -1) {
				self.dates.splice(idx,1);
			}
		}
		updateSelectedDates();
		if(redraw != false) {
			self.reDraw();
		}
	};
	self.selectDates = function (inpdates,selectVal,redraw,removeothers) {
		var i, idx;
		if(removeothers == true) {
			for(i=0;i<self.dates.length;i++) {
				self.dates[i].selected = false;
			}
		}
		for(i=0;i<inpdates.length;i++) {
			idx = self.dateInArray(self.dates,inpdates[i]);
			if(selectVal == true) {
				inpdates[i].selected = true;
				if(idx == -1) {
					self.dates[self.dates.length] = inpdates[i];
				}
				else {
					self.dates[idx].selected = true;
				}
			}
			else {
				if(idx > -1) {
					self.dates[idx].selected = inpdates[i].selected = false;
					if(self.dates[idx].type == 'normal') {
						self.dates.splice(idx,1);
					}
				}
			}
		}
		updateSelectedDates();
		if(redraw != false) {
			self.reDraw();
		}
	};
	
	self.sendForm = function(form,inputname) {
		var inp = inputname || 'epochdates';
		for(var i=0;i<self.dates.length;i++)
		{
			inp = document.createElement('input');
			inp.setAttribute('type','hidden');
			inp.setAttribute('name',inputname + '[]');
			inp.setAttribute('value',encodeURIComponent(self.dates[i].dateFormat('Y-m-d')));  //default to the ISO date format
			form.appendChild(inp);
		}
	};

	self.resetSelections = function (retMonth) {
		var dateArray = new Array();
		var dt = self.dates;
		for(var i=0;i<dt.length;i++) {
			if(dt[i].selected) {
				dateArray[dateArray.length] = dt[i];
			}
		}
		self.selectDates(dateArray,false,false);
		self.rows = new Array(false,false,false,false,false,false,false);
		self.cols = new Array(false,false,false,false,false,false,false);
		if(self.mode == 'popup') {
			self.tgt.value = '';
			self.hide();
		}
		retMonth == true ? self.goToMonth(self.displayYearInitial,self.displayMonthInitial) : self.reDraw();
	};

	self.reDraw = function (index) {
		self.state = 1;
		var len = index ? index + 1 : self.cells.length;
		for(var i = index || 0;i<len;i++) {
			setCellProperties(i);
		}
		self.state = 2;
	};

	self.getCellIndex = function(date) {
		for(var i=0;i<self.cells.length;i++) {
			if(self.cells[i].date.getUeDay() == date.getUeDay()) {
				return i;
			}
		}
		return -1;
	};

	self.state = 0;
	self.name = name;
	self.curDate = new Date();
	self.mode = mode;
	self.selectMultiple = (multiselect == true);
	self.dates = new Array();
	self.selectedDates = new Array();
	self.calendar;
	self.calHeading;
	self.calCells;
	self.rows;
	self.cols;
	self.cells = new Array();
	self.monthSelect;
	self.yearSelect;
	self.mousein = false;
	calConfig();
	setLang();
	setDays();
	createCalendar();
	setMode(targetelement);
	self.state = 2;
	self.visible ? self.show() : self.hide();
}

function CalHeading(owner,tableCell,dayOfWeek) {
	function DayHeadingonclick() {
		var sdates = owner.dates;
		var cells = owner.cells;
		var dateArray = new Array();
		owner.cols[dayOfWeek] = !owner.cols[dayOfWeek];
		for(var i=0;i<cells.length;i++) {
			if(cells[i].dayOfWeek == dayOfWeek && cells[i].date.canSelect && (!owner.selCurMonthOnly || cells[i].date.getMonth() == owner.displayMonth && cells[i].date.getFullYear() == owner.displayYear)) {
				dateArray[dateArray.length] = cells[i].date;
			}
		}
		owner.selectDates(dateArray,owner.cols[dayOfWeek],true);
	}
	var self = this;
	self.dayOfWeek = dayOfWeek;
	addEventHandler(tableCell,'mouseup',DayHeadingonclick);
}

