//
// JavaScript Event Calendar
//
// Version: 1.0
// Date: November 15, 1998
// For information: http://members.aol.com/kevinilsen  or kilsen@m-vation.com
//
// Configurable values are set to defaults here; can override them before calling Calendar( ) from the HTML page

var SpecialDay=1;	// 1=Sunday, 2=Monday, . . . 7=Saturday
var FontSize="-2";
var FontSize1="3";
var FontFace="Tahoma,Verdana,Arial,Helvetica,Sans-serif,sans-serif";
var ColorBackground="#f5f5f5";
var ColorSpecialDay = "black";
var ColorToday = "red";
var ColorEvent = "black";

// Initialize the range of the calendar to Jan - Dec of the current year.  Calls to DefineEvent( ) will change this
// as needed; it is also possible to explicitly override the range before calling Calendar( ) from the HTML page.

var today = new Date();
var FirstMonth=GetFullYear(today) * 100 + 1;
var LastMonth=FirstMonth + 11;

// Events[] is a SPARSE array; Call DefineEvent( ) to populate it
var Events = new Array;

// Each event is defined by calling the DefineEvent( ) routine with the following parameters:
//
//   DefineEvent(EventDate, EventTime, EventTitle, EventDescription, EventLink, Image, Width, Height)
//        EventDate is a numeric value in the format YYYYMMDD
//        EventTime is text
//        EventTitle is the name of the event
//        EventDescription is a string that can include embedded HTML tags (e.g., <BR>, <strong>, etc.)
//        EventLink is the URL of the target page if a hyperlink is desired from this event entry
//        Image is the URL of the image if you want to display an image with this event
//        Width is the width of the image in pixels
//        Height is the height of the image in pixels


function DefineEvent(EventDate, EventTime, EventTitle, EventDescription, EventContact, EventLink, TargetType, Image, Width, Height) {
	var tmp;

	// Build the HTML string for this event: image (optional), link (optional), and description
	tmp = "";

	var Qot = "'";
    var vEventTitle = EventTitle;
    var vEventDescription = EventDescription;
    var vEventContact = EventContact;

// These two lines convert all apostrophes in title, description, and Contact to backslash-apostrophes. The "g" means global.
  vEventTitle = vEventTitle.replace(/'/g,"\\'");
  vEventDescription = vEventDescription.replace(/'/g,"\\'");
  vEventContact = vEventContact.replace(/'/g,"\\'");

	tmp = '<A HREF="javascript:ViewEvent(' + Qot + EventDate + Qot;
        tmp = tmp + ',' + Qot + EventTime + Qot; 
        tmp = tmp + ',' + Qot + vEventTitle + Qot;
        tmp = tmp + ',' + Qot + vEventDescription + Qot;
        tmp = tmp + ',' + Qot + vEventContact + Qot;
        tmp = tmp + ',' + Qot + EventLink + Qot;
        tmp = tmp + ',' + Qot + TargetType + Qot;
        tmp = tmp + ',' + Qot + Image + Qot;
        tmp = tmp + ',' + Width + ',' + Height;

        tmp = tmp + ')">' 

        if (Image != "") {
		tmp = tmp + '<img src="' + Image + '"  width="' + Width + '" height="' + Height + '" border="0" align="left" valign="top">';
	}

        tmp = tmp + EventTitle + '</A><br>';


	// If an event already exists for this date, append the new event to it.
	if (Events[EventDate])
		Events[EventDate] += "<BR><br>" + tmp;
	else
		Events[EventDate] = tmp;

	// Adjust the minimum and maximum month & year to include this date
	tmp = Math.floor(EventDate / 100);
	if (tmp < FirstMonth) FirstMonth = tmp;
	if (tmp > LastMonth) LastMonth = tmp;
}



// Utility function to populate an array with values
function arr() {
	for (var n=0;n<arr.arguments.length;n++) {
		this[n+1] = arr.arguments[n];
	}
}

// Create the array of month names (used in various places)
var months = new arr("January","February","March","April","May","June","July","August","September","October","November","December");

