/*  Copyright Mihai Bazon, 2002-2005  |  www.bazon.net/mishoo
 * -----------------------------------------------------------
 *
 * The DHTML Calendar, version 1.0 "It is happening again"
 *
 * Details and latest version at:
 * www.dynarch.com/projects/calendar
 *
 * This script is developed by Dynarch.com.  Visit us at www.dynarch.com.
 *
 * This script is distributed under the GNU Lesser General Public License.
 * Read the entire license text here: http://www.gnu.org/licenses/lgpl.html
 */

/** The Calendar object constructor. */
/*
	custom fields added:
		footer				- hash of footer messages for delivery date
		hiddenLayer			- background div of calendar, causes calendar should close if moused over
		noFooterMessages	- flag to not show footer messages
		heading				- calendar title, controllable for the path/stage of the site the user is on 
		mouseOffClose		- flag for not having calendar div close when user mouses/clicks off the calendar area
		calendar_flag		- variable for indicating if the calendar is already open - must set it to 0 when calendar closed
		show_legend			- on/off flag for controlling whether the legend shows (should only be for "old path"
*/
Calendar = function (firstDayOfWeek, dateStr, startYear, startMonth, endYear, endMonth, footer, hiddenLayer, noFooterMessages, heading, mouseOffClose, calendar_flag, show_legend, onSelected, onClose) {
	// member variables
	this.activeDiv = null;
	this.currentDateEl = null;
	this.getDateStatus = null;
	this.getDateToolTip = null;
	this.getDateText = null;
	this.timeout = null;
	this.onSelected = onSelected || null;
	this.onClose = onClose || null;
	this.dragging = true;
	this.hidden = false;
	this.minYear = 1970;
	this.maxYear = 2050;
	this.dateFormat = Calendar._TT["DEF_DATE_FORMAT"];
	this.ttDateFormat = Calendar._TT["TT_DATE_FORMAT"];
	this.isPopup = true;
	this.weekNumbers = true;
	this.firstDayOfWeek = typeof firstDayOfWeek == "number" ? firstDayOfWeek : Calendar._FD; // 0 for Sunday, 1 for Monday, etc.
	this.showsOtherMonths = false;
	this.dateStr = dateStr;
	
	this.startYear = startYear;
	this.startMonth = startMonth;
	this.endYear = endYear;
	this.endMonth = endMonth;

    var date = this.dateStr ? new Date(this.dateStr.substr(0,10)) : new Date();  //using substring in case of date range passed
    this.currentMonth = date.getMonth();  	// sets the month of the currently selected date, 
											// so that the current day is only bold for THAT month
	this.hiddenLayer = hiddenLayer;
    // Footer messages
    this.footer = footer;
    this.noFooterMessages = noFooterMessages || false;
	this.show_legend = show_legend || null;
	this.heading = heading || null;
	this.mouseOffClose = mouseOffClose;

	this.ar_days = null;
	this.showsTime = false;
	this.time24 = true;
	this.yearStep = 2;
	this.hiliteToday = true;
	this.multiple = null;
	// HTML elements
	this.table = null;
	this.element = null;
	this.tbody = null;
	this.firstdayname = null;
	// Combo boxes
	this.monthsCombo = null;
	this.yearsCombo = null;
	this.hilitedMonth = null;
	this.activeMonth = null;
	this.hilitedYear = null;
	this.activeYear = null;
	// Information
	this.dateClicked = false;
	this.calendar_flag = calendar_flag || 1;
	// design2007 updates
	this.table_cellspacing = null;
    this.monthyear_dropdown = null;
	this.calendar_add_classes = null;

	// one-time initializations
	if (typeof Calendar._SDN == "undefined") {
		// table of short day names
		if (typeof Calendar._SDN_len == "undefined")
			Calendar._SDN_len = 3;
		var ar = new Array();
		for (var i = 8; i > 0;) {
			ar[--i] = Calendar._DN[i].substr(0, Calendar._SDN_len);
		}
		Calendar._SDN = ar;
		// table of short month names
		if (typeof Calendar._SMN_len == "undefined")
			Calendar._SMN_len = 3;
		ar = new Array();
		for (var i = 12; i > 0;) {
			ar[--i] = Calendar._MN[i].substr(0, Calendar._SMN_len);
		}
		Calendar._SMN = ar;
	}
};

// ** constants

/// "static", needed for event handlers.
Calendar._C = null;

/// detect a special case of "web browser"
Calendar.is_ie = ( /msie/i.test(navigator.userAgent) &&
		   !/opera/i.test(navigator.userAgent) );

Calendar.is_ie5 = ( Calendar.is_ie && /msie 5\.0/i.test(navigator.userAgent) );

/// detect Opera browser
Calendar.is_opera = /opera/i.test(navigator.userAgent);

/// detect KHTML-based browsers
Calendar.is_khtml = /Konqueror|Safari|KHTML/i.test(navigator.userAgent);

// BEGIN: UTILITY FUNCTIONS; beware that these might be moved into a separate
//        library, at some point.

Calendar.getAbsolutePos = function(el) {
	var SL = 0, ST = 0;
	var is_div = /^div$/i.test(el.tagName);
	if (is_div && el.scrollLeft)
		SL = el.scrollLeft;
	if (is_div && el.scrollTop)
		ST = el.scrollTop;
	var r = { x: el.offsetLeft - SL, y: el.offsetTop - ST };
	if (el.offsetParent) {
		var tmp = this.getAbsolutePos(el.offsetParent);
		r.x += tmp.x;
		r.y += tmp.y;
	}
	return r;
};

Calendar.isRelated = function (el, evt) {
	var related = evt.relatedTarget;
	if (!related) {
		var type = evt.type;
		if (type == "mouseover") {
			related = evt.fromElement;
		} else if (type == "mouseout") {
			related = evt.toElement;
		}
	}
	while (related) {
		if (related == el) {
			return true;
		}
		related = related.parentNode;
	}
	return false;
};

Calendar.removeClass = function(el, className) {
	if (!(el && el.className)) {
		return;
	}
	var cls = el.className.split(" ");
	var ar = new Array();
	for (var i = cls.length; i > 0;) {
		if (cls[--i] != className) {
			ar[ar.length] = cls[i];
		}
	}
	el.className = ar.join(" ");
};

Calendar.addClass = function(el, className) {
	Calendar.removeClass(el, className);
	el.className += " " + className;
};


var unavailable_date_classes = ["date_unavailable", "emptycell"];

/* Determine if element has given css class name in its className */
//Added by dfriedman 2005Nov24
Calendar.elementHasClassName = function(el, className) {
    if (!(el && className && el.className)) {
        return false;
    }
    var cls = el.className.split(" ");
    var ar = new Array();
    for (var i = cls.length; i > 0;) {
        if (cls[--i] == className)
            return true;
    }
    return false;
}


/* Determine if element represents an unavailable date -- look for particular css classes */
//Added by dfriedman 2005Nov24
Calendar.elementRepresentsUnavailableDate = function(el) {
    for (var i = unavailable_date_classes.length; i > 0;) {
        if (Calendar.elementHasClassName(el, unavailable_date_classes[--i])) 
            return true;
    }
}

/* Determine if element clas represents an unavailable date */
//Added by dfriedman 2005Nov24
Calendar.elementClassRepresentsUnavailableDate = function(className) {
    for (var i = unavailable_date_classes.length; i > 0;) {
        if (className == unavailable_date_classes[--i])
            return true;
    }
    return false;
}

// FIXME: the following 2 functions totally suck, are useless and should be replaced immediately.
Calendar.getElement = function(ev) {
	var f = Calendar.is_ie ? window.event.srcElement : ev.currentTarget;
	while (f.nodeType != 1 || /^div$/i.test(f.tagName))
		f = f.parentNode;
	return f;
};

Calendar.getTargetElement = function(ev) {
	var f = Calendar.is_ie ? window.event.srcElement : ev.target;
	while (f.nodeType != 1)
		f = f.parentNode;
	return f;
};

Calendar.stopEvent = function(ev) {
	ev || (ev = window.event);
	if (Calendar.is_ie) {
		ev.cancelBubble = true;
		ev.returnValue = false;
	} else {
		ev.preventDefault();
		ev.stopPropagation();
	}
	return false;
};

Calendar.addEvent = function(el, evname, func) {
	if (el.attachEvent) { // IE
		el.attachEvent("on" + evname, func);
	} else if (el.addEventListener) { // Gecko / W3C
		el.addEventListener(evname, func, true);
	} else {
		el["on" + evname] = func;
	}
};

Calendar.removeEvent = function(el, evname, func) {
	if (el.detachEvent) { // IE
		el.detachEvent("on" + evname, func);
	} else if (el.removeEventListener) { // Gecko / W3C
		el.removeEventListener(evname, func, true);
	} else {
		el["on" + evname] = null;
	}
};

Calendar.createElement = function(type, parent) {
	var el = null;
	if (document.createElementNS) {
		// use the XHTML namespace; IE won't normally get here unless
		// _they_ "fix" the DOM2 implementation.
		el = document.createElementNS("http://www.w3.org/1999/xhtml", type);
	} else {
		el = document.createElement(type);
	}
	if (typeof parent != "undefined") {
		parent.appendChild(el);
	}
	return el;
};

