/*  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
 */

// $Id: calendar.js,v 1.51 2005/03/07 16:44:31 mishoo Exp $

/** The Calendar object constructor. */
Calendar = function (firstDayOfWeek, dateStr, 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 = false;
	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.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;
// 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);

/// detect Gecko browsers
Calendar.is_gecko = navigator.userAgent.match(/gecko/i);

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

// Returns CSS property for element
Calendar.getStyle = function(element, style) {
if (element.currentStyle) {
var y = element.currentStyle[style];
} else if (window.getComputedStyle) {
var y = document.defaultView.getComputedStyle(element,null).getPropertyValue(style);
}
return y;
};

/*
 * Different ways to find element's absolute position
 */
Calendar.getAbsolutePos = function(element) {
var res = new Object();
res.x = 0; res.y = 0;
// variant 1 (working best, copy-paste from prototype library)
do {
res.x += element.offsetLeft || 0;
res.y += element.offsetTop  || 0;
element = element.offsetParent;
if (element) {
if (element.tagName.toUpperCase() == 'BODY') break;
var p = Calendar.getStyle(element, 'position');
if ((p !== 'static') && (p !== 'relative')) break;
}
} while (element);
return res;
// variant 2 (good solution, but lost in IE8)
if (element !== null) {
res.x = element.offsetLeft;
res.y = element.offsetTop;
var offsetParent = element.offsetParent;
var parentNode = element.parentNode;
while (offsetParent !== null) {
res.x += offsetParent.offsetLeft;
res.y += offsetParent.offsetTop;
if (offsetParent != document.body && offsetParent != document.documentElement) {
res.x -= offsetParent.scrollLeft;
res.y -= offsetParent.scrollTop;
}
//next lines are necessary to support FireFox problem with offsetParent
if (Calendar.is_gecko) {
while (offsetParent != parentNode && parentNode !== null) {
res.x -= parentNode.scrollLeft;
res.y -= parentNode.scrollTop;
parentNode = parentNode.parentNode;
}
}
parentNode = offsetParent.parentNode;
offsetParent = offsetParent.offsetParent;
}
}
return res;
// variant 2 (not working)

//	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;
};

// 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;
};

Calendar.showMonthsCombo = function () {
	var cal = Calendar._C;
	if (!cal) {
return false;
	}
	var cal = cal;
	var cd = cal.activeDiv;
	var mc = cal.monthsCombo;
	if (cal.hilitedMonth) {
Calendar.removeClass(cal.hilitedMonth, "hilite");
	}
	if (cal.activeMonth) {
Calendar.removeClass(cal.activeMonth, "active");
	}
	var mon = cal.monthsCombo.getElementsByTagName("div")[cal.date.getMonth()];
	Calendar.addClass(mon, "active");
	cal.activeMonth = mon;
	var s = mc.style;
	s.display = "block";
	if (cd.navtype < 0)
s.left = cd.offsetLeft + "px";
	else {
var mcw = mc.offsetWidth;
if (typeof mcw == "undefined")
// Konqueror brain-dead techniques
mcw = 50;
s.left = (cd.offsetLeft + cd.offsetWidth - mcw) + "px";
	}
	s.top = (cd.offsetTop + cd.offsetHeight) + "px";
};

Calendar.showYearsCombo = function (fwd) {
	var cal = Calendar._C;
	if (!cal) {
return false;
	}
	var cal = cal;
	var cd = cal.activeDiv;
	var yc = cal.yearsCombo;
	if (cal.hilitedYear) {
Calendar.removeClass(cal.hilitedYear, "hilite");
	}
	if (cal.activeYear) {
Calendar.removeClass(cal.activeYear, "active");
	}
	cal.activeYear = null;
	var Y = cal.date.getFullYear() + (fwd ? 1 : -1);
	var yr = yc.firstChild;
	var show = false;
	for (var i = 12; i > 0; --i) {
if (Y >= cal.minYear && Y <= cal.maxYear) {
yr.innerHTML = Y;
yr.year = Y;
yr.style.display = "block";
show = true;
} else {
yr.style.display = "none";
}
yr = yr.nextSibling;
Y += fwd ? cal.yearStep : -cal.yearStep;
	}
	if (show) {
var s = yc.style;
s.display = "block";
if (cd.navtype < 0)
s.left = cd.offsetLeft + "px";
else {
var ycw = yc.offsetWidth;
if (typeof ycw == "undefined")
// Konqueror brain-dead techniques
ycw = 50;
s.left = (cd.offsetLeft + cd.offsetWidth - ycw) + "px";
}
s.top = (cd.offsetTop + cd.offsetHeight) + "px";
	}
};

