var weekend = [0,6];

var weekendColor = "tan";

var fontface = "Verdana";

var fontsize = 8;			// in "pt" units; used with "font-size" style element



var gNow = new Date();

var ggWinContent;

var ggPosX = -1;

var ggPosY = -1;



Calendar.Months = ["January", "February", "March", "April", "May", "June",

"July", "August", "September", "October", "November", "December"];



// Non-Leap year Month days..

Calendar.DOMonth = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];

// Leap year Month days..

Calendar.lDOMonth = [31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];



function Calendar(p_item, p_month, p_year, p_format) {

	if ((p_month == null) && (p_year == null))	return;



	if (p_month == null) {

		this.gMonthName = null;

		this.gMonth = null;

		this.gYearly = true;

	} else {

		this.gMonthName = Calendar.get_month(p_month);

		this.gMonth = new Number(p_month);

		this.gYearly = false;

	}



	this.gYear = p_year;

	this.gFormat = p_format;

	this.gBGColor = "white";

	this.gFGColor = "black";

	this.gTextColor = "black";

	this.gHeaderColor = "black";

	this.gReturnItem = p_item;

}



Calendar.get_month = Calendar_get_month;

Calendar.get_daysofmonth = Calendar_get_daysofmonth;

Calendar.calc_month_year = Calendar_calc_month_year;



function Calendar_get_month(monthNo) {

	return Calendar.Months[monthNo];

}



function Calendar_get_daysofmonth(monthNo, p_year) {

	/* 

	Check for leap year ..

	1.Years evenly divisible by four are normally leap years, except for... 

	2.Years also evenly divisible by 100 are not leap years, except for... 

	3.Years also evenly divisible by 400 are leap years. 

	*/

	if ((p_year % 4) == 0) {

		if ((p_year % 100) == 0 && (p_year % 400) != 0)

			return Calendar.DOMonth[monthNo];

	

		return Calendar.lDOMonth[monthNo];

	} else

		return Calendar.DOMonth[monthNo];

}



function Calendar_calc_month_year(p_Month, p_Year, incr) {

	/* 

	Will return an 1-D array with 1st element being the calculated month 

	and second being the calculated year 

	after applying the month increment/decrement as specified by 'incr' parameter.

	'incr' will normally have 1/-1 to navigate thru the months.

	*/

	var ret_arr = new Array();

	

	if (incr == -1) {

		// B A C K W A R D

		if (p_Month == 0) {

			ret_arr[0] = 11;

			ret_arr[1] = parseInt(p_Year) - 1;

		}

		else {

			ret_arr[0] = parseInt(p_Month) - 1;

			ret_arr[1] = parseInt(p_Year);

		}

	} else if (incr == 1) {

		// F O R W A R D

		if (p_Month == 11) {

			ret_arr[0] = 0;

			ret_arr[1] = parseInt(p_Year) + 1;

		}

		else {

			ret_arr[0] = parseInt(p_Month) + 1;

			ret_arr[1] = parseInt(p_Year);

		}

	}

	

	return ret_arr;

}



function Calendar_calc_month_year(p_Month, p_Year, incr) {

	/* 

	Will return an 1-D array with 1st element being the calculated month 

	and second being the calculated year 

	after applying the month increment/decrement as specified by 'incr' parameter.

	'incr' will normally have 1/-1 to navigate thru the months.