// END: UTILITY FUNCTIONS

// BEGIN: CALENDAR STATIC FUNCTIONS

/** Internal -- adds a set of events to make some element behave like a button. */
Calendar._add_evs = function(el) {
	with (Calendar) {
		addEvent(el, "mouseover", dayMouseOver);
		addEvent(el, "mousedown", dayMouseDown);
		addEvent(el, "mouseout", dayMouseOut);
		if (is_ie) {
			//addEvent(el, "dblclick", dayMouseDblClick);
			el.setAttribute("unselectable", true);
		}
	}
};

Calendar.findMonth = function(el) {
	if (typeof el.month != "undefined") {
		return el;
	} else if (typeof el.parentNode.month != "undefined") {
		return el.parentNode;
	}
	return null;
};

Calendar.findYear = function(el) {
	if (typeof el.year != "undefined") {
		return el;
	} else if (typeof el.parentNode.year != "undefined") {
		return el.parentNode;
	}
	return null;
};


// event handlers

Calendar.tableMouseUp = function(ev) {
	var cal = Calendar._C;
	if (!cal) {
		return false;
	}
	if (cal.timeout) {
		clearTimeout(cal.timeout);
	}
	var el = cal.activeDiv;
	if (!el) {
		return false;
	}
	var target = Calendar.getTargetElement(ev);
	ev || (ev = window.event);
	Calendar.removeClass(el, "active");
	if (target == el || target.parentNode == el) {
		Calendar.cellClick(el, ev);
	}
	var mon = Calendar.findMonth(target);
	var date = null;
	if (mon) {
		date = new Date(cal.date);
		if (mon.month != date.getMonth()) {
			date.setMonth(mon.month);
			cal.setDate(date);
			cal.dateClicked = false;
			cal.callHandler();
		}
	} else {
		var year = Calendar.findYear(target);
		if (year) {
			date = new Date(cal.date);
			if (year.year != date.getFullYear()) {
				date.setFullYear(year.year);
				cal.setDate(date);
				cal.dateClicked = false;
				cal.callHandler();
			}
		}
	}
	with (Calendar) {
		removeEvent(document, "mouseup", tableMouseUp);
		removeEvent(document, "mouseover", tableMouseOver);
		removeEvent(document, "mousemove", tableMouseOver);
		cal._hideCombos();
		_C = null;
		return stopEvent(ev);
	}
};

Calendar.tableMouseOver = function (ev) {
	var cal = Calendar._C;
	if (!cal) {
		return;
	}
	var el = cal.activeDiv;
	var target = Calendar.getTargetElement(ev);
	if (target == el || target.parentNode == el) {
		Calendar.addClass(el, "hilite active");
		Calendar.addClass(el.parentNode, "rowhilite");
	} else {
		if (typeof el.navtype == "undefined" || (el.navtype != 50 && (el.navtype == 0 || Math.abs(el.navtype) > 2)))
			Calendar.removeClass(el, "active");
		Calendar.removeClass(el, "hilite");
		Calendar.removeClass(el.parentNode, "rowhilite");
	}
	ev || (ev = window.event);
	if (el.navtype == 50 && target != el) {
		var pos = Calendar.getAbsolutePos(el);
		var w = el.offsetWidth;
		var x = ev.clientX;
		var dx;
		var decrease = true;
		if (x > pos.x + w) {
			dx = x - pos.x - w;
			decrease = false;
		} else
			dx = pos.x - x;

		if (dx < 0) dx = 0;
		var range = el._range;
		var current = el._current;
		var count = Math.floor(dx / 10) % range.length;
		for (var i = range.length; --i >= 0;)
			if (range[i] == current)
				break;
		while (count-- > 0)
			if (decrease) {
				if (--i < 0)
					i = range.length - 1;
			} else if ( ++i >= range.length )
				i = 0;
		var newval = range[i];
		el.innerHTML = newval;

		cal.onUpdateTime();
	}
	var mon = Calendar.findMonth(target);
	if (mon) {
		if (mon.month != cal.date.getMonth()) {
			if (cal.hilitedMonth) {
				Calendar.removeClass(cal.hilitedMonth, "hilite");
			}
			Calendar.addClass(mon, "hilite");
			cal.hilitedMonth = mon;
		} else if (cal.hilitedMonth) {
			Calendar.removeClass(cal.hilitedMonth, "hilite");
		}
	} else {
		if (cal.hilitedMonth) {
			Calendar.removeClass(cal.hilitedMonth, "hilite");
		}
		var year = Calendar.findYear(target);
		if (year) {
			if (year.year != cal.date.getFullYear()) {
				if (cal.hilitedYear) {
					Calendar.removeClass(cal.hilitedYear, "hilite");
				}
				Calendar.addClass(year, "hilite");
				cal.hilitedYear = year;
			} else if (cal.hilitedYear) {
				Calendar.removeClass(cal.hilitedYear, "hilite");
			}
		} else if (cal.hilitedYear) {
			Calendar.removeClass(cal.hilitedYear, "hilite");
		}
	}
	return Calendar.stopEvent(ev);
};

Calendar.tableMouseDown = function (ev) {
	if (Calendar.getTargetElement(ev) == Calendar.getElement(ev)) {
		return Calendar.stopEvent(ev);
	}
};


Calendar.dayMouseDown = function(ev) {
	var el = Calendar.getElement(ev);
    
	// Handle returns 
	if (el.navtype == 350){
	    // 350 reserved for selects
	    return;
	}
	if (Calendar.elementRepresentsUnavailableDate(el)) {
		return false;
	}

	var cal = el.calendar;
	cal.activeDiv = el;
	Calendar._C = cal;

	if (el.navtype != 300) with (Calendar) {
		if (el.navtype == 50) {
			el._current = el.innerHTML;
			addEvent(document, "mousemove", tableMouseOver);
		} else
			addEvent(document, Calendar.is_ie5 ? "mousemove" : "mouseover", tableMouseOver);
		addClass(el, "hilite active");
		addEvent(document, "mouseup", tableMouseUp);
	}
	if (el.navtype == -1 || el.navtype == 1) {
		if (cal.timeout) clearTimeout(cal.timeout);
	} else if (el.navtype == -2 || el.navtype == 2) {
		if (cal.timeout) clearTimeout(cal.timeout);
	} else {
		cal.timeout = null;
	}
	return Calendar.stopEvent(ev);
};

Calendar.dayMouseDblClick = function(ev) {
	Calendar.cellClick(Calendar.getElement(ev), ev || window.event);
	if (Calendar.is_ie) {
		document.selection.empty();
	}
};


//sept2006 - must update this module for the mouseovers for delivery dates with the shipping price and method
//  can use the function "elementHasClassName" to identify cell class and use the appropriate messaging
//  will need to have the messaging passed in

// JN - Now this function is also used for keyboard events.
Calendar.dayMouseOver = function(ev, el) {
	var el;
	if (!el) {
		el = Calendar.getElement(ev);
	}

	if (Calendar.isRelated(el, ev) || Calendar._C ) {
		return false;
	}
	if (Calendar.elementRepresentsUnavailableDate(el) && !el.calendar.noFooterMessages && el.calendar.tooltips) {
            el.calendar.tooltips.innerHTML = "<b>Date is unavailable for delivery</b>"; 
	}
	else { 
	  //if (1) { //(el.ttip) {
	  if (el.ttip != null) {
		if (el.ttip.substr(0, 1) == "_") {
			el.ttip = el.caldate.print(el.calendar.ttDateFormat) + el.ttip.substr(1);
		}

		//AT CHANGE - using FOOTER for mouseover footer messages, notably for date ranges
		if (el.caldate && el.calendar.footer[el.caldate.print(el.calendar.dateFormat)] && 
            !el.calendar.noFooterMessages && el.calendar.tooltips) {
		    el.calendar.tooltips.innerHTML = "<b>"+el.calendar.footer[el.caldate.print(el.calendar.dateFormat)]+"</b>";
		} 
		else if(el.calendar.tooltips) {
			el.calendar.tooltips.innerHTML = "&nbsp;"; 
		}
      }
	  if (el.navtype != 300) {
		if (!Calendar.elementRepresentsUnavailableDate(el))
            Calendar.addClass(el, "hilite");
		if (el.caldate) {
			Calendar.addClass(el.parentNode, "rowhilite");
		}
	  }
	}
	return Calendar.stopEvent(ev);
};

//sept2006 - may need to update this function for the mouseovers too
Calendar.dayMouseOut = function(ev) {
	with (Calendar) {
		var el = getElement(ev);
		if (isRelated(el, ev) || _C)
			return false;
		if (el.calendar) {
			if (el.calendar.tooltips) {
				if (Calendar.elementRepresentsUnavailableDate(el) && !el.calendar.noFooterMessages) {
					el.calendar.tooltips.innerHTML = "<b>Date is unavailable for delivery</b>"; 
				} else {
					el.calendar.tooltips.innerHTML = "&nbsp;";
				}
			}
		}
		removeClass(el, "hilite");
		if (el.caldate)
			removeClass(el.parentNode, "rowhilite");
		//if (el.calendar)
		//	el.calendar.tooltips.innerHTML = _TT["SEL_DATE"];
		return stopEvent(ev);
	}
};

