function CalendarPopup() {
	var newCalendar;
	if (arguments.length>0) {
		newCalendar = new PopupWindow(arguments[0]);
		}
	else {
		newCalendar = new PopupWindow();
		newCalendar.setSize(150,175);
		}
	newCalendar.offsetX = -152;
	newCalendar.offsetY = 25;
	newCalendar.autoHide();
	newCalendar.monthNames = new Array("January","February","March","April","May","June","July","August","September","October","November","December");
	newCalendar.dayHeaders = new Array("S","M","T","W","T","F","S");
	newCalendar.returnFunction = "tmpReturnFunction";
	newCalendar.weekStartDay = 0;
	newCalendar.setReturnFunction = CalendarPopup_setReturnFunction;
	newCalendar.setMonthNames = CalendarPopup_setMonthNames;
	newCalendar.setDayHeaders = CalendarPopup_setDayHeaders;
	newCalendar.setWeekStartDay = CalendarPopup_setWeekStartDay;
	newCalendar.showCalendar = CalendarPopup_showCalendar;
	newCalendar.hideCalendar = CalendarPopup_hideCalendar;
	newCalendar.getStyles = CalendarPopup_getStyles;
	newCalendar.refreshCalendar = CalendarPopup_refreshCalendar;
	newCalendar.getCalendar = CalendarPopup_getCalendar;
	return newCalendar;
	}
function CalendarPopup_tmpReturnFunction(y,m,d) {
	alert('Use setReturnFunction() to define which function will get the clicked results!');
	}
function CalendarPopup_setReturnFunction(name) {
	this.returnFunction = name;
	}
function CalendarPopup_setMonthNames() {
	for (var i=0; i<arguments.length; i++) {
		this.monthNames[i] = arguments[i];
		}
	}
function CalendarPopup_setDayHeaders() {
	for (var i=0; i<arguments.length; i++) {
		this.dayHeaders[i] = arguments[i];
		}
	}
function CalendarPopup_setWeekStartDay(day) {
	this.weekStartDay = day;
	}
function CalendarPopup_hideCalendar() {
	if (arguments.length > 0) {
		window.popupWindowObjects[arguments[0]].hidePopup();
		}
	else {
		this.hidePopup();
		}
	}

function CalendarPopup_refreshCalendar(index) {
	var calObject = window.popupWindowObjects[index];
	if (arguments.length>1) { 
		calObject.populate(calObject.getCalendar(arguments[1],arguments[2]));
		}
	else {
		calObject.populate(calObject.getCalendar());
		}
	calObject.refresh();
	}
function CalendarPopup_showCalendar(anchorname) {
	this.populate(this.getCalendar());
	this.showPopup(anchorname);
	}
function CalendarPopup_getStyles() {
	var result = "";
	result += "<STYLE>\n";
	result += "TD.cal { font-family:arial; font-size: 8pt; }\n";
	result += "TD.calmonth { font-family:arial; font-size: 8pt; text-align: right;}\n";
	result += "TD.caltoday { font-family:arial; font-size: 8pt; text-align: right; color: red; border-width:1; border-type:solid; border-color:#800000; }\n";
	result += "A.cancel { font-family:arial; font-size: 8pt; height: 20px; color: gray; }\n";
	result += "A.cal { text-decoration:none; color:#000000; }\n";
	result += "A.calthismonth { text-decoration:none; color:#000000; font-weight: bold;}\n";
	result += "A.calothermonth { text-decoration:none; color:#808080; }\n";
	result += "</STYLE>\n";
	return result;
	}
function CalendarPopup_getCalendar() {
	var now = new Date();
	if (arguments.length > 0) { var month = arguments[0]; }
		else { var month = now.getMonth()+1; }
	if (arguments.length > 1) { var year = arguments[1]; }
		else { var year = now.getFullYear(); }
	var daysinmonth= new Array(0,31,28,31,30,31,30,31,31,30,31,30,31);
