var newWindow;
var weekend = [0,6];
var weekendColor = "#e0e0e0";
var fontface = "Verdana";
var fontsize = 2;

var gNow = new Date();
var ggWinCal;
isNav = (navigator.appName.indexOf("Netscape") != -1) ? true : false;
isIE = (navigator.appName.indexOf("Microsoft") != -1) ? true : false;

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_WinCal, p_month, p_year, p_format) {
	if ((p_month == null) && (p_year == null))	return;

	if (p_WinCal == null)
		this.gWinCal = ggWinCal;
	else
		this.gWinCal = p_WinCal;
	
	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;
Calendar.print = Calendar_print;

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_print() {
	ggWinCal.print();
}

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 = vCode + "<TABLE BORDER=1 BGCOLOR=\"" + this.gBGColor + "\">";
	
	vHeader_Code = this.cal_header();
	vData_Code = this.cal_data();
	vCode = vCode + vHeader_Code + vData_Code;
	
	vCode = vCode + "</TABLE>";
	
	return vCode;
}

Calendar.prototype.show = function() {
	var vCode = "";
	
	this.gWinCal.document.open();

	// Setup the page...
	this.wwrite("<html>");
	this.wwrite("<head><title>Calendar</title>");
	this.wwrite("</head>");

	this.wwrite("<body bgcolor=EEEEEE " + 
		"link=\"" + this.gLinkColor + "\" " + 
		"vlink=\"" + this.gLinkColor + "\" " +
		"alink=\"" + this.gLinkColor + "\" " +
		"text=\"" + this.gTextColor + "\">");
	this.wwriteA("<FONT FACE='" + fontface + "' SIZE=2><B>");
	this.wwriteA(this.gMonthName + " " + this.gYear);
	this.wwriteA("</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];
	
	this.wwrite("<TABLE WIDTH='100%' BORDER=1 CELLSPACING=0 CELLPADDING=0 BGCOLOR='#e0e0e0'><TR><TD ALIGN=center>");
	this.wwrite("[<A HREF=\"" +
		"javascript:window.opener.Build(" + 
		"'" + this.gReturnItem + "', '" + this.gMonth + "', '" + (parseInt(this.gYear)-1) + "', '" + this.gFormat + "'" +
		");" +
		"\"><<<\/A>]</TD><TD ALIGN=center>");
	this.wwrite("[<A HREF=\"" +
		"javascript:window.opener.Build(" + 
		"'" + this.gReturnItem + "', '" + prevMM + "', '" + prevYYYY + "', '" + this.gFormat + "'" +
		");" +
		"\"><<\/A>]</TD><TD ALIGN=center>");
	this.wwrite("[<A HREF=\"javascript:window.print();\">Print</A>]</TD><TD ALIGN=center>");
	this.wwrite("[<A HREF=\"" +
		"javascript:window.opener.Build(" + 
		"'" + this.gReturnItem + "', '" + nextMM + "', '" + nextYYYY + "', '" + this.gFormat + "'" +
		");" +
		"\">><\/A>]</TD><TD ALIGN=center>");
	this.wwrite("[<A HREF=\"" +
		"javascript:window.opener.Build(" + 
		"'" + this.gReturnItem + "', '" + this.gMonth + "', '" + (parseInt(this.gYear)+1) + "', '" + this.gFormat + "'" +
		");" +
		"\">>><\/A>]</TD></TR></TABLE><BR>");

	// Get the complete calendar code for the month..
	vCode = this.getMonthlyCalendarCode();
	this.wwrite(vCode);

	this.wwrite("</font></body></html>");
	this.gWinCal.document.close();
}

Calendar.prototype.showY = function() {
	var vCode = "";
	var i;
	var vr, vc, vx, vy;		// Row, Column, X-coord, Y-coord
	var vxf = 285;			// X-Factor
	var vyf = 200;			// Y-Factor
	var vxm = 10;			// X-margin
	var vym;				// Y-margin
	if (isIE)	vym = 75;
	else if (isNav)	vym = 25;
	
	this.gWinCal.document.open();