	*/

	var ret_arr = new Array();

	

	if (incr == -1) {

		// B A C K W A R D

		if (p_Month == 0) {

			ret_arr[0] = 11;

			ret_arr[1] = parseInt(p_Year) - 1;

		}

		else {

			ret_arr[0] = parseInt(p_Month) - 1;

			ret_arr[1] = parseInt(p_Year);

		}

	} else if (incr == 1) {

		// F O R W A R D

		if (p_Month == 11) {

			ret_arr[0] = 0;

			ret_arr[1] = parseInt(p_Year) + 1;

		}

		else {

			ret_arr[0] = parseInt(p_Month) + 1;

			ret_arr[1] = parseInt(p_Year);

		}

	}

	

	return ret_arr;

}



// This is for compatibility with Navigator 3, we have to create and discard one object before the prototype object exists.

new Calendar();



Calendar.prototype.getMonthlyCalendarCode = function() {

	var vCode = "";

	var vHeader_Code = "";

	var vData_Code = "";

	

	// Begin Table Drawing code here..

	vCode += ("<div align=center><TABLE BORDER=0 BGCOLOR=\"" + this.gBGColor + "\" style='font-size:" + fontsize + "pt;'>");

	

	vHeader_Code = this.cal_header();

	vData_Code = this.cal_data();

	vCode += (vHeader_Code + vData_Code);

	

	vCode += "</TABLE></div>";

	

	return vCode;

}



Calendar.prototype.show = function() {

	var vCode = "";



	// build content into global var ggWinContent

	ggWinContent += ("<FONT FACE='" + fontface + "' ><B>");

	ggWinContent += (this.gMonthName + " " + this.gYear);

	ggWinContent += "</B><BR>";

	

	// Show navigation buttons

	var prevMMYYYY = Calendar.calc_month_year(this.gMonth, this.gYear, -1);

	var prevMM = prevMMYYYY[0];

	var prevYYYY = prevMMYYYY[1];



	var nextMMYYYY = Calendar.calc_month_year(this.gMonth, this.gYear, 1);

	var nextMM = nextMMYYYY[0];

	var nextYYYY = nextMMYYYY[1];

	

	ggWinContent += ("<TABLE WIDTH='100%' BORDER=0 CELLSPACING=0 CELLPADDING=0 BGCOLOR='#A7937B' style='font-size:" + fontsize + "pt;'><TR><TD ALIGN=center bgcolor=\"#A7937B\">");

	ggWinContent += ("<A HREF=\"javascript:void(0);\" " +

		"onMouseOver=\"window.status='Go back one year'; return true;\" " +

		"onMouseOut=\"window.status=''; return true;\" " +

		"onClick=\"Build(" + 

		"'" + this.gReturnItem + "', '" + this.gMonth + "', '" + (parseInt(this.gYear)-1) + "', '" + this.gFormat + "'" +

		");" +

		"\"><< Year<\/A></TD><TD ALIGN=center bgcolor=\"#A7937B\">");

	ggWinContent += ("<A HREF=\"javascript:void(0);\" " +

		"onMouseOver=\"window.status='Go back one month'; return true;\" " +

		"onMouseOut=\"window.status=''; return true;\" " +

		"onClick=\"Build(" + 

		"'" + this.gReturnItem + "', '" + prevMM + "', '" + prevYYYY + "', '" + this.gFormat + "'" +

		");" +

		"\">< Mon<\/A></TD><TD ALIGN=center>");

	ggWinContent += "       </TD><TD ALIGN=center bgcolor=\"#A7937B\">";

	ggWinContent += ("<A HREF=\"javascript:void(0);\" " +

		"onMouseOver=\"window.status='Go forward one month'; return true;\" " +

		"onMouseOut=\"window.status=''; return true;\" " +

		"onClick=\"Build(" + 

		"'" + this.gReturnItem + "', '" + nextMM + "', '" + nextYYYY + "', '" + this.gFormat + "'" +

		");" +

		"\">Mon ><\/A></TD><TD ALIGN=center bgcolor=\"#A7937B\">");

	ggWinContent += ("<A HREF=\"javascript:void(0);\" " +

		"onMouseOver=\"window.status='Go forward one year'; return true;\" " +

		"onMouseOut=\"window.status=''; return true;\" " +

		"onClick=\"Build(" + 

		"'" + this.gReturnItem + "', '" + this.gMonth + "', '" + (parseInt(this.gYear)+1) + "', '" + this.gFormat + "'" +

