var weekend = [0,6];
	var weekendColor = "#e0e0e0";
	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) {
		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) {
		var ret_arr = new Array();
		if (incr == -1) {
			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=1 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=1 CELLSPACING=0 CELLPADDING=0 BGCOLOR='#e0e0e0' 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 + "', '" + this.gMonth + "', '" + (parseInt(this.gYear)-1) + "', '" + this.gFormat + "'" +
			");" +
			"\">&lt;&lt;Year<\/A>]</TD><TD ALIGN=center>");
		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 + "'" +
			");" +
			"\">&lt;Mon<\/A>]</TD><TD ALIGN=center>");
		ggWinContent += "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD><TD ALIGN=center>";
		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&gt;<\/A>]</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 + "', '" + this.gMonth + "', '" + (parseInt(this.gYear)+1) + "', '" + this.gFormat + "'" +
			");" +
			"\">Year&gt;&gt;<\/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=1 CELLSPACING=0 CELLPADDING=0 BGCOLOR='#e0e0e0' 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 + "'" +
				");" +
				"\">&lt;&lt;Year<\/A>]</TD><TD ALIGN=center>");
			ggWinContent += "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</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&gt;&gt;<\/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) +
							"';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='gray'>&nbsp;</FONT></TD>";
				else
					vCode = vCode + "<TD WIDTH='14%'" + this.write_weekend_string(j+m) +
					"><FONT FACE='" + fontface + "' COLOR='gray'>" + m + "</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 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;
	
		switch (this.gFormat) {
			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="darkgreen";
	
		// 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);
	}