	this.wwrite("<html>");
	this.wwrite("<head><title>Calendar</title>");
	this.wwrite("<style type='text/css'>\n<!--");
	for (i=0; i<12; i++) {
		vc = i % 3;
		if (i>=0 && i<= 2)	vr = 0;
		if (i>=3 && i<= 5)	vr = 1;
		if (i>=6 && i<= 8)	vr = 2;
		if (i>=9 && i<= 11)	vr = 3;
		
		vx = parseInt(vxf * vc) + vxm;
		vy = parseInt(vyf * vr) + vym;

		this.wwrite(".lclass" + i + " {position:absolute;top:" + vy + ";left:" + vx + ";}");
	}
	this.wwrite("-->\n</style>");
	this.wwrite("</head>");

	this.wwrite("<body " + 
		"link=\"" + this.gLinkColor + "\" " + 
		"vlink=\"" + this.gLinkColor + "\" " +
		"alink=\"" + this.gLinkColor + "\" " +
		"text=\"" + this.gTextColor + "\">");
	this.wwrite("<FONT FACE='" + fontface + "' SIZE=2><B>");
	this.wwrite("Year : " + this.gYear);
	this.wwrite("</B><BR>");

	// Show navigation buttons
	var prevYYYY = parseInt(this.gYear) - 1;
	var nextYYYY = parseInt(this.gYear) + 1;
	
	this.wwrite("<TABLE WIDTH='100%' BORDER=1 CELLSPACING=0 CELLPADDING=0 BGCOLOR='#ffffff'><TR><TD ALIGN=center>");
	this.wwrite("[<A HREF=\"" +
		"javascript:window.opener.Build(" + 
		"'" + this.gReturnItem + "', null, '" + prevYYYY + "', '" + this.gFormat + "'" +
		");" +
		"\" alt='Prev Year'><<<\/A>]</TD><TD ALIGN=center>");
	this.wwrite("[<A HREF=\"javascript:window.print();\">Print</A>]</TD><TD ALIGN=center>");
	this.wwrite("[<A HREF=\"" +
		"javascript:window.opener.Build(" + 
		"'" + this.gReturnItem + "', null, '" + nextYYYY + "', '" + this.gFormat + "'" +
		");" +
		"\">>><\/A>]</TD></TR></TABLE><BR>");

	// Get the complete calendar code for each month..
	var j;
	for (i=11; i>=0; i--) {
		if (isIE)
			this.wwrite("<DIV ID=\"layer" + i + "\" CLASS=\"lclass" + i + "\">");
		else if (isNav)
			this.wwrite("<LAYER ID=\"layer" + i + "\" CLASS=\"lclass" + i + "\">");

		this.gMonth = i;
		this.gMonthName = Calendar.get_month(this.gMonth);
		vCode = this.getMonthlyCalendarCode();
		this.wwrite(this.gMonthName + "/" + this.gYear + "<BR>");
		this.wwrite(vCode);

		if (isIE)
			this.wwrite("</DIV>");
		else if (isNav)
			this.wwrite("</LAYER>");
	}

	this.wwrite("</font><BR></body></html>");
	this.gWinCal.document.close();
}

Calendar.prototype.wwrite = function(wtext) {
	this.gWinCal.document.writeln(wtext);
}

Calendar.prototype.wwriteA = function(wtext) {
	this.gWinCal.document.write(wtext);
}

Calendar.prototype.cal_header = function() {
	var vCode = "";
	