		");" +

		"\">Year >><\/A></TD></TR></TABLE><BR>");



	// Get the complete calendar code for the month, and add it to the

	//	content var

	vCode = this.getMonthlyCalendarCode();

	ggWinContent += vCode;

}



Calendar.prototype.showY = function() {

	var vCode = "";

	var i;



	ggWinContent += "<FONT FACE='" + fontface + "' ><B>"

	ggWinContent += ("Year : " + this.gYear);

	ggWinContent += "</B><BR>";



	// Show navigation buttons

	var prevYYYY = parseInt(this.gYear) - 1;

	var nextYYYY = parseInt(this.gYear) + 1;

	

	ggWinContent += ("<TABLE WIDTH='100%' BORDER=0 CELLSPACING=0 CELLPADDING=0 BGCOLOR='black' style='font-size:" + fontsize + "pt;'><TR><TD ALIGN=center>");

	ggWinContent += ("[<A HREF=\"javascript:void(0);\" " +

		"onMouseOver=\"window.status='Go back one year'; return true;\" " +

		"onMouseOut=\"window.status=''; return true;\" " +

		"onClick=\"Build(" + 

		"'" + this.gReturnItem + "', null, '" + prevYYYY + "', '" + this.gFormat + "'" +

		");" +

		"\"><<Year<\/A>]</TD><TD ALIGN=center>");

	ggWinContent += "       </TD><TD ALIGN=center>";

	ggWinContent += ("[<A HREF=\"javascript:void(0);\" " +

		"onMouseOver=\"window.status='Go forward one year'; return true;\" " +

		"onMouseOut=\"window.status=''; return true;\" " +

		"onClick=\"Build(" + 

		"'" + this.gReturnItem + "', null, '" + nextYYYY + "', '" + this.gFormat + "'" +

		");" +

		"\">Year>><\/A>]</TD></TR></TABLE><BR>");



	// Get the complete calendar code for each month.

	// start a table and first row in the table

	ggWinContent += ("<TABLE WIDTH='100%' BORDER=0 CELLSPACING=0 CELLPADDING=5 style='font-size:" + fontsize + "pt;'><TR>");

	var j;

	for (i=0; i<12; i++) {

		// start the table cell

		ggWinContent += "<TD ALIGN='center' VALIGN='top'>";

		this.gMonth = i;

		this.gMonthName = Calendar.get_month(this.gMonth);

		vCode = this.getMonthlyCalendarCode();

		ggWinContent += (this.gMonthName + "/" + this.gYear + "<BR>");

		ggWinContent += vCode;

		ggWinContent += "</TD>";

		if (i == 3 || i == 7) {

			ggWinContent += "</TR><TR>";

			}



	}



	ggWinContent += "</TR></TABLE></font><BR>";

}



Calendar.prototype.cal_header = function() {

	var vCode = "";

	

	vCode = vCode + "<TR>";

	vCode = vCode + "<TD WIDTH='14%'><FONT FACE='" + fontface + "' COLOR='" + this.gHeaderColor + "'><B>Sun</B></FONT></TD>";

	vCode = vCode + "<TD WIDTH='14%'><FONT FACE='" + fontface + "' COLOR='" + this.gHeaderColor + "'><B>Mon</B></FONT></TD>";

	vCode = vCode + "<TD WIDTH='14%'><FONT FACE='" + fontface + "' COLOR='" + this.gHeaderColor + "'><B>Tue</B></FONT></TD>";

	vCode = vCode + "<TD WIDTH='14%'><FONT FACE='" + fontface + "' COLOR='" + this.gHeaderColor + "'><B>Wed</B></FONT></TD>";

	vCode = vCode + "<TD WIDTH='14%'><FONT FACE='" + fontface + "' COLOR='" + this.gHeaderColor + "'><B>Thu</B></FONT></TD>";

	vCode = vCode + "<TD WIDTH='14%'><FONT FACE='" + fontface + "' COLOR='" + this.gHeaderColor + "'><B>Fri</B></FONT></TD>";

	vCode = vCode + "<TD WIDTH='16%'><FONT FACE='" + fontface + "' COLOR='" + this.gHeaderColor + "'><B>Sat</B></FONT></TD>";

	vCode = vCode + "</TR>";