/**
 *  A generic "click" handler :) handles all types of buttons defined in this
 *  calendar.
 */
Calendar.cellClick = function(el, ev) {
	var cal = el.calendar;
	var closing = false;
	var newdate = false;
	var date = null;

	if (typeof el.navtype == "undefined") {
		if (cal.currentDateEl) {
			Calendar.removeClass(cal.currentDateEl, "selected");
		}

		Calendar.addClass(el, "selected");
		closing = (cal.currentDateEl == el);
		if (!closing) {
			cal.currentDateEl = el;
		}

		//alert(el.caldate);
		cal.date.setDateOnly(el.caldate);
		date = cal.date;
		var other_month = !(cal.dateClicked = !el.otherMonth);
		if (!other_month && !cal.currentDateEl)
			cal._toggleMultipleDate(new Date(date));
		else
			newdate = !Calendar.elementRepresentsUnavailableDate(el);
		// a date was clicked
		if (other_month)
			cal._init(cal.firstDayOfWeek, date);
	} else {
		if (el.navtype == 200) {
			Calendar.removeClass(el, "hilite");
			cal.callCloseHandler();
			return;
		}
		date = new Date(cal.date);
		if (el.navtype == 0)
			date.setDateOnly(new Date()); // TODAY
		// unless "today" was clicked, we assume no date was clicked so
		// the selected handler will know not to close the calenar when
		// in single-click mode.
		// cal.dateClicked = (el.navtype == 0);
		cal.dateClicked = false;
		var year = date.getFullYear();
		var mon = date.getMonth();
		function setMonth(m) {
			var day = date.getDate();
			var max = date.getMonthDays(m);
			if (day > max) {
				date.setDate(max);
			}
			date.setMonth(m);
		};
		//AT Changes - segment of code below sets new month
		switch (el.navtype) {
		    case 400:
			Calendar.removeClass(el, "hilite");
			var text = Calendar._TT["ABOUT"];
			if (typeof text != "undefined") {
				text += cal.showsTime ? Calendar._TT["ABOUT_TIME"] : "";
			} else {
				text = "";
			}
			//alert(text);
			return;
		    case -2:
			if (year > cal.minYear) {
				date.setFullYear(year - 1);
			}
			break;
		    case -1:
			if (mon > 0) {
				setMonth(mon - 1);
			} else if (year-- > cal.minYear) {
				date.setFullYear(year);
				setMonth(11);
			}
			break;
		    case 1:
			if (mon < 11) {
				setMonth(mon + 1);
			} else if (year < cal.maxYear) {
				date.setFullYear(year + 1);
				setMonth(0);
			}
			break;
		    case 2:
			if (year < cal.maxYear) {
				date.setFullYear(year + 1);
			}
			break;
		    case 100:
			cal.setFirstDayOfWeek(el.fdow);
			return;
		    case 50:
			var range = el._range;
			var current = el.innerHTML;
			for (var i = range.length; --i >= 0;)
				if (range[i] == current)
					break;
			if (ev && ev.shiftKey) {
				if (--i < 0)
					i = range.length - 1;
			} else if ( ++i >= range.length )
				i = 0;
			var newval = range[i];
			el.innerHTML = newval;
			cal.onUpdateTime();
			return;
		    case 0:
			// TODAY will bring us here
			if ((typeof cal.getDateStatus == "function") &&
			    cal.getDateStatus(date, date.getFullYear(), date.getMonth(), date.getDate())) {
				return false;
			}
			break;
		}
		if (!date.equalsTo(cal.date)) {
			cal.setDate(date);
			newdate = true;
		} else if (el.navtype == 0)
			newdate = closing = true;
	}
	if (newdate) {
		ev && cal.callHandler();
	}
	if (closing) {
		Calendar.removeClass(el, "hilite");
		ev && cal.callCloseHandler();
	}
};

// This function changes the month of the calendar using the month drop down
Calendar.dropdown_select_month = function (dropdown, event){
    // The drop down must be in a td cell created using hh
	// hh automatcially creates the calendar ref for us
    var cal = dropdown.parentNode.calendar;
	if(cal){
	    var date = new Date(cal.date);
		// set the new date to the first because if the current
		// date is greater than the last date of the next month
		//we end up skipping to the next month after that
		// i.e. If the current date is Jan 29th 2009 and you choose feb
		// then the calendar will automacically move to March
		date.setDate(1);
	    date.setMonth(dropdown.selectedIndex);
	    cal.setDate(date);
	}
}

// This function changes the year of the calendar using the year drop down
Calendar.dropdown_select_year = function (dropdown, event){
    // The drop down must be in a td cell created using hh
	// hh automatcially creates the calendar ref for us
    var cal = dropdown.parentNode.calendar;
	if(cal){
	    var date = new Date(cal.date);
	    date.setYear(dropdown.options[dropdown.selectedIndex].value);
		// see the reasons for this above
		date.setDate(1);
	    cal.setDate(date);
	}
}

// END: CALENDAR STATIC FUNCTIONS

// BEGIN: CALENDAR OBJECT FUNCTIONS

/**
 *  This function creates the calendar inside the given parent.  If _par is
 *  null than it creates a popup calendar inside the BODY element.  If _par is
 *  an element, be it BODY, then it creates a non-popup calendar (still
 *  hidden).  Some properties need to be set before calling this function.
 */
Calendar.prototype.create = function (_par) {

	var parent = null;
	if (! _par) {
		// default parent is the document body, in which case we create
		// a popup calendar.
		parent = document.getElementsByTagName("body")[0];
		this.isPopup = true;
	} else {
		parent = _par;
		this.isPopup = false;
	}
	this.date = this.dateStr ? new Date(this.dateStr.substr(0,10)) : new Date();
	var table = Calendar.createElement("table");
	this.table = table;
	table.cellSpacing = this.table_cellspacing || 0;
	table.cellPadding = 0;
	table.calendar = this;
	Calendar.addEvent(table, "mousedown", Calendar.tableMouseDown);

	// can we edit this to be contained in another div for "mouseoff" events
	// create background div, make below div child of it???
    //var background_div = Calendar.createElement("div");
    //this.bg_element = background_div;
    //background_div.className = "calendar_background_layer";
    //if (this.isPopup) {
    //    background_div.style.position = "absolute";
    //    background_div.style.display = "none";
    //}
    //background_div.appendChild(table);

	var div = Calendar.createElement("div");
	this.element = div;

    // Append extra css to the calendar div through the use of additional classes
	if(this.calendar_add_classes){
	    div.className = "calendar" + " " + this.calendar_add_classes;
	}else{
	    div.className = "calendar";
	}

	if (this.isPopup) {
		div.style.position = "absolute";
		div.style.display = "none";
		div.style.padding = '4';
	}
	div.appendChild(table);


    //var background_div = Calendar.createElement("div");
    //this.bg_element = background_div;
    //background_div.className = "calendar_background_layer";
    //if (this.isPopup) {
    //    background_div.style.position = "absolute";
    //    background_div.style.display = "none";
    //}
    //background_div.appendChild(table);


	var thead = Calendar.createElement("thead", table);
	var cell = null;
	var row = null;

	var cal = this;
	var hh = function (text, cs, navtype) {
		cell = Calendar.createElement("td", row);
		cell.colSpan = cs;
		cell.className = "button";
		if (navtype != 0 && Math.abs(navtype) <= 2)
			cell.className += " nav";
		Calendar._add_evs(cell);
		cell.calendar = cal;
		cell.navtype = navtype;

		if(text == null) text = '';
		cell.innerHTML = "<div unselectable='on'>" + text + "</div>";
		return cell;
	};
    
	// Option to hide calendar days grid
    if(!this.params.hide_calendar_grid){

	row = Calendar.createElement("tr", thead);
	//this.blank_cell = hh("&nbsp;", 1, 300);
	var header_length = 7;
	this.header = hh(this.heading, header_length, 500);
	this.header.className = "title2";
	//this.blank_cell_right = hh("&nbsp;", 1, 300);

	row = Calendar.createElement("tr", thead);
	var title_length = 5;
	(this.weekNumbers) && ++title_length;

	if(this.params.loading)
	{//if we are in a loading calendar then we want to set
     //the title row.  This is normally called in 
	 //_init but we don't ever actually get there in a loading calendar
	 //we want to built this as fast as possible becuase it is just a dummy
	 //calendar while we build the dates in Ajax.
	 //We may want to make a create function just for loading calendars

        // Fake month year drop down or plain text
        if(this.monthyear_dropdown){
		    // design2007
			var fake_nav = Calendar.createElement("td", row);
			fake_nav.innerHTML="&nbsp;";
			fake_nav.className = "nav";

		    // Drop down
			// 350 reserved for selects
			this.title = hh("", title_length, 350);
		    this.title.className = "title";
		