	vCode = vCode + "<TR>";
	vCode = vCode + "<TD WIDTH='14%'><FONT SIZE='2' FACE='" + fontface + "' COLOR='" + this.gHeaderColor + "'><B>Sun</B></FONT></TD>";
	vCode = vCode + "<TD WIDTH='14%'><FONT SIZE='2' FACE='" + fontface + "' COLOR='" + this.gHeaderColor + "'><B>Mon</B></FONT></TD>";
	vCode = vCode + "<TD WIDTH='14%'><FONT SIZE='2' FACE='" + fontface + "' COLOR='" + this.gHeaderColor + "'><B>Tue</B></FONT></TD>";
	vCode = vCode + "<TD WIDTH='14%'><FONT SIZE='2' FACE='" + fontface + "' COLOR='" + this.gHeaderColor + "'><B>Wed</B></FONT></TD>";
	vCode = vCode + "<TD WIDTH='14%'><FONT SIZE='2' FACE='" + fontface + "' COLOR='" + this.gHeaderColor + "'><B>Thu</B></FONT></TD>";
	vCode = vCode + "<TD WIDTH='14%'><FONT SIZE='2' FACE='" + fontface + "' COLOR='" + this.gHeaderColor + "'><B>Fri</B></FONT></TD>";
	vCode = vCode + "<TD WIDTH='16%'><FONT SIZE='2' 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 SIZE='2' 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 SIZE='2' FACE='" + fontface + "'>" + 
			"<A HREF='#' " + 
				"onClick=\"self.opener.document." + this.gReturnItem + ".value='" + 
				this.format_data(vDay) + 
				"';window.close();\">" + 
				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 SIZE='2' FACE='" + fontface + "'>" + 
				"<A HREF='#' " + 
					"onClick=\"self.opener.document." + this.gReturnItem + ".value='" + 
					this.format_data(vDay) + 
					"';window.close();\">" + 
				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 SIZE='2' FACE='" + fontface + "' COLOR='gray'>&nbsp;</FONT></TD>";
		else
			vCode = vCode + "<TD WIDTH='14%'" + this.write_weekend_string(j+m) + 
			"><FONT SIZE='2' 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 "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) {
	var p_WinCal = ggWinCal;
	gCal = new Calendar(p_item, p_WinCal, p_month, p_year, p_format);

	// Customize your Calendar here..
	gCal.gBGColor="white";
	gCal.gLinkColor="black";
	gCal.gTextColor="black";
	gCal.gHeaderColor="darkgreen";

	// Choose appropriate show function
	if (gCal.gYearly)	gCal.showY();
	else	gCal.show();
}

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];

	vWinCal = window.open("", "Calendar", 
		"width=250,height=250,status=no,resizable=no,top=200,left=200");
	vWinCal.opener = self;
	ggWinCal = vWinCal;

	Build(p_item, p_month, p_year, p_format);
}
/*
Yearly Calendar Code Starts here
*/
function show_yearly_calendar(p_item, p_year, p_format) {
	// Load the defaults..
	if (p_year == null || p_year == "")
		p_year = new String(gNow.getFullYear().toString());
	if (p_format == null || p_format == "")
		p_format = "MM/DD/YYYY";

	var vWinCal = window.open("", "Calendar", "scrollbars=yes");
	vWinCal.opener = self;
	ggWinCal = vWinCal;

	Build(p_item, null, p_year, p_format);
}

function isEmailAddr(email)
{
  var result = false;
  var theStr = new String(email);
  var index = theStr.indexOf("@");
  if (index > 0)
  {
    var pindex = theStr.indexOf(".",index);
    if ((pindex > index+1) && (theStr.length > pindex+1))
	result = true;
  }
  return result;
}

function validRequiredSelect(formField,fieldLabel)
{
	var result = true;
	   
	   
	if (formField.options[formField.selectedIndex].value == "none")
	{
		alert('Please select a value for the "' + fieldLabel +'" field.');
		formField.focus();
		result = false;
	}
	
	return result;
}

function validRequired(formField,fieldLabel)
{
	var result = true;
	
	if (formField.value == "") 
	{
		alert('Please enter a value for the "' + fieldLabel +'" field.');
		formField.focus();
		result = false;
	}
	
	return result;
}

function allDigits(str)
{
	return inValidCharSet(str,"0123456789");
}

function inValidCharSet(str,charset)
{
	var result = true;

	// Note: doesn't use regular expressions to avoid early Mac browser bugs	
	for (var i=0;i<str.length;i++)
		if (charset.indexOf(str.substr(i,1))<0)
		{
			result = false;
			break;
		}
	
	return result;
}

function validEmail(formField,fieldLabel,required)
{
	var result = true;
	
	if (required && !validRequired(formField,fieldLabel))
		result = false;

	if (result && ((formField.value.length < 3) || !isEmailAddr(formField.value)) )
	{
		alert("Please enter a complete email address in the form: yourname@yourdomain.com");
		formField.focus();
		result = false;
	}
   
  return result;