	

	return vCode;

}



Calendar.prototype.cal_data = function() {

	var vDate = new Date();

	vDate.setDate(1);

	vDate.setMonth(this.gMonth);

	vDate.setFullYear(this.gYear);



	var vFirstDay=vDate.getDay();

	var vDay=1;

	var vLastDay=Calendar.get_daysofmonth(this.gMonth, this.gYear);

	var vOnLastDay=0;

	var vCode = "";



	/*

	Get day for the 1st of the requested month/year..

	Place as many blank cells before the 1st day of the month as necessary. 

	*/

	vCode = vCode + "<TR>";

	for (i=0; i<vFirstDay; i++) {

		vCode = vCode + "<TD WIDTH='14%'" + this.write_weekend_string(i) + "><FONT FACE='" + fontface + "'>&nbsp;</FONT></TD>";

	}



	// Write rest of the 1st week

	for (j=vFirstDay; j<7; j++) {

		vCode = vCode + "<TD WIDTH='14%'" + this.write_weekend_string(j) + "><FONT FACE='" + fontface + "'>" + 

			"<A HREF='javascript:void(0);' " + 

				"onMouseOver=\"window.status='set date to " + this.format_data(vDay) + "'; return true;\" " +

				"onMouseOut=\"window.status=' '; return true;\" " +

				"onClick=\"document." + this.gReturnItem + ".value='" + 

				this.format_data(vDay) + 

				"';ggPosX=-1;ggPosY=-1;nd();nd();\">" + 

				this.format_day(vDay) + 

			"</A>" + 

			"</FONT></TD>";

		vDay=vDay + 1;

	}

	vCode = vCode + "</TR>";



	// Write the rest of the weeks

	for (k=2; k<7; k++) {

		vCode = vCode + "<TR>";



		for (j=0; j<7; j++) {

			vCode = vCode + "<TD WIDTH='14%'" + this.write_weekend_string(j) + "><FONT FACE='" + fontface + "'>" + 

				"<A HREF='javascript:void(0);' " +

					"onMouseOver=\"window.status='set date to " + this.format_data(vDay) + "'; return true;\" " +

					"onMouseOut=\"window.status=' '; return true;\" " +

					"onClick=\"document." + this.gReturnItem + ".value='" + 

					this.format_data(vDay) + 

					"';ggPosX=-1;ggPosY=-1;nd();nd();\">" + 

					//"';window.scroll(0,ggPosY);ggPosX=-1;ggPosY=-1;nd();nd();\">" + 

				this.format_day(vDay) + 

				"</A>" + 

				"</FONT></TD>";

			vDay=vDay + 1;



			if (vDay > vLastDay) {

				vOnLastDay = 1;

				break;

			}

		}



		if (j == 6)

			vCode = vCode + "</TR>";

		if (vOnLastDay == 1)

			break;

	}

	

	// Fill up the rest of last week with proper blanks, so that we get proper square blocks

	for (m=1; m<(7-j); m++) {

		if (this.gYearly)

			vCode = vCode + "<TD WIDTH='14%'" + this.write_weekend_string(j+m) + 

			"><FONT FACE='" + fontface + "' COLOR='black'> </FONT></TD>";

		else

			vCode = vCode + "<TD WIDTH='14%'" + this.write_weekend_string(j+m) + 

			"><FONT FACE='" + fontface + "' COLOR='black'>&nbsp;</FONT></TD>";

	}

	

	return vCode;