		    // Create month and year drop downs populated only with one month and one year
			// skip_hideShowCovered is required since we hide selects for ie
			var month_select = Calendar.createElement('select', this.title); 
			month_select.skip_hideShowCovered = 1;
			// Populate just current month
			var month_drop_option = Calendar.createElement('option', month_select);
			month_drop_option.text = Calendar._MN[this.date.getMonth()];
			var title_space = Calendar.createElement('span', this.title);
            title_space.innerHTML = "&nbsp;&nbsp;";
			var year_select = Calendar.createElement('select', this.title);
			year_select.skip_hideShowCovered = 1;
			// Populate just current year
			var year_drop_option = Calendar.createElement('option', year_select);
			year_drop_option.text = this.date.getFullYear();

			fake_nav = Calendar.createElement("td", row);
			fake_nav.innerHTML="&nbsp;";
			fake_nav.className = "nav";
        }else{
		    // Plain text
			var fake_nav = Calendar.createElement("td", row);
			fake_nav.innerHTML="&nbsp;";
			fake_nav.className = "nav";
			// Title
		    this.title = hh("", title_length, 300);
		    this.title.className = "title";
            this.title.innerHTML = Calendar._MN[this.date.getMonth()] + " " + this.date.getFullYear();
			fake_nav = Calendar.createElement("td", row);
			fake_nav.innerHTML="&#x203a;";
			fake_nav.className = "nav";
        }
	}
	else
	{
	// Regular calendar so show the header
		
		// Scroll to previous month
		this._nav_pm = hh("&#x2039;", 1, -1);
		this._nav_pm.ttip = Calendar._TT["PREV_MONTH"];
		this._nav_pm.className = "nav";

		// Display month year drop downs or just plain text
		if(this.monthyear_dropdown){
			// 350 reserved for selects
			this.title = hh("", title_length, 350);
			this.title.className = "title";
			
			// Fill months
			var month_select = Calendar.createElement('select', this.title); 
			for(var k=0 ; k<Calendar._MN.length ; k++){
				var month_drop_option = Calendar.createElement('option', month_select);
				month_drop_option.text = Calendar._MN[k];
			}
			// skip_hideShowCovered is required since we hide selects for ie
			month_select.skip_hideShowCovered = 1;
			month_select.id = 'real_month_select';
			var title_space = Calendar.createElement('span', this.title);
			title_space.innerHTML = "&nbsp;&nbsp;";
			var year_select = Calendar.createElement('select', this.title);
			// Fill years
			var year_drop_option = Calendar.createElement('option', year_select);
			year_drop_option.text = this.date.getFullYear();
			year_drop_option.value = this.date.getFullYear();
			year_drop_option = Calendar.createElement('option', year_select);
			year_drop_option.text = this.date.getFullYear()+1;
			year_drop_option.value = this.date.getFullYear()+1;
			year_select.skip_hideShowCovered = 1;
			year_select.id = 'real_year_select';
		}else{
			// Title
			this.title = hh("", title_length, 300);
			this.title.className = "title";
		}

		// Scroll to next month 
		this._nav_nm = hh("&#x203a;", 1, 1);
		this._nav_nm.ttip = Calendar._TT["NEXT_MONTH"];
		this._nav_nm.className = "nav";
	}

	// day names
	row = Calendar.createElement("tr", thead);
	row.className = "daynames";
	if (this.weekNumbers) {
		cell = Calendar.createElement("td", row);
		cell.className = "name wn";
		cell.innerHTML = Calendar._TT["WK"];
	}
	for (var i = 7; i > 0; --i) {
		cell = Calendar.createElement("td", row);
		if (!i) {
			cell.navtype = 100;
			cell.calendar = this;
			Calendar._add_evs(cell);
		}
	}
	
	this.firstdayname = (this.weekNumbers) ? row.firstChild.nextSibling : row.firstChild;

	this._displayWeekdays();
   
    // endif hide_calendar_grid
	}


	var tbody = Calendar.createElement("tbody", table);
	this.tbody = tbody;
if(this.params.loading){

//this is a loading calendar so just 
//create our table with our day rows.  Nothing special
//just some empty table cells.
//alert('this is a loading calendar');

   // Option to hide calendar days grid
   if(!this.params.hide_calendar_grid){
	   for(var i = 6; i > 0 ; --i)
	   {
		var row = Calendar.createElement("tr", tbody);
		row.className = "daysrow";
			for (var j = 0; j < 7; ++j) 
			{
			 var cell = Calendar.createElement("td", row);
			 cell.className = "loading_day";
			 cell.innerHTML = "&nbsp;";
			}

		}
	}
	/* For some reason you can't set the innerHTML
	of a div unless it is inside a td
	so I create a row first and then add
	the div to it*/
	row = Calendar.createElement("tr", tbody);
	cell = Calendar.createElement("td", row);
	cell.colSpan = 7;
	var div =  Calendar.createElement("div", cell);
	div.className= (this.params.loading_className)? this.params.loading_className : "loading_msg";
	div.innerHTML = this.params.loading;
}else{

//build a real calendar
	for (i = 6; i > 0; --i) {
		row = Calendar.createElement("tr", tbody);
		if (this.weekNumbers) {
			cell = Calendar.createElement("td", row);
		}
		for (var j = 7; j > 0; --j) {
			cell = Calendar.createElement("td", row);
			cell.calendar = this;
			Calendar._add_evs(cell);
		}
	}		

	if (this.showsTime) {
		row = Calendar.createElement("tr", tbody);
		row.className = "time";

		cell = Calendar.createElement("td", row);
		cell.className = "time";
		cell.colSpan = 2;
		cell.innerHTML = Calendar._TT["TIME"] || "&nbsp;";

		cell = Calendar.createElement("td", row);
		cell.className = "time";
		cell.colSpan = this.weekNumbers ? 4 : 3;

		(function(){
			function makeTimePart(className, init, range_start, range_end) {
				var part = Calendar.createElement("span", cell);
				part.className = className;
				part.innerHTML = init;
				part.calendar = cal;
				part.ttip = Calendar._TT["TIME_PART"];
				part.navtype = 50;
				part._range = [];
				if (typeof range_start != "number")
					part._range = range_start;
				else {
					for (var i = range_start; i <= range_end; ++i) {
						var txt;
						if (i < 10 && range_end >= 10) txt = '0' + i;
						else txt = '' + i;
						part._range[part._range.length] = txt;
					}
				}
				Calendar._add_evs(part);
				return part;
			};
			var hrs = cal.date.getHours();
			var mins = cal.date.getMinutes();
			var t12 = !cal.time24;
			var pm = (hrs > 12);
			if (t12 && pm) hrs -= 12;
			var H = makeTimePart("hour", hrs, t12 ? 1 : 0, t12 ? 12 : 23);
			var span = Calendar.createElement("span", cell);
			span.innerHTML = ":";
			span.className = "colon";
			var M = makeTimePart("minute", mins, 0, 59);
			var AP = null;
			cell = Calendar.createElement("td", row);
			cell.className = "time";
			cell.colSpan = 2;
			if (t12)
				AP = makeTimePart("ampm", pm ? "pm" : "am", ["am", "pm"]);
			else
				cell.innerHTML = "&nbsp;";

			cal.onSetTime = function() {
				var pm, hrs = this.date.getHours(),
					mins = this.date.getMinutes();
				if (t12) {
					pm = (hrs >= 12);
					if (pm) hrs -= 12;
					if (hrs == 0) hrs = 12;
					AP.innerHTML = pm ? "pm" : "am";
				}
				H.innerHTML = (hrs < 10) ? ("0" + hrs) : hrs;
				M.innerHTML = (mins < 10) ? ("0" + mins) : mins;
			};

			cal.onUpdateTime = function() {
				var date = this.date;
				var h = parseInt(H.innerHTML, 10);
				if (t12) {
					if (/pm/i.test(AP.innerHTML) && h < 12)
						h += 12;
					else if (/am/i.test(AP.innerHTML) && h == 12)
						h = 0;
				}
				var d = date.getDate();
				var m = date.getMonth();
				var y = date.getFullYear();
				date.setHours(h);
				date.setMinutes(parseInt(M.innerHTML, 10));
				date.setFullYear(y);
				date.setMonth(m);
				date.setDate(d);
				this.dateClicked = false;
				this.callHandler();
			};
		})();
	} else {
		this.onSetTime = this.onUpdateTime = function() {};
	}

}

    
	
	var tfoot = Calendar.createElement("tfoot", table);

	
    if(!this.params.hide_calendar_grid){

		// AT Changes - remove footer ==> perhaps change the format of this instead, 
		// and integrate the other elements of the page into it (delivery type, costs)
		// var tfoot = Calendar.createElement("tfoot", table);