// Calendar( ) is the only routine that needs to be called to display the calendar

function Calendar( ) {
	var curdy, curmo, yr, mo, dy, dayofweek, yearmonth, bgn, lastday, jump;
	var weekdays = new arr("Sun","Mon","Tue","Wed","Thu","Fri","Sat");
	var thispage = window.location.pathname;

	// Save current day and month for comparison
	curdy = today.getDate();
	curmo = today.getMonth()+1;

	// Default to current month and year
	mo = curmo;
	yr = GetFullYear(today);
	yearmonth = (yr * 100) + mo;

	// If querystring parameter is present, get the month/year ("calendar.htm?YYYYMM")
	if (location.search.length > 1) {
		yearmonth = parseInt(location.search.substring(1,location.search.length));
		if ((""+yearmonth).length == 6) {
			mo = yearmonth % 100;
			yr = (yearmonth - mo) / 100;
		}
	}

	// Constrain to the range of months with events
	if (yearmonth < FirstMonth) {
		mo = FirstMonth % 100;
		yr = (FirstMonth - mo) / 100;
		yearmonth = FirstMonth;
	}
	if (yearmonth > LastMonth) {
		mo = LastMonth % 100;
		yr = (LastMonth - mo) / 100;
		yearmonth = LastMonth;
	}

	// Create a data object for the first day of the desired month
	bgn = new Date(months[mo] + " 1," + yr);
	// Get the day-of-week of the first day, and the # days in the month
	dayofweek = bgn.getDay();
	lastday = NumDaysIn(mo,yr);
        document.write("<link href=\"http://www.focuscommunities.com/cssmaster.css\" rel=\"stylesheet\" type=\"text/css\">");
	document.write("<TABLE BORDER=0 cellspace=3 background='#f5f5f5'>");


// THIS IS THE TOP NAVIGATION 
document.write("<tr bgcolor='#d5d5d5'><TD colspan=7 align=center valign=middle>");
document.write('<table width="600" align=left valign=middle border="0" cellspacing="0" cellpadding="0">');
document.write('  <tr>');
document.write('    <td align=right width="200" valign=top class="BodyNormal LinkOff"><a href="' + thispage + '?'+PrevYearMonth(yearmonth)+'">&lt;'+months[PrevMonth(mo)]+'</a></td>');
thispage + PrevYearMonth(yearmonth)
document.write('    <td align=center width="200"><Form>');
BuildSelectionList(yearmonth, thispage);
document.write('</Form></td>');
document.write('    <td align=left width="200" valign=top class="BodyNormal LinkOff"><a href="' + thispage + '?'+NextYearMonth(yearmonth)+'">'+months[NextMonth(mo)]+' &gt;</a></td>');
document.write('  </tr>');
document.write('</table>');
document.write('</td></tr>');

// END NAV

	for (var i=1;i<=7;i++){
		document.write("<TD class='BodySmall' ALIGN=CENTER WIDTH=85 bgcolor='#d5d5d5'>"+weekdays[i]+"</TD>");
	}
	document.write("</TR><TR bgcolor='#f5f5f5'>");
	dy = 1;
	// Special handling for the first week of the month
	for (var i=1;i<=7;i++) {
		// If the day is less than the day of the
		// week determined to be the first day
		// of the month, print a space in
		// this cell of the table.
		if (i <= dayofweek){
			document.write("<TD width='85' ALIGN=CENTER></TD>");
		}
		// Otherwise, write date and the event,
		// if any, in this cell of the table.
		else {
			ShowDate(yr,mo,dy,i,curmo,curdy);
			dy++;
		}
	}
	document.write("</TR><TR bgcolor='#f5f5f5'>");
	// Rest of the weeks . . .
	while (dy <= lastday) {
		for (var i=1;i<=7;i++) {
			// If the day is greater than the last
			// day of the month, print a space in
			// this cell of the table.
			if (dy > lastday) {
				document.write("<TD width='85' ALIGN=CENTER>&nbsp;</TD>");
			}
			// Otherwise, write date and the event,
			// if any, in this cell of the table.
			else {
				ShowDate(yr,mo,dy,i,curmo,curdy);
				dy++;
			}
		}
		document.write("</TR><TR bgcolor='#f5f5f5'>");
	}