}

function validNum(formField,fieldLabel,required)
{
	var result = true;

	if (required && !validRequired(formField,fieldLabel))
		result = false;
  
 	if (result)
 	{
 		if (!allDigits(formField.value))
 		{
 			alert('Please enter a number for the "' + fieldLabel +'" field.');
			formField.focus();		
			result = false;
		}
	} 
	
	return result;
}


function validInt(formField,fieldLabel,required)
{
	var result = true;

	if (required && !validRequired(formField,fieldLabel))
		result = false;
  
 	if (result)
 	{
 		var num = parseInt(formField.value);
 		if (isNaN(num))
 		{
 			alert('Please enter a number for the "' + fieldLabel +'" field.');
			formField.focus();		
			result = false;
		}
	} 
	
	return result;
}


function validDate(formField,fieldLabel,required)
{
	var result = true;

	if (required && !validRequired(formField,fieldLabel))
		result = false;
  
 	if (result)
 	{
 		var elems = formField.value.split("/");
 		
 		result = (elems.length == 3); // should be three components
 		
 		if (result)
 		{
		if (elems[0] =='08'){
		    elems[0] = '8'
				}
		if (elems[0] =='09'){
		    elems[0] = '9'
				}	
			var month = parseInt(elems[0]);
  			var day = parseInt(elems[1]);
 			var year = parseInt(elems[2]);
			result = allDigits(elems[0]) && (month >= 01) && (month < 13) && 
					 //allDigits(elems[1]) && (day >= 01) && (day < 32) &&
					 allDigits(elems[2]) && (elems[2].length == 4);
					 
					 
 		}
 		
  		if (!result)
 		{
 			alert('Please enter a date in the format MM/DD/YYYY for the "' + fieldLabel +'" field.');
			formField.focus();		
		}
	} 
	
	return result;
}
function checkinteger(object_value)
    {
    //Returns true if value is a number or is NULL
    //otherwise returns false   

    if (object_value.length == 0)
        return true;

    //Returns true if value is an integer defined as
    //   having an optional leading + or -.
    //   otherwise containing only the characters 0-9.
        var decimal_format = ".";
        var check_char;

    //The first character can be + -  blank or a digit.
        check_char = object_value.indexOf(decimal_format)
    //Was it a decimal?
    if (check_char < 1)
        return checknumber(object_value);
    else
        return false;
    }
	
function checknumber(object_value)
    {
    //Returns true if value is a number or is NULL
    //otherwise returns false   

    if (object_value.length == 0)
        return true;

    //Returns true if value is a number defined as
    //   having an optional leading + or -.
    //   having at most 1 decimal point.
    //   otherwise containing only the characters 0-9.
        var start_format = " .+-0123456789";
        var number_format = " .0123456789";
        var check_char;
        var decimal = false;
        var trailing_blank = false;
        var digits = false;

    //The first character can be + - .  blank or a digit.
        check_char = start_format.indexOf(object_value.charAt(0))
    //Was it a decimal?
        if (check_char == 1)
            decimal = true;
        else if (check_char < 1)
                return false;
        
        //Remaining characters can be only . or a digit, but only one decimal.
        for (var i = 1; i < object_value.length; i++)
        {
                check_char = number_format.indexOf(object_value.charAt(i))
                if (check_char < 0)
                        return false;
                else if (check_char == 1)
                {
                        if (decimal)            // Second decimal.
                                return false;
                        else
                                decimal = true;
                }
                else if (check_char == 0)
                {
                        if (decimal || digits)  
                                trailing_blank = true;
        // ignore leading blanks

                }
                else if (trailing_blank)
                        return false;
                else
                        digits = true;
        }       
    //All tests passed, so...
    return true
    }


function isEmpty(inputStr) {
	if (inputStr == null || inputStr == "") {
		return true
		}
		return false	
}
	
function B() {
var text = prompt("Enter text to bold","");
document.forms[0].Text.value += ('<b>' + text + '</b>');
}


function I() {
var text = prompt("Enter text to italic","");
document.forms[0].Text.value += ('<i>' + text + '</i>');
}



<!--
function P() {
alert("To create a paragraph break, just enter a double carriage return.");
document.forms[0].Text.value += ('\n\n');
}
//-->