		// sept2006 - this footer section will have to be determined by a flag.  
		// The old scart will maintain what's below, but the new will drop the legend, and a large messaging area
		row = Calendar.createElement("tr", tbody);
		row.className = "footrow";

		cell = hh(Calendar._TT["SEL_DATE"], this.weekNumbers ? 8 : 7, 300);
		cell.className = "ttip";
		this.tooltips = cell;

		if (this.show_legend == 1) {  
			row = Calendar.createElement("tr", tfoot);
			this.unavailable_legend = hh("&nbsp;", 1, 300);
			this.unavailable_legend.className = "unavailable_legend";
			this.unavailable_text = hh("&nbsp;Dates unavailable", 6,300);
			this.unavailable_text.className = "footrow";

			row = Calendar.createElement("tr", tfoot);
			this.available_legend = hh("&nbsp;", 1, 300);
			this.available_legend.className = "available_legend";
			this.available_text = hh("&nbsp;Dates available for delivery", 6,300);
			this.available_text.className = "footrow";
		} else {  
			row = Calendar.createElement("tr", tfoot);
			this.available_text = hh(this.params.static_footer, 7,300);
			this.available_text.className = "footrow";
		} 

		row = Calendar.createElement("tr", tfoot);
		this.close_padding = hh("&nbsp;", 7, 300);
	    this.close_padding.className = "close_padding";
    }

    var close_txt = "Close Calendar >";  //this is used twice so might as well be a variable

    // Print close button for zip error messages.
	// Since zip error message have a similar format to loading calendar.
	if(this.params.loading && this.params.zip_error_message == null)
	{
	 //We don't want to print out the close
	 //window button because we don't want them to be able
	 //to close the loading calendar
	 	/* This is a duplicate of the hh
		function above except without the addevent
		call.  This way the close button won't work
		but it will display properly

	  var hh = function (text, cs, navtype) { DISABLED FOR TICKET #78168
        cell = Calendar.createElement("td", row);
        cell.colSpan = cs;
        //cell.className = "button";
        if (navtype != 0 && Math.abs(navtype) <= 2)
            cell.className += " nav";
        //Calendar._add_evs(cell); We don't want them to be able to 
		 //close the calendar
        cell.calendar = cal;
        cell.navtype = navtype;
        cell.innerHTML = "<div unselectable='on'>" + text + "</div>";
        return cell;
    };
		*/
	 row = Calendar.createElement("tr", tfoot);
    this.blankcell= hh("&nbsp;", 1, 300);
    var closewin_length = 5;
    this.closewin = hh(close_txt, closewin_length, 200);
    this.closewin.ttip = Calendar._TT["CLOSE"];
    this.closewin.className = "closewin";
    this.blank_cell = hh("&nbsp;", 1, 300);

	 /*
	 */
	}
	else
	{//build our close calendar button
	row = Calendar.createElement("tr", tfoot);
    this.blankcell= hh("&nbsp;", 1, 300);
	var closewin_length = 5;
    this.closewin = hh(close_txt, closewin_length, 200);
	this.closewin.ttip = Calendar._TT["CLOSE"];
    this.closewin.className = "closewin";
    this.blank_cell = hh("&nbsp;", 1, 300);
	}

	div = Calendar.createElement("div", this.element);
	this.monthsCombo = div;
	div.className = "combo";
	for (i = 0; i < Calendar._MN.length; ++i) {
		var mn = Calendar.createElement("div");
		mn.className = Calendar.is_ie ? "label-IEfix" : "label";
		mn.month = i;
		mn.innerHTML = Calendar._SMN[i];
		div.appendChild(mn);
	}

	div = Calendar.createElement("div", this.element);
	this.yearsCombo = div;
	div.className = "combo";
	for (i = 12; i > 0; --i) {
		var yr = Calendar.createElement("div");
		yr.className = Calendar.is_ie ? "label-IEfix" : "label";
		div.appendChild(yr);
	}

	/* this is for old functionality, basically close the calendar on mouseout */
    var background_layer = document.getElementById(this.hiddenLayer);
	if (background_layer) {
		Calendar.has_been_entered = false;
		background_layer.style.display = "block";
		Calendar.mouseOffClose = this.mouseOffClose; 
		background_layer.onmouseover = function(ev) {
			if (Calendar.has_been_entered == true && Calendar.mouseOffClose) {
				Calendar._checkCalendar(ev); 
				this.style.display = "none"
				Calendar.has_been_entered = false;
			}
		}

		background_layer.onmouseout = function(ev) {
			Calendar.has_been_entered = true;
		}
	}

	if(!this.params.loading)
	{//don't bother doing the _init for 
	//a loading calendar because we are not going to be here long anyway.
	this._init(this.firstDayOfWeek, this.date);
	}

parent.appendChild(this.element);

};

/** keyboard navigation, only for popup calendars */
Calendar._keyEvent = function(ev) {
	var cal = window._dynarch_popupCalendar;
    if (Calendar.is_ie && (!cal || !cal.date)) return; /* [sfryer] - ticket #78621 */
	var newDate = new Date(cal.date);
	if (!cal || cal.multiple) return false;
	(Calendar.is_ie) && (ev = window.event);
	var act = (Calendar.is_ie || ev.type == "keypress"),
		K = ev.keyCode;
	if (ev.ctrlKey) {
		switch (K) {
		    case 37: // KEY left
			act && Calendar.cellClick(cal._nav_pm);
			break;
		    case 38: // KEY up
			act && Calendar.cellClick(cal._nav_py);
			break;
		    case 39: // KEY right
			act && Calendar.cellClick(cal._nav_nm);
			break;
		    case 40: // KEY down
			act && Calendar.cellClick(cal._nav_ny);
			break;
		    default:
			return false;
		}
	} else switch (K) {
	    case 32: // KEY space (now)
		Calendar.cellClick(cal._nav_now);
		break;
	    case 27: // KEY esc
		act && cal.callCloseHandler();
		break;
	    case 37: // KEY left
	    case 38: // KEY up
	    case 39: // KEY right
	    case 40: // KEY down
		if (act) {
			var prev, x, y, ne, el, step;
			prev = K == 37 || K == 38;
			step = (K == 37 || K == 39) ? 1 : 7;
			while (1) {
				switch (K) {
				    case 37: // KEY left
						newDate.setDate(newDate.getDate() - 1);
						var yr = newDate.getFullYear();
						var mn = newDate.getMonth() + 1;
						if (!(yr < cal.startYear || (yr == cal.startYear && mn < (cal.startMonth)) )) 
							cal.setDate(newDate);
					break;
				    case 38: // KEY up
						newDate.setDate(newDate.getDate() - 7);
						var yr = newDate.getFullYear();
						var mn = newDate.getMonth() + 1;
						if (!(yr < cal.startYear || (yr == cal.startYear && mn < (cal.startMonth)) )) 
							cal.setDate(newDate);
					break;
				    case 39: // KEY right
						newDate.setDate(newDate.getDate() + 1);
						var yr = newDate.getFullYear();
						var mn = newDate.getMonth() + 1;
						if (!(yr >= cal.endYear && mn > (cal.endMonth) )) 
							cal.setDate(newDate);
					break;
				    case 40: // KEY down
						newDate.setDate(newDate.getDate() + 7);
						var yr = newDate.getFullYear();
						var mn = newDate.getMonth() + 1;
						if (!(yr >= cal.endYear && mn > (cal.endMonth) )) 
							cal.setDate(newDate);
					break;
				}
				break;
			}
			Calendar.cellClick(cal.currentDateEl);
			// Need to use this function to display the shipping costs in the footer.
			// (even though we're not using the mouse...)
			Calendar.dayMouseOver(ev, cal.currentDateEl);
		}
		break;
	    case 13: // KEY enter
		if (act) 
			Calendar.cellClick(cal.currentDateEl, ev);
		break;
	    default:
		return false;
	}
	return Calendar.stopEvent(ev);
};

/**
 *  (RE)Initializes the calendar to the given date and firstDayOfWeek
 */
Calendar.prototype._init = function (firstDayOfWeek, date) {
	var today = new Date(),
		TY = today.getFullYear(),
		TM = today.getMonth(),
		TD = today.getDate();
	this.table.style.visibility = "hidden";
	var year = date.getFullYear();
	if (year < this.minYear) {
		year = this.minYear;
		date.setFullYear(year);
	} else if (year > this.maxYear) {
		year = this.maxYear;
		date.setFullYear(year);
	}
	this.firstDayOfWeek = firstDayOfWeek;
	this.date = new Date(date);
	var month = date.getMonth();
	var mday = date.getDate();
	var no_days = date.getMonthDays();