	if ( ( (year%4 == 0)&&(year%100 != 0) ) || (year%400 == 0) ) { // leap year
		daysinmonth[2] = 29;
		}
	var current_month = new Date(year,month-1,1);
	var display_year = year;
	var display_month = month;
	var display_date = 1;
	var weekday= current_month.getDay();
	var offset = 0;
	if (weekday >= this.weekStartDay) {
		offset = weekday - this.weekStartDay;
		}
	else {
		offset = 7-this.weekStartDay+weekday;
		}
	if (offset > 0) {
		display_month--;
		if (display_month < 1) { display_month = 12; display_year--; }
		display_date = daysinmonth[display_month]-offset+1;
		}
	var next_month = month+1;
	var next_month_year = year;
	if (next_month > 12) { next_month=1; next_month_year++; }
	var last_month = month-1;
	var last_month_year = year;
	if (last_month < 1) { last_month=12; last_month_year--; }
	var date_class;
	var result = "";
	if (this.type == "WINDOW") {
		var windowref = "window.opener.";
		}
	else {
		var windowref = "";
		}
	// If POPUP, write entire HTML document
	if (this.type == "WINDOW") {
		result += "<HTML><HEAD><TITLE>Calendar</TITLE>"+this.getStyles()+"</HEAD><BODY MARGINWIDTH=0 MARGINHEIGHT=0 TOPMARGIN=0 RIGHTMARGIN=0 LEFTMARGIN=0>\n";
		result += '<CENTER><TABLE WIDTH=144px BORDER=0 BORDERWIDTH=0 CELLSPACING=0 CELLPADDING=0 id="nostyle">\n';
		result += '<TR BGCOLOR="#99CCFF">\n';
		result += ' <TD BGCOLOR="#99CCFF" COLSPAN="3" VALIGN="MIDDLE"><A HREF="#" onClick="cal.hidePopup();return false;"><img src="http://www.thayerinteractive.com/images/calclose.gif" width="7" height="7" alt="" border="0"></a></TD>\n';
		result += '</TR>\n';
		}
	else {
		result += '<TABLE WIDTH=144px BORDER=1 BORDERWIDTH=1 BORDERCOLOR="#000000" CELLSPACING=0 CELLPADDING=2 BGCOLOR="#FFFFFF" id="nostyle">\n';
		// result += '<TR BGCOLOR="#99CCFF">\n';
		// result += ' <TD BGCOLOR="#99CCFF" COLSPAN="3" VALIGN="MIDDLE"><A HREF="#" onClick="cal.hidePopup();return false;"><img src="http://www.thayerinteractive.com/images/calclose.gif" alt="" border="0"></A></TD>\n';
		// result += '</TR>\n';
		result += '<TR><TD ALIGN=CENTER>\n';
		result += '<CENTER>\n';
		result += '<TABLE WIDTH=144 BORDER=0 BORDERWIDTH=0 CELLSPACING=0 CELLPADDING=0 BGCOLOR="#FFFFFF" id="nostyle">\n';
		}
	result += '<TR BGCOLOR="#FFFFFF" HEIGHT="15">\n';
	result += '	<TD BGCOLOR="#FFFFFF" CLASS="cal" WIDTH=22 ALIGN=CENTER VALIGN=MIDDLE><B><A CLASS="cal" HREF="javascript:'+windowref+'CalendarPopup_refreshCalendar('+this.index+','+last_month+','+last_month_year+');"><img src="http://www.thayerinteractive.com/images/prevmonth.gif" width="13" height="11" alt="" border="0"></A></B></TD>\n';
	result += '	<TD BGCOLOR="#FFFFFF" CLASS="cal" WIDTH=100 ALIGN=CENTER>'+this.monthNames[month-1]+' '+year+'</TD>\n';
	result += '	<TD BGCOLOR="#FFFFFF" CLASS="cal" WIDTH=22 ALIGN=CENTER VALIGN=MIDDLE><B><A CLASS="cal" HREF="javascript:'+windowref+'CalendarPopup_refreshCalendar('+this.index+','+next_month+','+next_month_year+');"><img src="http://www.thayerinteractive.com/images/nextmonth.gif" width="13" height="11" alt="" border="0"></A></B></TD>\n';
	result += '</TR></TABLE>\n';
	result += '<TABLE WIDTH=120 BORDER=0 CELLSPACING=1 CELLPADDING=0 ALIGN=CENTER id="nostyles">\n';
	result += '<TR BGCOLOR="#FFFFFF">\n';
	result += '	<TD CLASS="cal" ALIGN=CENTER WIDTH=14% BGCOLOR="#FFFFFF">'+this.dayHeaders[(this.weekStartDay)%7]+'</TD>\n';