<!--
function BR() {
document.forms[0].Text.value += ('<br>\n');
}
//-->

<!--
function HR() {
document.forms[0].Text.value += ('<hr>\n');
}
//-->

<!--
function OL() {
document.forms[0].Text.value += ('<ol></ol>');
}
//-->

<!--
function UL() {
document.forms[0].Text.value += ('<ul></ul>');
}
//-->

<!--
function LI() {
document.forms[0].Text.value += ('<li>');
}
//-->

<!--
function A() {
var text = prompt("Enter text to display for this link","");
var link = prompt("Enter page to link to","");
document.forms[0].Text.value += ('<a href="' + link + '">' + text + '</a>');
}
//-->

<!--
function IM() {
var text = prompt("Enter the filename for the image","");
document.forms[0].Text.value += ('<img src="/' + text + '">');
}
//-->

<!--
function preview() { 
alert('Please be aware that paragraph breaks and images may not always show up correctly in the preview!');
var textpreview = document.forms[0].Text.value;
var creturn = "\r";
textpreview = textpreview.replace(creturn, '<p>');
var previewwin = window.open('','previewwin','width=500,height=400,toolbar=0,location=0,directories=0,status=0,menuBar=0,scrollBars=1,resizable=1');
previewwin.document.open();
previewwin.document.write(textpreview);
previewwin.document.close();
}
//-->

<!--
function validateanswfrm(theForm){
    if (theForm.answer_text1.value == "" && theForm.answer_text2.value == "" && theForm.answer_text3.value == "" &&	theForm.answer_text4.value == "" &&	theForm.answer_text5.value == "" &&	theForm.answer_text6.value == "" &&	theForm.answer_text7.value == "" &&	theForm.answer_text8.value == "" &&	theForm.answer_text9.value == "" &&	theForm.answer_text10.value == "" && theForm.answer_text11.value == "" && theForm.answer_text12.value == "" && theForm.answer_text13.value == "" &&	theForm.answer_text14.value == "" && theForm.answer_text15.value == "" && theForm.answer_text16.value == "" && theForm.answer_text17.value == "" &&	theForm.answer_text18.value == "" && theForm.answer_text19.value == "" && theForm.answer_text20.value == "" ){
	 alert("You must enter at least one answer.");
	 theForm.answer_text1.focus();
     return false;
	 }
	 else{
     if (theForm.answer_text1.value != "") {
 	   if (!validRequired(theForm.answer1,"Answer Value 1",true))
	   return false;
	 }
     if (theForm.answer_text2.value != "") {
 	   if (!validRequired(theForm.answer2,"Answer Value 2",true))
	   return false;
	 }
    if (theForm.answer_text3.value != "") {
 	   if (!validRequired(theForm.answer3,"Answer Value 3",true))
	   return false;
	 }
    if (theForm.answer_text4.value != "") {
 	   if (!validRequired(theForm.answer4,"Answer Value 4",true))
	   return false;
	 }
    if (theForm.answer_text5.value != "") {
 	   if (!validRequired(theForm.answer5,"Answer Value 5",true))
	   return false;
	 }
    if (theForm.answer_text6.value != "") {
 	   if (!validRequired(theForm.answer6,"Answer Value 6",true))
	   return false;
	 }
    if (theForm.answer_text7.value != "") {
 	   if (!validRequired(theForm.answer7,"Answer Value 7",true))
	   return false;
	 }
    if (theForm.answer_text8.value != "") {
 	   if (!validRequired(theForm.answer8,"Answer Value 8",true))
	   return false;
	 }
    if (theForm.answer_text9.value != "") {
 	   if (!validRequired(theForm.answer9,"Answer Value 9",true))
	   return false;
	 }
    if (theForm.answer_text10.value != "") {
 	   if (!validRequired(theForm.answer10,"Answer Value 10",true))
	   return false;
	 } 	 
   	}
   return true;
    }

 function openWin( windowURL, windowName, windowFeatures ) { 
	win = window.open( windowURL, windowName, windowFeatures ) ; 
	win.focus();
	}
	
 function storeWin(){ 
    var swin
    var windowURL ="http://store.aetv.com/html/referer_entry.jhtml?vid=BIO_Exhibit_BioClub&dest=/html/subject/index.jhtml?id=1105";
	var windowName = "Store";
 	var windowFeatures = "width=640,height=480,toolbar=1,location=1,directories=1,status=1,menuBar=1,scrollBars=1,resizable=1";
    swin = window.open( windowURL, windowName, windowFeatures ) ; 
	swin.focus();
	}