document.write("<tr bgcolor='#d5d5d5'><TD colspan=7 align=center valign=middle>");
document.write('<table width="600" align=left valign=top border="0" cellspacing="0" cellpadding="0">');
document.write('  <tr>');
document.write('    <td align=right valign=top width="200" class="BodyNormal LinkOff"><a href="' + thispage + '?'+PrevYearMonth(yearmonth)+'">&lt;'+months[PrevMonth(mo)]+'</a></td>');
thispage + PrevYearMonth(yearmonth)
document.write('    <td align=center width="200"><Form>');
BuildSelectionList(yearmonth, thispage);
document.write('</Form></td>');
document.write('    <td align=left valign=top width="200" class="BodyNormal LinkOff"><a href="' + thispage + '?'+NextYearMonth(yearmonth)+'">'+months[NextMonth(mo)]+' &gt;</a></td>');
document.write('  </tr>');
document.write('</table>');
document.write('</td></tr>');

  document.write("</TR>");

	document.write("</TABLE>");
}

// Display a date in the appropriate color, with events (if there are any)

function ShowDate(yr, mo, dy, dayofweek, currentmonth, currentday) {
	var ind, HighlightEvent, tmp;

	document.write("<TD ALIGN=CENTER VALIGN=TOP><P ALIGN=RIGHT class='BodyNormal'");
	HighlightEvent = true;
	if (dayofweek == SpecialDay) {
		// document.write(" COLOR=" + ColorSpecialDay);
		HighlightEvent = false;
	}
	if ((mo == currentmonth) && (dy == currentday)) {
		
		// document.write(" COLOR=" + ColorToday);
		
		HighlightEvent = false;
	}
	ind = (((yr * 100) + mo) * 100) + dy;
	if (Events[ind]) {
		tmp = Events[ind];
		if (HighlightEvent) {
		//	 document.write(" COLOR=" + ColorEvent);
		}
	} else tmp="&nbsp;<BR>&nbsp;";
	if ((mo == currentmonth) && (dy == currentday)) {
	   document.write("><B>"+dy+"</B></ALIGN></P><span class='BodyCaption LinkOff'>"+tmp+"</span></TD>");
    } else {
	   document.write(">"+dy+"</ALIGN></P><span class='BodyCaption LinkOff'>"+tmp+"</span></TD>");
    }
}

// Remaining routines are utilities used above

function NumDaysIn(mo,yr) {
	if (mo==4 || mo==6 || mo==9 || mo==11) return 30;
	else if ((mo==2) && LeapYear(yr)) return 29;
	else if (mo==2) return 28;
	else return 31;
}

function LeapYear(yr) {
	if (((yr % 4 == 0) && yr % 100 != 0) || yr % 400 == 0) return true;
	else return false;
}

// fixes a Netscape 2 and 3 bug
function GetFullYear(d) { // d is a date object
	var yr;

	yr = d.getYear();
	if (yr < 1000)
	yr +=1900;
	return yr;
}

function PrevMonth(mth) {
	if (mth == 1) return 12;
	else return (mth-1);
}

function NextMonth(mth) {
	if (mth == 12) return 1;
	else return (mth+1);
}

function PrevYearMonth(yrmth) {
	if ((yrmth % 100) == 1) return ((yrmth-100)+11);
	else return (yrmth-1);
}

function NextYearMonth(yrmth) {
	if ((yrmth % 100) == 12) return ((yrmth-11)+100);
	else return (yrmth+1);
}

function JumpTo(calendar, thispage) {
	var sel, yrmo;

	sel = calendar.selectedIndex;
	yrmo = calendar.form.jumpmonth[sel].value;
	document.location = thispage + "?" + yrmo;
}

function BuildSelectionList(current,thispage) {
	var mo, yr, yearmonth;

	yearmonth = FirstMonth;
	document.write("<select name=\"jumpmonth\" size=1 onchange=\"JumpTo(this,'" + thispage + "')\">");
	while (yearmonth <= LastMonth) {
		mo = yearmonth % 100;
		yr = (yearmonth - mo) / 100;
		document.write("<option value=");
		document.write(yearmonth);
		if (yearmonth == current) document.write(" selected");
		document.write(">");
		document.write(months[mo]+" "+yr);
		yearmonth = NextYearMonth(yearmonth);
	}
	document.write("</select>");
}