var kCalendar = {

currPopupElem : null,
currRefElem : null,
needsKilled : false,
timerHandle : -1,

//----------------------------------
generateCalendar : function (eventList, monthOffset, showDayRow) {

var date = new Date();

var day = date.getDate();
var month = date.getMonth() + ((monthOffset)? monthOffset:0);
var year = date.getFullYear();

var months = ['january','february','march','april','may','june',
	'july','august','september','october','november','december'];
var days = ["sunday", "monday", "tuesday", "wednesday", "thursday", "friday", "saturday"];

var currMonth = new Date(year, month, 1);
var nextMonth = new Date(year, (month%12)+1, 1);

var monthsEventList = eventList[month+1];
if (!monthsEventList)
	monthsEventList = {};

var firstDayOfWeek = currMonth.getDay();
var daysInCurrMonth = Math.round((nextMonth.getTime() - currMonth.getTime()) / (1000 * 60 * 60 * 24));

var el = aardvarkTools.createElement;
var tbody, cal, tr, td;

var cal = el("table", {cellSpacing:"0", cellPadding:"0", className:"calendar"},
  el("caption", null,
    /*el("a", {className:"nav", title:"previous month", href:"#"},
      "<<"
      ), */
    " " +  months[month] + " " /*,
    el("a", {className:"nav", title:"next month", href:"#"},
      ">>"
      ) */
    )
   );
cal.appendChild (tbody = el("tbody"));
//if (showDayRow)
	{
	tbody.appendChild (tr = el("tr"));
	for (var i=0; i<days.length; i++) {
		tr.appendChild (el("th", {title:days[i]}, days[i].charAt(0).toUpperCase()));
		}
	}
tbody.appendChild (tr = el("tr"));

for(dayOfWeek = 0; dayOfWeek < firstDayOfWeek; dayOfWeek++) {
	tr.appendChild (el("td", null, " "));
	}

dayOfWeek = firstDayOfWeek;
for(dayCount = 1; dayCount <= daysInCurrMonth; dayCount++) {
	dayOfWeek %= 7;
	if(dayOfWeek == 0)
		tbody.appendChild (tr = el("tr"));

	var currDayEvent;

	if ((currDayEvent = monthsEventList[dayCount]) != null) {
		td = el("td", {className: ((monthOffset == 0 && day == dayCount) ? "eventDay today" : "eventDay")}, dayCount.toString());
		currDayEvent.dateString = days[dayOfWeek] + ", " + months[month] + " " + dayCount;
		aardvarkTools.setEventHandler (td, "onmouseover", kCalendar.mouseOver, currDayEvent, td);
		aardvarkTools.setEventHandler (td, "onmouseout", kCalendar.mouseOut);
		aardvarkTools.setEventHandler (td, "onclick", kCalendar.click, currDayEvent);
		}
	else
		td = el("td", ((monthOffset == 0 && day == dayCount)?{className: "today"}:null), dayCount.toString());
	tr.appendChild (td);
	dayOfWeek++;
	}
for(; dayOfWeek < 7; dayOfWeek++) {	
	tr.appendChild (el("td", null, " "));
	}
return cal;
},

//--------------------------------------------------------------
showPopup : function (dayEventList, refElem){
refElem.style.backgroundColor = "#ffa";
var elem = null, el = aardvarkTools.createElement;
var isTD = false;
kCalendar.currRefElem = refElem;

elem = el ("div", {style: {display: "none", visibility: "hidden"}, className: "calEvent"});
document.body.appendChild (elem);
var s = "";
for (var i=0; i<dayEventList.length; i++) {
	var eventObj = dayEventList[i];
	if (i>0) 
		s += "<br>"
	s += "<b>" + eventObj.title + "</b><br><i>when:</i> " + dayEventList.dateString;
	if (eventObj.time)
		s += ", " + eventObj.time;
		
	if (eventObj.location)
		s += "<br><i>where:</i> " + eventObj.location;
	if (eventObj.deets)
		s += "<br><i>details:</i> " + eventObj.deets;
	if (eventObj.url)
		s += "<br><i>more info at:</i> " + eventObj.url + "<br><center><span style='font-size: .9em'>(click date to go to web site)</span></center>";
	if (eventObj.map)
		s += "<br><center><span style='font-size: .9em'>(click date for map)</span></center>";
	}
elem.innerHTML = s;	
var k = Karmatics;

var dims = k.getWindowDimensions();

k.moveElem(elem, 1, dims.scrollY+1);
elem.style.display = "";

var pos = k.getPos (refElem);
var refWidth = refElem.width;
if (refElem.tagName == "TD")	{
	var table = refElem;
	while (table && table.tagName != "TABLE")
		table = table.parentNode;
	var pos2 = k.getPos(table);
	pos.x = pos2.x;
	refWidth = table.offsetWidth;	
	isTD = true;
	}

var yPos = pos.y +
	(refElem.offsetHeight/2) - (elem.offsetHeight/2);
var xPos = pos.x + refWidth;
var bottom = dims.scrollY + dims.height;


if(xPos < 0)
	xPos = 0;
k.moveElem(elem, xPos, yPos);	
elem.style.visibility = "visible";
kCalendar.currPopupElem = elem;
},

//--------------------------------------------------------------
killPopup : function (refElem) { // refElem not used?
kCalendar.timerHandle = -1;
if (kCalendar.needsKilled && kCalendar.currPopupElem) {
	kCalendar.currRefElem.style.backgroundColor = "";
	kCalendar.currPopupElem.parentNode.removeChild (kCalendar.currPopupElem);
	kCalendar.currPopupElem = null;
	kCalendar.currRefElem = null;
	kCalendar.needsKilled = false;
	}
},

//--------------------------------------------------------------
mouseOver : function(dayEvent, refElem) {
if (kCalendar.timerHandle != -1) {
	aardvarkTools.cancelTimerFunction (kCalendar.timerHandle);
	kCalendar.timerHandle = -1;
	}
if (refElem == kCalendar.currRefElem) {
	kCalendar.needsKilled = false;
	return;
	}
kCalendar.needsKilled = true;
kCalendar.killPopup (refElem);
kCalendar.showPopup (dayEvent, refElem);
},

//--------------------------------------------------------------
mouseOut : function() {
kCalendar.needsKilled = true;
kCalendar.timerHandle = aardvarkTools.setTimerFunction (10, kCalendar.killPopup, kCalendar.currRefElem);
}, 
//--------------------------------------------------------------
click : function(dayEventList) {
for (var i=0; i<dayEventList.length; i++)
	{
	if (dayEventList[i].url)
		window.open (dayEventList[i].url);
	if (dayEventList[i].map)
		window.open (dayEventList[i].map);
	}
} 
};