	// calendar voodoo for computing the first day that would actually be
	// displayed in the calendar, even if it's from the previous month.
	// WARNING: this is magic. ;-)
	date.setDate(1);
	var day1 = (date.getDay() - this.firstDayOfWeek) % 7;
	if (day1 < 0)
		day1 += 7;
	date.setDate(-day1);
	date.setDate(date.getDate() + 1);

	var row = this.tbody.firstChild;
	var MN = Calendar._SMN[month];
	var ar_days = this.ar_days = new Array();
	var weekend = Calendar._TT["WEEKEND"];
	var dates = this.multiple ? (this.datesCells = {}) : null;
	for (var i = 0; i < 6; ++i, row = row.nextSibling) {
		var cell = row.firstChild;
		if (this.weekNumbers) {
			cell.className = "day wn";
			cell.innerHTML = date.getWeekNumber();
			cell = cell.nextSibling;
		}
		row.className = "daysrow";
		var hasdays = false, iday, dpos = ar_days[i] = [];
		for (var j = 0; j < 7; ++j, cell = cell.nextSibling, date.setDate(iday + 1)) {
			iday = date.getDate();
			var wday = date.getDay();
			cell.className = "day";
			cell.pos = i << 4 | j;
			dpos[j] = cell;
			var current_month = (date.getMonth() == month);
			if (!current_month) {
				if (this.showsOtherMonths) {
					cell.className += " othermonth";
					cell.otherMonth = true;
				} else {
					cell.className = "emptycell";
					cell.innerHTML = "&nbsp;";
					continue;
				}
			} else {
				cell.otherMonth = false;
				hasdays = true;
			}
            cell.disabled = false;
			cell.innerHTML = this.getDateText ? this.getDateText(date, iday) : iday;
			if (dates)
				dates[date.print("%Y%m%d")] = cell;
			if (this.getDateStatus) {
				var status = this.getDateStatus(date, year, month, iday);
				if (this.getDateToolTip) {
					var toolTip = this.getDateToolTip(date, year, month, iday);
					if (toolTip)
						cell.title = toolTip;
				}
				if (status === true) {
					Calendar.addClass(cell, "date_unavailable");
				} else {
					//if (Calendar.elementClassRepresentsUnavailableDate(status)) {
					    Calendar.addClass(cell, status);
					//}
				}
			}
			cell.caldate = new Date(date);

			//if (!Calendar.elementRepresentsUnavailableDate(cell)) {
				cell.ttip = "_";
				if (!this.multiple && current_month  
				    && iday == mday && this.hiliteToday) {
					if (month == this.currentMonth) { cell.className += " selected"; }
					this.currentDateEl = cell;
				}
				if (date.getFullYear() == TY &&
				    date.getMonth() == TM &&
				    iday == TD) {
					cell.className += " today";
					cell.ttip += Calendar._TT["PART_TODAY"];
				}
				if (weekend.indexOf(wday.toString()) != -1)
					cell.className += cell.otherMonth ? " oweekend" : " weekend";
			//}
		}
		if (!(hasdays || this.showsOtherMonths))
			row.className = "emptyrow";
	}



    /* 
	  Calendar Navigation 
	*/
		if (year < this.startYear || (year == this.startYear && month <= (this.startMonth-1)) ) { 
			this._nav_pm.innerHTML = "&nbsp;";
			Calendar.addClass(this._nav_pm, "date_unavailable");
		} else {
			this._nav_pm.innerHTML = "&#x2039;";
			//image causing js errors in firefox
			//this._nav_pm.innerHTML = "<img src='../pics/mday2006/calendar_pm.gif' border='0' style='margin-bottom:9px;'>";
			Calendar.removeClass(this._nav_pm, "date_unavailable");
		}

        if(this.monthyear_dropdown){
			var month_select = document.getElementById('real_month_select');
			if(month_select){
				month_select.navtype = 350;
				month_select.selectedIndex = this.date.getMonth();
				month_select.onchange = function (e){ 
				  Calendar.dropdown_select_month(this, e); 
				}
				
			}
			
			var year_select = document.getElementById('real_year_select');
			if(year_select){
				year_select.navtype = 350;
				for (i=0;i<year_select.length;i++){
					if(year_select.options[i].value == this.date.getFullYear()){
						year_select.selectedIndex = i;
					}
				}
				year_select.onchange = function (e){ 
				  Calendar.dropdown_select_year(this, e); 
				}
			}
		}else{
            // Only set the title and navigations if drop downs are off
		    this.title.innerHTML = Calendar._MN[month] + " " + year;
        }

		if (year >= this.endYear && month >= (this.endMonth-1) ) {
			this._nav_nm.innerHTML = "&nbsp;";
			Calendar.addClass(this._nav_nm, "date_unavailable");
		} else {
			this._nav_nm.innerHTML = "&#x203a;";
			//image causing js errors in firefox
			//this._nav_nm.innerHTML = "<img src='../pics/mday2006/calendar_nm.gif' border='0' style='margin-bottom:9px;'>";
			Calendar.removeClass(this._nav_nm, "date_unavailable");
		}
	/* End Calendar Navigation */

	this.onSetTime();
	this.table.style.visibility = "visible";
	this._initMultipleDates();
};

Calendar.prototype._initMultipleDates = function() {
	if (this.multiple) {
		for (var i in this.multiple) {
			var cell = this.datesCells[i];
			var d = this.multiple[i];
			if (!d)
				continue;
			if (cell)
				cell.className += " selected";
		}
	}
};

Calendar.prototype._toggleMultipleDate = function(date) {
	if (this.multiple) {
		var ds = date.print("%Y%m%d");
		var cell = this.datesCells[ds];
		if (cell) {
			var d = this.multiple[ds];
			if (!d) {
				Calendar.addClass(cell, "selected");
				this.multiple[ds] = date;
			} else {
				Calendar.removeClass(cell, "selected");
				delete this.multiple[ds];
			}
		}
	}
};

Calendar.prototype.setDateToolTipHandler = function (unaryFunction) {
	this.getDateToolTip = unaryFunction;
};

/**
 *  Calls _init function above for going to a certain date (but only if the
 *  date is different than the currently selected one).
 */
Calendar.prototype.setDate = function (date) {
	if (!date.equalsTo(this.date)) {
		this._init(this.firstDayOfWeek, date);
	}
};

/**
 *  Refreshes the calendar.  Useful if the "disabledHandler" function is
 *  dynamic, meaning that the list of disabled date can change at runtime.
 *  Just * call this function if you think that the list of disabled dates
 *  should * change.
 */
Calendar.prototype.refresh = function () {
	this._init(this.firstDayOfWeek, this.date);
};

/** Modifies the "firstDayOfWeek" parameter (pass 0 for Synday, 1 for Monday, etc.). */
Calendar.prototype.setFirstDayOfWeek = function (firstDayOfWeek) {
	this._init(firstDayOfWeek, this.date);
	this._displayWeekdays();
};

/**
 *  Allows customization of what dates are enabled.  The "unaryFunction"
 *  parameter must be a function object that receives the date (as a JS Date
 *  object) and returns a boolean value.  If the returned value is true then
 *  the passed date will be marked as disabled.
 */
Calendar.prototype.setDateStatusHandler = Calendar.prototype.setDisabledHandler = function (unaryFunction) {
	this.getDateStatus = unaryFunction;
};

/** Customization of allowed year range for the calendar. */
Calendar.prototype.setRange = function (a, z) {
	this.minYear = a;
	this.maxYear = z;
};

/** Calls the first user handler (selectedHandler). */
Calendar.prototype.callHandler = function () {
	if (this.onSelected) {
		this.onSelected(this, this.date.print(this.dateFormat));
	}
};

/** Calls the second user handler (closeHandler). */
Calendar.prototype.callCloseHandler = function () {
	if (this.onClose) {
		this.onClose(this);
	}

    var background_layer = document.getElementById(this.hiddenLayer);
	if (background_layer) 
		background_layer.style.display = "none";
	this.hideShowCovered();
};

/** Removes the calendar object from the DOM tree and destroys it. */
Calendar.prototype.destroy = function () {
	var el = this.element.parentNode;
	//alert('Destroy'+el);
	    if(el){
			if(typeof(el.removeChild) !="undefined" && typeof(this.element) !="undefined")
			{//this was being called twice
			 //and causing an error in Firefox.
			 //so now we just check to see if el is defined
			 //before removing it
			 el.removeChild(this.element);
			}
		}
	Calendar._C = null;
	window._dynarch_popupCalendar = null;
};

/**
 *  Moves the calendar element to a different section in the DOM tree (changes
 *  its parent).
 */
Calendar.prototype.reparent = function (new_parent) {
	var el = this.element;
	el.parentNode.removeChild(el);
	new_parent.appendChild(el);
};

// This gets called when the user presses a mouse button anywhere in the
// document, if the calendar is shown.  If the click was outside the open
// calendar this function closes it.
Calendar._checkCalendar = function(ev) {
	var calendar = window._dynarch_popupCalendar;
	if (!calendar) {
		return false;
	}
	var el = Calendar.is_ie ? Calendar.getElement(ev) : Calendar.getTargetElement(ev);
	for (; el != null && el != calendar.element; el = el.parentNode);
	if (el == null && Calendar.mouseOffClose) {
		// calls closeHandler which should hide the calendar.
		window._dynarch_popupCalendar.callCloseHandler();
		return Calendar.stopEvent(ev);
	}
};

/** Shows the calendar. */
Calendar.prototype.show = function () {
	var rows = this.table.getElementsByTagName("tr");
	for (var i = rows.length; i > 0;) {
		var row = rows[--i];
		Calendar.removeClass(row, "rowhilite");
		var cells = row.getElementsByTagName("td");
		for (var j = cells.length; j > 0;) {
			var cell = cells[--j];
			Calendar.removeClass(cell, "hilite");
			Calendar.removeClass(cell, "active");
		}
	}
	this.element.style.display = "block";
	this.hidden = false;
	if (this.isPopup || this.specialFlat) 
	{//we test for specialFlat because we can 
	 //now create flat calendars that act as popup calendars
		window._dynarch_popupCalendar = this;
		Calendar.addEvent(document, "keydown", Calendar._keyEvent);
		Calendar.addEvent(document, "keypress", Calendar._keyEvent);
		Calendar.addEvent(document, "mousedown", Calendar._checkCalendar);
	}

	if(this.params.loading_calendar)
	{//if we have a loading calendar for this calendar
	 //then we want to hide it and then destroy it
	 //alert('Hello destroy');
	 this.params.loading_calendar.hide();
	 this.params.loading_calendar.destroy();
	 this.params.loading_calendar = undefined;  //clearing out the loading calendar
	}

	this.hideShowCovered();
};