function WeekHeading(owner,tableCell,week,tableRow) {
	function weekHeadingonclick() {
		var cells = owner.cells;
		var sdates = owner.dates;
		var dateArray = new Array();
		owner.rows[tableRow] = !owner.rows[tableRow];
		for(var i=0;i<cells.length;i++) {
			if(cells[i].tableRow == tableRow && cells[i].date.canSelect && (!owner.selCurMonthOnly || cells[i].date.getMonth() == owner.displayMonth && cells[i].date.getFullYear() == owner.displayYear)) {
				dateArray[dateArray.length] = cells[i].date;
			}
		}
		owner.selectDates(dateArray,owner.rows[tableRow],true);
	}
	var self = this;
	self.week = week;
	tableCell.setAttribute('class','wkhead');
	tableCell.setAttribute('className','wkhead');
	addEventHandler(tableCell,'mouseup',weekHeadingonclick);
}

function CalCell(owner,tableCell,dateObj,row,week) {
	var self = this;
	function calCellonclick() {
		if(self.date.canSelect) {
			if(owner.selectMultiple == true) {
				owner.selectDates(new Array(self.date),!self.date.selected,false);
				self.setClass();
			}
			else {
				owner.selectDates(new Array(self.date),true,false,true);
				if(owner.mode == 'popup') {
					owner.tgt.value = self.date.dateFormat();
					owner.tgt.dateObj = new Date(self.date);
					owner.hide();
				}
				owner.reDraw();
			}
		}
	}
	function calCellonmouseover() {
		if(self.date.canSelect) {
			tableCell.setAttribute('class',self.cellClass + ' hover');
			tableCell.setAttribute('className',self.cellClass + ' hover');
		}
	}
	function calCellonmouseout() {
		self.setClass();
	}
	self.setClass = function ()
	{
		if(self.date.canSelect !== false) {
			if(self.date.selected) {
				self.cellClass = 'cell_selected';
			}
			else if(owner.displayMonth != self.date.getMonth() ) {
				self.cellClass = 'notmnth';
			}
			else if(self.date.type == 'holiday') {
				self.cellClass = 'hlday';
			}
			else if(self.dayOfWeek > 0 && self.dayOfWeek < 6) {
				self.cellClass = 'wkday';
			}
			else {
				self.cellClass = 'wkend';
			}
		}
		else {
			self.cellClass = 'noselect';
		}
		if(self.date.getUeDay() == owner.curDate.getUeDay()) {
			self.cellClass = self.cellClass + ' curdate';
		}
		tableCell.setAttribute('class',self.cellClass);
		tableCell.setAttribute('className',self.cellClass); //<iehack>
	};
	self.setURL = function(href,type) {
		if(href) {
			if(type == 'js') {
				addEventHandler(self.tableCell,'mousedown',function(){window.location.href = href;});
			}
			else {
				var url = document.createElement('a');
				url.setAttribute('href',href);
				url.appendChild(document.createTextNode(self.date.getDate()));
				self.tableCell.replaceChild(url,self.tableCell.firstChild); //assumes the first child of the cell DOM node is the date text
			}
		}
	}
	self.setTitle = function(titleStr) {
		if(titleStr && titleStr.length > 0) {
			self.title = titleStr;
			self.tableCell.setAttribute('title',titleStr);
		}
	};
	