// 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 CalendarDateObject(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 CalendarDateObject(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.calDragIt = function (ev) {
	var cal = Calendar._C;
	if (!(cal && cal.dragging)) {
return false;
	}
	var posX;
	var posY;
	if (Calendar.is_ie) {
posY = window.event.clientY + document.body.scrollTop;
posX = window.event.clientX + document.body.scrollLeft;
	} else {
posX = ev.pageX;
posY = ev.pageY;
	}
	cal.hideShowCovered();
	var st = cal.element.style;
	st.left = (posX - cal.xOffs) + "px";
	st.top = (posY - cal.yOffs) + "px";
	return Calendar.stopEvent(ev);
};

Calendar.calDragEnd = function (ev) {
	var cal = Calendar._C;
	if (!cal) {
return false;
	}
	cal.dragging = false;
	with (Calendar) {
removeEvent(document, "mousemove", calDragIt);
removeEvent(document, "mouseup", calDragEnd);
tableMouseUp(ev);
	}
	cal.hideShowCovered();
};

Calendar.dayMouseDown = function(ev) {
	var el = Calendar.getElement(ev);
	if (el.disabled) {
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);
	} else if (cal.isPopup) {
cal._dragStart(ev);
	}
	if (el.navtype == -1 || el.navtype == 1) {
if (cal.timeout) clearTimeout(cal.timeout);
cal.timeout = setTimeout("Calendar.showMonthsCombo()", 250);
	} else if (el.navtype == -2 || el.navtype == 2) {
if (cal.timeout) clearTimeout(cal.timeout);
cal.timeout = setTimeout((el.navtype > 0) ? "Calendar.showYearsCombo(true)" : "Calendar.showYearsCombo(false)", 250);
	} 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();
	}
};

Calendar.dayMouseOver = function(ev) {
	var el = Calendar.getElement(ev);
	if (Calendar.isRelated(el, ev) || Calendar._C || el.disabled) {
return false;
	}
	if (el.ttip) {
if (el.ttip.substr(0, 1) == "_") {
el.ttip = el.caldate.print(el.calendar.ttDateFormat) + el.ttip.substr(1);
}
el.calendar.tooltips.innerHTML = el.ttip;
	}
	if (el.navtype != 300) {
Calendar.addClass(el, "hilite");
if (el.caldate) {
Calendar.addClass(el.parentNode, "rowhilite");
}
	}
	return Calendar.stopEvent(ev);
};

Calendar.dayMouseOut = function(ev) {
	with (Calendar) {
var el = getElement(ev);
if (isRelated(el, ev) || _C || el.disabled)
return false;
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;
}
}
cal.date.setDateOnly(el.caldate);
date = cal.date;
var other_month = !(cal.dateClicked = !el.otherMonth);
if (!other_month && !cal.currentDateEl)
cal._toggleMultipleDate(new CalendarDateObject(date));
else
newdate = !el.disabled;
// 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 CalendarDateObject(cal.date);
if (el.navtype == 0)
date.setDateOnly(new CalendarDateObject()); // 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);
};
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 {
// FIXME: this should be removed as soon as lang files get updated!
text = "Help and about box text is not translated into this language.\n" +
"If you know this language and you feel generous please update\n" +
"the corresponding file in \"lang\" subdir to match calendar-en.js\n" +
"and send it back to <mihai_bazon@yahoo.com> to get it into the distribution  ;-)\n\n" +
"Thank you!\n" +
"http://dynarch.com/mishoo/calendar.epl\n";
}
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();
	}
};