/**
 *  Hides the calendar.  Also removes any "hilite" from the class of any TD
 *  element.
 */
Calendar.prototype.hide = function () {
	if (this.isPopup || this.specialFlat) 
	{//we test for specialFlat because we can
     //now create flat calendars that act as popup calendars
		Calendar.removeEvent(document, "keydown", Calendar._keyEvent);
		Calendar.removeEvent(document, "keypress", Calendar._keyEvent);
		Calendar.removeEvent(document, "mousedown", Calendar._checkCalendar);
	}
	this.element.style.display = "none";
	this.hidden = true;
	this.hideShowCovered();
};

/**
 *  Shows the calendar at a given absolute position (beware that, depending on
 *  the calendar element style -- position property -- this might be relative
 *  to the parent's containing rectangle).
 */
Calendar.prototype.showAt = function (x, y) {
	var s = this.element.style;
	s.left = x + "px";
	s.top = y + "px";
	this.show();
};

/** Shows the calendar near a given element. */
Calendar.prototype.showAtElement = function (el, opts, xshift, yshift) {
	var self = this;
	var p = Calendar.getAbsolutePos(el);
	//alert(el.id +'X:'+p.x+'Y:'+p.y);
	//alert('Elem: '+el+' x:'+p.x+' Y:'+p.y+' Offset:'+el.offsetHeight);
	if (!opts || typeof opts != "string") {
		this.showAt(p.x, p.y + el.offsetHeight);
		return true;
	}
	function fixPosition(box) {
		if (box.x < 0)
			box.x = 0;
		if (box.y < 0)
			box.y = 0;
		var cp = document.createElement("div");
		var s = cp.style;
		s.position = "absolute";
		s.right = s.bottom = s.width = s.height = "0px";
		document.body.appendChild(cp);
		var br = Calendar.getAbsolutePos(cp);
		document.body.removeChild(cp);
		if (Calendar.is_ie) {
			br.y += document.body.scrollTop;
			br.x += document.body.scrollLeft;
		} else {
			br.y += window.scrollY;
			br.x += window.scrollX;
		}
		var tmp = box.x + box.width - br.x;
		if (tmp > 0) box.x -= tmp;
		tmp = box.y + box.height - br.y;
		if (tmp > 0) box.y -= tmp;
	};
	this.element.style.display = "block";
	Calendar.continuation_for_the_fucking_khtml_browser = function() {
		var w = self.element.offsetWidth;
		var h = self.element.offsetHeight;
		self.element.style.display = "none";
		var valign = opts.substr(0, 1);
		var halign = "l";
		if (opts.length > 1) {
			halign = opts.substr(1, 1);
		}
		// vertical alignment
		switch (valign) {
		    case "T": p.y -= h; break;
		    case "B": p.y += el.offsetHeight; break;
		    case "C": p.y += (el.offsetHeight - h) / 2; break;
		    case "t": p.y += el.offsetHeight - h; break;
		    case "b": break; // already there
		}
		// horizontal alignment
		switch (halign) {
		    case "L": p.x -= w; break;
		    case "R": p.x += el.offsetWidth; break;
		    case "C": p.x += (el.offsetWidth - w) / 2; break;
		    case "l": p.x += el.offsetWidth - w; break;
		    case "r": break; // already there
		}
		p.width = w;
		p.height = h + 40;
		self.monthsCombo.style.display = "none";
		fixPosition(p);
		// Odd, incase we passed the xshift or yshift in as strings, this would do a string-cat
		self.showAt(p.x + parseInt(xshift), p.y + parseInt(yshift));
	};
	if (Calendar.is_khtml)
		setTimeout("Calendar.continuation_for_the_fucking_khtml_browser()", 10);
	else
		Calendar.continuation_for_the_fucking_khtml_browser();
};

/** Customizes the date format. */
Calendar.prototype.setDateFormat = function (str) {
	this.dateFormat = str;
};

/** Customizes the tooltip date format. */
Calendar.prototype.setTtDateFormat = function (str) {
	this.ttDateFormat = str;
};

/**
 *  Tries to identify the date represented in a string.  If successful it also
 *  calls this.setDate which moves the calendar to the given date.
 */
Calendar.prototype.parseDate = function(str, fmt) {
	if (!fmt)
		fmt = this.dateFormat;
	this.setDate(Date.parseDate(str, fmt));
};

Calendar.prototype.hideShowCovered = function () {
	if (!Calendar.is_ie && !Calendar.is_opera)
		return;
	function getVisib(obj){
		var value = obj.style.visibility;
		if (!value) {
			if (document.defaultView && typeof (document.defaultView.getComputedStyle) == "function") { // Gecko, W3C
				if (!Calendar.is_khtml)
					value = document.defaultView.
						getComputedStyle(obj, "").getPropertyValue("visibility");
				else
					value = '';
			} else if (obj.currentStyle) { // IE
				value = obj.currentStyle.visibility;
			} else
				value = '';
		}
		return value;
	};

	var tags = new Array("applet", "iframe", "select");
	var el = this.element;

	var p = Calendar.getAbsolutePos(el);
	var EX1 = p.x;
	var EX2 = el.offsetWidth + EX1;
	var EY1 = p.y;
	var EY2 = el.offsetHeight + EY1;


    // If the calendar widget is contained in another pop up window.
	// Then use the parent pop up since it is bigger and we will want to
	// hide element under it too.
	if(el.parentNode){
	    p = Calendar.getAbsolutePos(el.parentNode);
		// Check if we are in another window
		// If not the parent will be the window and thus p.y = 0
		if( p.y > 0){
			EY1 = p.y;
			EY2 = el.parentNode.offsetHeight + EY1;
		}
	
	}

	for (var k = tags.length; k > 0; ) {
		var ar = document.getElementsByTagName(tags[--k]);
		var cc = null;


		for (var i = ar.length; i > 0;) {
			cc = ar[--i];
			
			p = Calendar.getAbsolutePos(cc);
			var CX1 = p.x;
			var CX2 = cc.offsetWidth + CX1;
			var CY1 = p.y;
			var CY2 = cc.offsetHeight + CY1;
			
			if (this.hidden || (CX1 > EX2) || (CX2 < EX1) || (CY1 > EY2) || (CY2 < EY1)) {
				if (!cc.__msh_save_visibility) {
					cc.__msh_save_visibility = getVisib(cc);
				}
				cc.style.visibility = cc.__msh_save_visibility;
			} else {
				if (!cc.__msh_save_visibility) {
					cc.__msh_save_visibility = getVisib(cc);
				}
				if(!cc.skip_hideShowCovered) cc.style.visibility = "hidden";
			}
		}
	}
};

/** Internal function; it displays the bar with the names of the weekday. */
Calendar.prototype._displayWeekdays = function () {
	var fdow = this.firstDayOfWeek;
	var cell = this.firstdayname;
	var weekend = Calendar._TT["WEEKEND"];
	for (var i = 0; i < 7; ++i) {
		cell.className = "daynames";
		var realday = (i + fdow) % 7;
		if (i) {
			cell.ttip = Calendar._TT["DAY_FIRST"].replace("%s", Calendar._DN[realday]);
			cell.navtype = 100;
			cell.calendar = this;
			cell.fdow = realday;
			//AT Changes - removed below to elimiate clickable day headers
			//Calendar._add_evs(cell);
		}
		if (weekend.indexOf(realday.toString()) != -1) {
			Calendar.addClass(cell, "weekend");
		}
		// AT CHANGES
		// added ".substr(0, 1)" to end of line below to display only first letter of day of week
		cell.innerHTML = Calendar._SDN[(i + fdow) % 7].substr(0,1);
		cell = cell.nextSibling;
	}
};

/** Internal function.  Hides all combo boxes that might be displayed. */
Calendar.prototype._hideCombos = function () {
	this.monthsCombo.style.display = "none";
	this.yearsCombo.style.display = "none";
};

/** Internal function.  Starts dragging the element. */
Calendar.prototype._dragStart = function (ev) {
	if (this.dragging) {
		return;
	}
	//this.dragging = true;
	var posX;
	var posY;
	if (Calendar.is_ie) {
		posY = window.event.clientY + document.body.scrollTop;
		posX = window.event.clientX + document.body.scrollLeft;
	} else {
		posY = ev.clientY + window.scrollY;
		posX = ev.clientX + window.scrollX;
	}
	var st = this.element.style;
	this.xOffs = posX - parseInt(st.left);
	this.yOffs = posY - parseInt(st.top);
	with (Calendar) {
		//addEvent(document, "mousemove", calDragIt);
		//addEvent(document, "mouseup", calDragEnd);
	}
};