}



Calendar.prototype.format_day = function(vday) {

	var vNowDay = gNow.getDate();

	var vNowMonth = gNow.getMonth();

	var vNowYear = gNow.getFullYear();



	if (vday == vNowDay && this.gMonth == vNowMonth && this.gYear == vNowYear)

		return ("<FONT COLOR=\"RED\"><B>" + vday + "</B></FONT>");

	else

		return (vday);

}



Calendar.prototype.write_weekend_string = function(vday) {

	var i;



	// Return special formatting for the weekend day.

	for (i=0; i<weekend.length; i++) {

		if (vday == weekend[i])

			return (" BGCOLOR=\"" + weekendColor + "\"");

	}

	

	return "";

}



Calendar.prototype.format_data = function(p_day) {

	var vData;

	var vMonth = 1 + this.gMonth;

	vMonth = (vMonth.toString().length < 2) ? "0" + vMonth : vMonth;

	var vMon = Calendar.get_month(this.gMonth).substr(0,3).toUpperCase();

	var vFMon = Calendar.get_month(this.gMonth).toUpperCase();

	var vFMon2 = Calendar.get_month(this.gMonth);

	var vY4 = new String(this.gYear);

	var vY2 = new String(this.gYear.substr(2,2));

	var vDD = (p_day.toString().length < 2) ? "0" + p_day : p_day;

    var myDays= ["Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday","Sunday"]

	var theday = new Date(vMonth+'/'+p_day+'/'+vY4);

    var dow = theday.getDay();

	var vFDAY = myDays[dow];

    var StNdRdTh = 'th';;

    if ( p_day == '1' ) { StNdRdTh = 'st'; }

    else if ( p_day == '2' ) { StNdRdTh = 'nd'; }

    else if ( p_day == '3' ) { StNdRdTh = 'rd'; }



	switch (this.gFormat) {

		case "DAY MON DD" :

			vData = vFDAY + " " + vFMon2 + " " + p_day + StNdRdTh;

			break;

		case "MM\/DD\/YYYY" :

			vData = vMonth + "\/" + vDD + "\/" + vY4;

			break;

		case "MM\/DD\/YY" :

			vData = vMonth + "\/" + vDD + "\/" + vY2;

			break;

		case "MM-DD-YYYY" :

			vData = vMonth + "-" + vDD + "-" + vY4;

			break;

		case "YYYY-MM-DD" :

			vData = vY4 + "-" + vMonth + "-" + vDD;

			break;

		case "MM-DD-YY" :

			vData = vMonth + "-" + vDD + "-" + vY2;

			break;

		case "DD\/MON\/YYYY" :

			vData = vDD + "\/" + vMon + "\/" + vY4;

			break;

		case "DD\/MON\/YY" :

			vData = vDD + "\/" + vMon + "\/" + vY2;

			break;

		case "DD-MON-YYYY" :

			vData = vDD + "-" + vMon + "-" + vY4;

			break;

		case "DD-MON-YY" :

			vData = vDD + "-" + vMon + "-" + vY2;

			break;

		case "DD\/MONTH\/YYYY" :

			vData = vDD + "\/" + vFMon + "\/" + vY4;

			break;

		case "DD\/MONTH\/YY" :

			vData = vDD + "\/" + vFMon + "\/" + vY2;

			break;

		case "DD-MONTH-YYYY" :

			vData = vDD + "-" + vFMon + "-" + vY4;

			break;

		case "DD-MONTH-YY" :

			vData = vDD + "-" + vFMon + "-" + vY2;

			break;

		case "DD\/MM\/YYYY" :

			vData = vDD + "\/" + vMonth + "\/" + vY4;

			break;

		case "DD\/MM\/YY" :

			vData = vDD + "\/" + vMonth + "\/" + vY2;

			break;

		case "DD-MM-YYYY" :

			vData = vDD + "-" + vMonth + "-" + vY4;

			break;

		case "DD-MM-YY" :

			vData = vDD + "-" + vMonth + "-" + vY2;

			break;

		default :

			vData = vMonth + "\/" + vDD + "\/" + vY4;