// 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 CalendarDateObject(this.dateStr) : new CalendarDateObject();
var table = Calendar.createElement("table");
	this.table = table;
	table.cellSpacing = 0;
	table.cellPadding = 0;
	table.calendar = this;
	Calendar.addEvent(table, "mousedown", Calendar.tableMouseDown);
var div = Calendar.createElement("div");
	this.element = div;
	div.className = "calendar";
	if (this.isPopup) {
div.style.position = "absolute";
div.style.display = "none";
	}
	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;
cell.innerHTML = "<div unselectable='on'>" + text + "</div>";
return cell;
	};
row = Calendar.createElement("tr", thead);
	var title_length = 6;
	(this.isPopup) && --title_length;
	(this.weekNumbers) && ++title_length;
hh("?", 1, 400).ttip = Calendar._TT["INFO"];
	this.title = hh("", title_length, 300);
	this.title.className = "title";
	if (this.isPopup) {
this.title.ttip = Calendar._TT["DRAG_TO_MOVE"];
this.title.style.cursor = "move";
hh("&#x00d7;", 1, 200).ttip = Calendar._TT["CLOSE"];
	}
row = Calendar.createElement("tr", thead);
	row.className = "headrow";
this._nav_py = hh("&#x00ab;", 1, -2);
	this._nav_py.ttip = Calendar._TT["PREV_YEAR"];
this._nav_pm = hh("&#x2039;", 1, -1);
	this._nav_pm.ttip = Calendar._TT["PREV_MONTH"];
this._nav_now = hh(Calendar._TT["TODAY"], this.weekNumbers ? 4 : 3, 0);
	this._nav_now.ttip = Calendar._TT["GO_TODAY"];
this._nav_nm = hh("&#x203a;", 1, 1);
	this._nav_nm.ttip = Calendar._TT["NEXT_MONTH"];
this._nav_ny = hh("&#x00bb;", 1, 2);
	this._nav_ny.ttip = Calendar._TT["NEXT_YEAR"];
// 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();
var tbody = Calendar.createElement("tbody", table);
	this.tbody = tbody;
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);
row = Calendar.createElement("tr", tfoot);
	row.className = "footrow";
cell = hh(Calendar._TT["SEL_DATE"], this.weekNumbers ? 8 : 7, 300);
	cell.className = "ttip";
	if (this.isPopup) {
cell.ttip = Calendar._TT["DRAG_TO_MOVE"];
cell.style.cursor = "move";
	}
	this.tooltips = cell;
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._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 (!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;
function setVars() {
el = cal.currentDateEl;
var p = el.pos;
x = p & 15;
y = p >> 4;
ne = cal.ar_days[y][x];
};setVars();
function prevMonth() {
var date = new CalendarDateObject(cal.date);
date.setDate(date.getDate() - step);
cal.setDate(date);
};
function nextMonth() {
var date = new CalendarDateObject(cal.date);
date.setDate(date.getDate() + step);
cal.setDate(date);
};
while (1) {
switch (K) {
case 37: // KEY left
if (--x >= 0)
ne = cal.ar_days[y][x];
else {
x = 6;
K = 38;
continue;
}
break;
case 38: // KEY up
if (--y >= 0)
ne = cal.ar_days[y][x];
else {
prevMonth();
setVars();
}
break;
case 39: // KEY right
if (++x < 7)
ne = cal.ar_days[y][x];
else {
x = 0;
K = 40;
continue;
}
break;
case 40: // KEY down
if (++y < cal.ar_days.length)
ne = cal.ar_days[y][x];
else {
nextMonth();
setVars();
}
break;
}
break;
}
if (ne) {
if (!ne.disabled)
Calendar.cellClick(ne);
else if (prev)
prevMonth();
else
nextMonth();
}
}
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 CalendarDateObject(),
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 CalendarDateObject(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;";
cell.disabled = true;
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) {
cell.className += " disabled";
cell.disabled = true;
} else {
if (/disabled/i.test(status))
cell.disabled = true;
cell.className += " " + status;
}
}
if (!cell.disabled) {
cell.caldate = new CalendarDateObject(date);
cell.ttip = "_";
if (!this.multiple && current_month
&& iday == mday && this.hiliteToday) {
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";
	}
	this.title.innerHTML = Calendar._MN[month] + ", " + year;
	this.onSetTime();
	this.table.style.visibility = "visible";
	this._initMultipleDates();
	// PROFILE
	// this.tooltips.innerHTML = "Generated in " + ((new CalendarDateObject()) - today) + " ms";
};