// BEGIN: DATE OBJECT PATCHES

/** Adds the number of days array to the Date object. */
Date._MD = new Array(31,28,31,30,31,30,31,31,30,31,30,31);

/** Constants used for time computations */
Date.SECOND = 1000 /* milliseconds */;
Date.MINUTE = 60 * Date.SECOND;
Date.HOUR   = 60 * Date.MINUTE;
Date.DAY    = 24 * Date.HOUR;
Date.WEEK   =  7 * Date.DAY;

Date.parseDate = function(str, fmt) {
	var today = new Date();
	var y = 0;
	var m = -1;
	var d = 0;
	var a = str.split(/\W+/);
	var b = fmt.match(/%./g);
	var i = 0, j = 0;
	var hr = 0;
	var min = 0;
	for (i = 0; i < a.length; ++i) {
		if (!a[i])
			continue;
		switch (b[i]) {
		    case "%d":
		    case "%e":
			d = parseInt(a[i], 10);
			break;

		    case "%m":
			m = parseInt(a[i], 10) - 1;
			break;

		    case "%Y":
		    case "%y":
			y = parseInt(a[i], 10);
			(y < 100) && (y += (y > 29) ? 1900 : 2000);
			break;

		    case "%b":
		    case "%B":
			for (j = 0; j < 12; ++j) {
				if (Calendar._MN[j].substr(0, a[i].length).toLowerCase() == a[i].toLowerCase()) { m = j; break; }
			}
			break;

		    case "%H":
		    case "%I":
		    case "%k":
		    case "%l":
			hr = parseInt(a[i], 10);
			break;

		    case "%P":
		    case "%p":
			if (/pm/i.test(a[i]) && hr < 12)
				hr += 12;
			else if (/am/i.test(a[i]) && hr >= 12)
				hr -= 12;
			break;

		    case "%M":
			min = parseInt(a[i], 10);
			break;
		}
	}
	if (isNaN(y)) y = today.getFullYear();
	if (isNaN(m)) m = today.getMonth();
	if (isNaN(d)) d = today.getDate();
	if (isNaN(hr)) hr = today.getHours();
	if (isNaN(min)) min = today.getMinutes();
	if (y != 0 && m != -1 && d != 0)
		return new Date(y, m, d, hr, min, 0);
	y = 0; m = -1; d = 0;
	for (i = 0; i < a.length; ++i) {
		if (a[i].search(/[a-zA-Z]+/) != -1) {
			var t = -1;
			for (j = 0; j < 12; ++j) {
				if (Calendar._MN[j].substr(0, a[i].length).toLowerCase() == a[i].toLowerCase()) { t = j; break; }
			}
			if (t != -1) {
				if (m != -1) {
					d = m+1;
				}
				m = t;
			}
		} else if (parseInt(a[i], 10) <= 12 && m == -1) {
			m = a[i]-1;
		} else if (parseInt(a[i], 10) > 31 && y == 0) {
			y = parseInt(a[i], 10);
			(y < 100) && (y += (y > 29) ? 1900 : 2000);
		} else if (d == 0) {
			d = a[i];
		}
	}
	if (y == 0)
		y = today.getFullYear();
	if (m != -1 && d != 0)
		return new Date(y, m, d, hr, min, 0);
	return today;
};

/** Returns the number of days in the current month */
Date.prototype.getMonthDays = function(month) {
	var year = this.getFullYear();
	if (typeof month == "undefined") {
		month = this.getMonth();
	}
	if (((0 == (year%4)) && ( (0 != (year%100)) || (0 == (year%400)))) && month == 1) {
		return 29;
	} else {
		return Date._MD[month];
	}
};

/** Returns the number of day in the year. */
Date.prototype.getDayOfYear = function() {
	var now = new Date(this.getFullYear(), this.getMonth(), this.getDate(), 0, 0, 0);
	var then = new Date(this.getFullYear(), 0, 0, 0, 0, 0);
	var time = now - then;
	return Math.floor(time / Date.DAY);
};

/** Returns the number of the week in year, as defined in ISO 8601. */
Date.prototype.getWeekNumber = function() {
	var d = new Date(this.getFullYear(), this.getMonth(), this.getDate(), 0, 0, 0);
	var DoW = d.getDay();
	d.setDate(d.getDate() - (DoW + 6) % 7 + 3); // Nearest Thu
	var ms = d.valueOf(); // GMT
	d.setMonth(0);
	d.setDate(4); // Thu in Week 1
	return Math.round((ms - d.valueOf()) / (7 * 864e5)) + 1;
};

/** Checks date and time equality */
Date.prototype.equalsTo = function(date) {
	return ((this.getFullYear() == date.getFullYear()) &&
		(this.getMonth() == date.getMonth()) &&
		(this.getDate() == date.getDate()) &&
		(this.getHours() == date.getHours()) &&
		(this.getMinutes() == date.getMinutes()));
};

/** Set only the year, month, date parts (keep existing time) */
Date.prototype.setDateOnly = function(date) {
	var tmp = new Date(date);
	this.setDate(1);
	this.setFullYear(tmp.getFullYear());
	this.setMonth(tmp.getMonth());
	this.setDate(tmp.getDate());
};

/** Prints the date in a string according to the given format. */
Date.prototype.print = function (str) {
	var m = this.getMonth();
	var d = this.getDate();
	var y = this.getFullYear();
	var wn = this.getWeekNumber();
	var w = this.getDay();
	var s = {};
	var hr = this.getHours();
	var pm = (hr >= 12);
	var ir = (pm) ? (hr - 12) : hr;
	var dy = this.getDayOfYear();
	if (ir == 0)
		ir = 12;
	var min = this.getMinutes();
	var sec = this.getSeconds();
	s["%a"] = Calendar._SDN[w]; // abbreviated weekday name [FIXME: I18N]
	s["%A"] = Calendar._DN[w]; // full weekday name
	s["%b"] = Calendar._SMN[m]; // abbreviated month name [FIXME: I18N]
	s["%B"] = Calendar._MN[m]; // full month name
	// FIXME: %c : preferred date and time representation for the current locale
	s["%C"] = 1 + Math.floor(y / 100); // the century number
	s["%d"] = (d < 10) ? ("0" + d) : d; // the day of the month (range 01 to 31)
	s["%e"] = d; // the day of the month (range 1 to 31)
	// FIXME: %D : american date style: %m/%d/%y
	// FIXME: %E, %F, %G, %g, %h (man strftime)
	s["%H"] = (hr < 10) ? ("0" + hr) : hr; // hour, range 00 to 23 (24h format)
	s["%I"] = (ir < 10) ? ("0" + ir) : ir; // hour, range 01 to 12 (12h format)
	s["%j"] = (dy < 100) ? ((dy < 10) ? ("00" + dy) : ("0" + dy)) : dy; // day of the year (range 001 to 366)
	s["%k"] = hr;		// hour, range 0 to 23 (24h format)
	s["%l"] = ir;		// hour, range 1 to 12 (12h format)
	s["%m"] = (m < 9) ? ("0" + (1+m)) : (1+m); // month, range 01 to 12
	s["%M"] = (min < 10) ? ("0" + min) : min; // minute, range 00 to 59
	s["%n"] = "\n";		// a newline character
	s["%p"] = pm ? "PM" : "AM";
	s["%P"] = pm ? "pm" : "am";
	// FIXME: %r : the time in am/pm notation %I:%M:%S %p
	// FIXME: %R : the time in 24-hour notation %H:%M
	s["%s"] = Math.floor(this.getTime() / 1000);
	s["%S"] = (sec < 10) ? ("0" + sec) : sec; // seconds, range 00 to 59
	s["%t"] = "\t";		// a tab character
	// FIXME: %T : the time in 24-hour notation (%H:%M:%S)
	s["%U"] = s["%W"] = s["%V"] = (wn < 10) ? ("0" + wn) : wn;
	s["%u"] = w + 1;	// the day of the week (range 1 to 7, 1 = MON)
	s["%w"] = w;		// the day of the week (range 0 to 6, 0 = SUN)
	// FIXME: %x : preferred date representation for the current locale without the time
	// FIXME: %X : preferred time representation for the current locale without the date
	s["%y"] = ('' + y).substr(2, 2); // year without the century (range 00 to 99)
	s["%Y"] = y;		// year with the century
	s["%%"] = "%";		// a literal '%' character

	var re = /%./g;
	if (!Calendar.is_ie5 && !Calendar.is_khtml)
		return str.replace(re, function (par) { return s[par] || par; });

	var a = str.match(re);
	for (var i = 0; i < a.length; i++) {
		var tmp = s[a[i]];
		if (tmp) {
			re = new RegExp(a[i], 'g');
			str = str.replace(re, tmp);
		}
	}

	return str;
};

Date.prototype.__msh_oldSetFullYear = Date.prototype.setFullYear;
Date.prototype.setFullYear = function(y) {
	var d = new Date(this);
	d.__msh_oldSetFullYear(y);
	if (d.getMonth() != this.getMonth())
		this.setDate(28);
	this.__msh_oldSetFullYear(y);
};

// END: DATE OBJECT PATCHES


// global object that remembers the calendar
window._dynarch_popupCalendar = null;