	result += '	<TD CLASS="cal" ALIGN=CENTER WIDTH=14% BGCOLOR="#FFFFFF">'+this.dayHeaders[(this.weekStartDay+1)%7]+'</TD>\n';
	result += '	<TD CLASS="cal" ALIGN=CENTER WIDTH=14% BGCOLOR="#FFFFFF">'+this.dayHeaders[(this.weekStartDay+2)%7]+'</TD>\n';
	result += '	<TD CLASS="cal" ALIGN=CENTER WIDTH=14% BGCOLOR="#FFFFFF">'+this.dayHeaders[(this.weekStartDay+3)%7]+'</TD>\n';
	result += '	<TD CLASS="cal" ALIGN=CENTER WIDTH=14% BGCOLOR="#FFFFFF">'+this.dayHeaders[(this.weekStartDay+4)%7]+'</TD>\n';
	result += '	<TD CLASS="cal" ALIGN=CENTER WIDTH=14% BGCOLOR="#FFFFFF">'+this.dayHeaders[(this.weekStartDay+5)%7]+'</TD>\n';
	result += '	<TD CLASS="cal" ALIGN=CENTER WIDTH=14% BGCOLOR="#FFFFFF">'+this.dayHeaders[(this.weekStartDay+6)%7]+'</TD>\n';
	result += '</TR>\n';
	result += '<TR><TD COLSPAN=7 ALIGN=CENTER><IMG SRC="images/graypixel.gif" WIDTH=120 HEIGHT=1></TD></TR>\n';
	for (var row=1; row<=6; row++) {
		result += '<TR>\n';
		for (var col=1; col<=7; col++) {
			if (display_month == month) {
				date_class = "calthismonth";
				}
			else {
				date_class = "calothermonth";
				}
			if ((display_month == now.getMonth()+1) && (display_date==now.getDate()) && (display_year==now.getFullYear())) {
				td_class="caltoday";
				}
			else {
				td_class="calmonth";
				}
			result += '	<TD CLASS="'+td_class+'" ALIGN="CENTER"><A HREF="javascript:'+windowref+this.returnFunction+'('+display_year+','+display_month+','+display_date+');'+windowref+'CalendarPopup_hideCalendar(\''+this.index+'\');" CLASS="'+date_class+'">'+display_date+'</A></TD>\n';
			display_date++;
			if (display_date > daysinmonth[display_month]) {
				display_date=1;
				display_month++;
				}
			if (display_month > 12) {
				display_month=1;
				display_year++;
				}
			}
		result += '</TR>';
		}
	result += '<TR><TD COLSPAN=7 ALIGN=CENTER><IMG SRC="images/graypixel.gif" WIDTH=120 HEIGHT=1></TD></TR>\n';
	result += '<TABLE WIDTH=144 BORDER=0 BORDERWIDTH=0 CELLSPACING=0 CELLPADDING=0 BGCOLOR="#FFFFFF" id="nostyle">\n';
	result += '<TR BGCOLOR="#FFFFFF" HEIGHT="15">\n';
	result += '	<TD BGCOLOR="#FFFFFF" CLASS="cal" WIDTH=22 ALIGN=CENTER VALIGN=MIDDLE><B><A CLASS="cal" HREF="javascript:'+windowref+'CalendarPopup_refreshCalendar('+this.index+','+last_month+','+last_month_year+');"><img src="http://www.thayerinteractive.com/images/prevmonth.gif" width="13" height="11" alt="" border="0"></A></B></TD>\n';
	result += '	<TD BGCOLOR="#FFFFFF" CLASS="cal" WIDTH=100 ALIGN=CENTER></TD>\n';
	result += '	<TD BGCOLOR="#FFFFFF" CLASS="cal" WIDTH=22 ALIGN=CENTER VALIGN=MIDDLE><B><A CLASS="cal" HREF="javascript:'+windowref+'CalendarPopup_refreshCalendar('+this.index+','+next_month+','+next_month_year+');"><img src="http://www.thayerinteractive.com/images/nextmonth.gif" width="13" height="11" alt="" border="0"></A></B></TD>\n';
	result += '</TR></TABLE>\n';
	// result += '<TABLE WIDTH=120 BORDER=0 CELLSPACING=1 CELLPADDING=0 ALIGN=CENTER>\n';
	// result += '<TR>\n';
	// result += '	<TD COLSPAN=7 ALIGN=CENTER>\n';
	// result += '		<A HREF="#" class="cancel" onClick="cal.hidePopup();return false;">Cancel</A>\n';
	// result += '		<BR>\n';
	// result += '	</TD></TR></TABLE>';
	result += '	</CENTER></TD></TR></TABLE>\n';
	if (this.type == "WINDOW") {
		result += "</BODY></HTML>\n";
		}
	return result;
	}