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);
	}
	this.hideShowCovered();
};

/** Removes the calendar object from the DOM tree and destroys it. */
Calendar.prototype.destroy = function () {
	var el = this.element.parentNode;
	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) {
// 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) {
window._dynarch_popupCalendar = this;
Calendar.addEvent(document, "keydown", Calendar._keyEvent);
Calendar.addEvent(document, "keypress", Calendar._keyEvent);
Calendar.addEvent(document, "mousedown", Calendar._checkCalendar);
	}
	this.hideShowCovered();
};

/**
 *  Hides the calendar.  Also removes any "hilite" from the class of any TD
 *  element.
 */
Calendar.prototype.hide = function () {
	if (this.isPopup) {
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) {
	var self = this;
	var p = Calendar.getAbsolutePos(el);
	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);
self.showAt(p.x, p.y);
	};
	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;
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);
}
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 = "day name";
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;
Calendar._add_evs(cell);
}
if (weekend.indexOf(realday.toString()) != -1) {
Calendar.addClass(cell, "weekend");
}
cell.innerHTML = Calendar._SDN[(i + fdow) % 7];
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 CalendarDateObject();
	var y = 0;
	var m = -1;
	var d = 0;
// translate date into en_US, because split() cannot parse non-latin stuff
	var a = str;
	var i;
	for (i = 0; i < Calendar._MN.length; i++) {
a = a.replace(Calendar._MN[i], enUS.m.wide[i]);
	}
	for (i = 0; i < Calendar._SMN.length; i++) {
a = a.replace(Calendar._SMN[i], enUS.m.abbr[i]);
	}
	a = a.replace(Calendar._am, 'am');
	a = a.replace(Calendar._am.toLowerCase(), 'am');
	a = a.replace(Calendar._pm, 'pm');
	a = a.replace(Calendar._pm.toLowerCase(), 'pm');
a = a.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":
for (j = 0; j < 12; ++j) {
if (enUS.m.abbr[j].substr(0, a[i].length).toLowerCase() == a[i].toLowerCase()) { m = j; break; }
}
break;
case "%B":
for (j = 0; j < 12; ++j) {
if (enUS.m.wide[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 CalendarDateObject(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 CalendarDateObject(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 CalendarDateObject(this.getFullYear(), this.getMonth(), this.getDate(), 0, 0, 0);
	var then = new CalendarDateObject(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 CalendarDateObject(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 CalendarDateObject(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 ? Calendar._pm.toUpperCase() : Calendar._am.toUpperCase();
	s["%P"] = pm ? Calendar._pm.toLowerCase() : Calendar._am.toLowerCase();
	// 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 CalendarDateObject(this);
	d.__msh_oldSetFullYear(y);
	if (d.getMonth() != this.getMonth())
this.setDate(28);
	this.__msh_oldSetFullYear(y);
};

CalendarDateObject.prototype = new Date();
CalendarDateObject.prototype.constructor = CalendarDateObject;
CalendarDateObject.prototype.parent = Date.prototype;
function CalendarDateObject() {
var dateObj;
if (arguments.length > 1) {
dateObj = eval("new this.parent.constructor("+Array.prototype.slice.call(arguments).join(",")+");");
} else if (arguments.length > 0) {
dateObj = new this.parent.constructor(arguments[0]);
} else {
dateObj = new this.parent.constructor();
if (typeof(CalendarDateObject._SERVER_TIMZEONE_SECONDS) != "undefined") {
dateObj.setTime((CalendarDateObject._SERVER_TIMZEONE_SECONDS + dateObj.getTimezoneOffset()*60)*1000);
}
}
return dateObj;
}

// END: DATE OBJECT PATCHES
// global object that remembers the calendar
window._dynarch_popupCalendar = null;