	}



	return vData;

}



function Build(p_item, p_month, p_year, p_format) {

	gCal = new Calendar(p_item, p_month, p_year, p_format);



	// Customize your Calendar here..

	gCal.gBGColor="white";

	gCal.gLinkColor="black";

	gCal.gTextColor="black";

	gCal.gHeaderColor="black";



	// initialize the content string

	ggWinContent = "";



	// Choose appropriate show function

	if (gCal.gYearly) {

		// and, since the yearly calendar is so large, override the positioning and fontsize

		// warning: in IE6, it appears that "select" fields on the form will still show

		//	through the "over" div; Note: you can set these variables as part of the onClick

		//	javascript code before you call the show_yearly_calendar function

		if (ggPosX == -1) ggPosX = 10;

		if (ggPosY == -1) ggPosY = 10;

		if (fontsize == 8) fontsize = 6;

		// generate the calendar

		gCal.showY();

		}

	else {

		gCal.show();

		}



	// if this is the first calendar popup, use autopositioning with an offset

	if (ggPosX == -1 && ggPosY == -1) {

		overlib(ggWinContent, AUTOSTATUSCAP, STICKY, CLOSECLICK, CSSSTYLE,

			TEXTSIZEUNIT, "pt", TEXTSIZE, 8, CAPTIONSIZEUNIT, "pt", CAPTIONSIZE, 8, CLOSESIZEUNIT, "pt", CLOSESIZE, 8,

			CAPTION, "Select a date", OFFSETX, 20, OFFSETY, -20);

		// save where the 'over' div ended up; we want to stay in the same place if the user

		//	clicks on one of the year or month navigation links

		if ( (ns4) || (ie4) ) {

		        ggPosX = parseInt(over.left);

		        ggPosY = parseInt(over.top);

			} else if (ns6) {

			ggPosX = parseInt(over.style.left);

			ggPosY = parseInt(over.style.top);

			}

		}

	else {

		// we have a saved X & Y position, so use those with the FIXX and FIXY options

		overlib(ggWinContent, AUTOSTATUSCAP, STICKY, CLOSECLICK, CSSSTYLE,

			TEXTSIZEUNIT, "pt", TEXTSIZE, 8, CAPTIONSIZEUNIT, "pt", CAPTIONSIZE, 8, CLOSESIZEUNIT, "pt", CLOSESIZE, 8,

			CAPTION, "Select a date", FIXX, ggPosX, FIXY, ggPosY);

		}

//	window.scroll(ggPosX, ggPosY);

}



function show_calendar() {

	/* 

		p_month : 0-11 for Jan-Dec; 12 for All Months.

		p_year	: 4-digit year

		p_format: Date format (mm/dd/yyyy, dd/mm/yy, ...)

		p_item	: Return Item.

	*/



	p_item = arguments[0];

	if (arguments[1] == null)

		p_month = new String(gNow.getMonth());

	else

		p_month = arguments[1];

	if (arguments[2] == "" || arguments[2] == null)

		p_year = new String(gNow.getFullYear().toString());

	else

		p_year = arguments[2];

	if (arguments[3] == null)

		p_format = "MM\/DD\/YYYY";

	else

		p_format = arguments[3];



	Build(p_item, p_month, p_year, p_format);

}

/*

Yearly Calendar Code Starts here

*/

function show_yearly_calendar() {

	// Load the defaults..

	//if (p_year == null || p_year == "")

	//	p_year = new String(gNow.getFullYear().toString());

	//if (p_format == null || p_format == "")

	//	p_format = "YYYY-MM-DD";



	p_item = arguments[0];

	if (arguments[1] == "" || arguments[1] == null)

		p_year = new String(gNow.getFullYear().toString());

	else

		p_year = arguments[1];

	if (arguments[2] == null)

		p_format = "YYYY-MM-DD";

	else

		p_format = arguments[2];



	Build(p_item, null, p_year, p_format);

}