	self.setHTML = function(html) {
		if(html && html.length > 0) {
			if(self.tableCell.childNodes[1]) {
				self.tableCell.childNodes[1].innerHTML = html;
			}
			else {
				var htmlCont = document.createElement('div');
				htmlCont.innerHTML = html;
				self.tableCell.appendChild(htmlCont);
			}
		}
	};
	self.cellClass;
	self.tableRow = row;
	self.tableCell = tableCell;
	self.date = new Date(dateObj);
	self.date.canSelect = true;
	self.date.type = 'normal';
	self.date.selected = false;
	self.date.cellHTML = '';
	self.dayOfWeek = self.date.getDay();
	self.week = week;
	addEventHandler(tableCell,'click', calCellonclick);
	addEventHandler(tableCell,'mouseover', calCellonmouseover);
	addEventHandler(tableCell,'mouseout', calCellonmouseout);
	self.setClass();
}
Date.prototype.getDayOfYear = function ()
{
	return parseInt((this.getTime() - new Date(this.getFullYear(),0,1).getTime())/86400000 + 1);
};
Date.prototype.getWeek = function (dowOffset) {
	dowOffset = typeof(dowOffset) == 'int' ? dowOffset : 0;
	var newYear = new Date(this.getFullYear(),0,1);
	var day = newYear.getDay() - dowOffset;
	day = (day >= 0 ? day : day + 7);
	var weeknum, daynum = Math.floor((this.getTime() - newYear.getTime() - (this.getTimezoneOffset()-newYear.getTimezoneOffset())*60000)/86400000) + 1;
	if(day < 4) {
		weeknum = Math.floor((daynum+day-1)/7) + 1;
		if(weeknum > 52) {
			nYear = new Date(this.getFullYear() + 1,0,1);
			nday = nYear.getDay() - dowOffset;
			nday = nday >= 0 ? nday : nday + 7;
			weeknum = nday < 4 ? 1 : 53;
		}
	}
	else {
		weeknum = Math.floor((daynum+day-1)/7);
	}
	return weeknum;
};
Date.prototype.getUeDay = function ()
{
	return parseInt(Math.floor((this.getTime() - this.getTimezoneOffset() * 60000)/86400000));
};
Date.prototype.dateFormat = function(format)
{
	if(!format) {
		format = 'm/d/Y';
	}
	LZ = function(x) {return(x < 0 || x > 9 ? '' : '0') + x};
	var MONTH_NAMES = new Array('January','February','March','April','May','June','July','August','September','October','November','December','Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec');
	var DAY_NAMES = new Array('Sunday','Monday','Tuesday','Wednesday','Thursday','Friday','Saturday','Sun','Mon','Tue','Wed','Thu','Fri','Sat');
	var result="";
	var i_format=0;
	var c="";
	var token="";
	var y=this.getFullYear().toString();
	var M=this.getMonth()+1;
	var d=this.getDate();
	var E=this.getDay();
	var H=this.getHours();
	var m=this.getMinutes();
	var s=this.getSeconds();
	value = {
		Y: y.toString(),
		y: y.substring(2),
		n: M,
		m: LZ(M),
		F: MONTH_NAMES[M-1],
		M: MONTH_NAMES[M+11],
		j: d,
		d: LZ(d),
		D: DAY_NAMES[E+7],
		l: DAY_NAMES[E],
		G: H,
		H: LZ(H)
	};
	if (H==0) {value['g']=12;}
	else if (H>12){value['g']=H-12;}
	else {value['g']=H;}
	value['h']=LZ(value['g']);
	if (H > 11) {value['a']='pm'; value['A'] = 'PM';}
	else { value['a']='am'; value['A'] = 'AM';}
	value['i']=LZ(m);
	value['s']=LZ(s);
	//construct the result string
	while (i_format < format.length) {
		c=format.charAt(i_format);
		token="";
		while ((format.charAt(i_format)==c) && (i_format < format.length)) {
			token += format.charAt(i_format++);
		}
		if (value[token] != null) { result=result + value[token]; }
		else { result=result + token; }
	}
	return result;
};
function addEventHandler(element, type, func) {
	if(element.addEventListener) {
		element.addEventListener(type,func,false);
	}
	else if (element.attachEvent) {
		element.attachEvent('on'+type,func);
	}
}
function removeEventHandler(element, type, func) {
	if(element.removeEventListener) {
		element.removeEventListener(type,func,false);
	}
	else if (element.attachEvent) {
		element.detachEvent('on'+type,func);
	}
}
function getTop(element) {
	var oNode = element;
	var iTop = 0;

	while(oNode.tagName != 'HTML') {
		iTop += oNode.offsetTop || 0;
		if(oNode.offsetParent) {
			oNode = oNode.offsetParent;
		}
		else {
			break;
		}
	}
	return iTop;
}
function getLeft(element) {
	var oNode = element;
	var iLeft = 0;
	while(oNode.tagName != 'HTML') {
		iLeft += oNode.offsetLeft || 0;
		if(oNode.offsetParent) {
			oNode = oNode.offsetParent;
		}
		else {
			break;
		}
	}
	return iLeft;
}