 function forumWin(){ 
    var forumwin
    var windowURL ="http://boards.biography.com/forum.jsp?forum=30005";
	var windowName = "Store";
 	var windowFeatures = "width=640,height=480,toolbar=1,location=1,directories=1,status=1,menuBar=1,scrollBars=1,resizable=1";
    forumwin = window.open( windowURL, windowName, windowFeatures ) ; 
	forumwin.focus();
	}	
	
 function pdfWin(){ 
    var pdfwin
    var windowURL ="celebrity_lookalike_mail-in_release_aeclub.pdf";
	var windowName = "pdf";
 	var windowFeatures = "width=800,height=600,toolbar=1,location=1,directories=1,status=1,menuBar=1,scrollBars=1,resizable=1";
    forumwin = window.open( windowURL, windowName, windowFeatures ) ; 
	forumwin.focus();
	}		
	
	
	function videoWin(){ 
    var videowin
    var windowURL ="http://www.biography.com/broadband/bioclub/index.jsp";
	var windowName = "video";
 	var windowFeatures = "width=710,height=460,toolbar=0,location=0,directories=0,status=0,menuBar=0,scrollBars=0,resizable=0";
    videowin = window.open( windowURL, windowName, windowFeatures ) ; 
	videowin.focus();
	}		
	
	function openPoster(){ 
    var openPoster
    var windowURL ="http://club.aetv.com/family_jewels_ad_campaign.html";
	var windowName = "video";
 	var windowFeatures = "width=464,height=600,toolbar=0,location=0,directories=0,status=0,menuBar=0,scrollBars=0,resizable=0";
    openPoster = window.open( windowURL, windowName, windowFeatures ) ; 
	openPoster.focus();
	}		
	
	function PrintWindow(val){
    var PreviewWindow
    var windowURL =val;
	var windowName = "Preview";
 	var windowFeatures = "width=550,height=650,toolbar=0,location=0,directories=0,status=0,menuBar=0,scrollBars=1,resizable=0";
    PreviewWindow = window.open( windowURL, windowName, windowFeatures ) ; 
	PreviewWindow.focus();
	}
	function EmailWindow(val){
    var PreviewWindow
    var windowURL =val;
	var windowName = "Preview";
 	var windowFeatures = "width=500,height=450,toolbar=0,location=0,directories=0,status=0,menuBar=0,scrollBars=1,resizable=0";
    PreviewWindow = window.open( windowURL, windowName, windowFeatures ) ; 
	PreviewWindow.focus();
	}
	
	function tooltipwindow(val){
    var PreviewWindow
    var windowURL =val;
	var windowName = "Preview";
 	var windowFeatures = "width=400,height=300,toolbar=0,top=300,left=400,location=0,directories=0,status=0,menuBar=0,scrollBars=1,resizable=0";
    PreviewWindow = window.open("definition.cfm?termID="+val, windowName, windowFeatures ) ; 
	PreviewWindow.focus();
    }

	
	function hideIt(xName) {
	var hideMe = xName;
	
	if (document.layers) {
	// Netscape 4
		document.layers[hideMe].visibility = "hide";
       	}
    else if (!document.all && document.getElementById) {
    // W3C netscape 6+ explorer 5+
    	document.getElementById(hideMe).style.visibility = "hidden";
    }
	else {
	// Explorer 4
		document.all[hideMe].style.visibility = "hidden";
		}
	}
function showIt(xName) {
	var showMe = xName;
	
	if (document.layers) {
	// Netscape 4
		document.layers[showMe].visibility = "show";
       }
    else if (!document.all && document.getElementById) {
    // W3C netscape 6+ explorer 5+
    	document.getElementById(showMe).style.visibility = "visible";
    }
	else {
	// Explorer 4
		document.all[showMe].style.visibility = "visible";
		}
	}

function hideShow(xName,yName) {
	hideIt(xName);
	showIt(yName);
	}

function popUp(url, winName, width, height,scr,res)
{
    var features;
  
    (scr) ? scr=1:scr=0;
    (res) ? res=1:res=0; 

    features = 'toolbar=no,location=no,status=no,menubar=no,scrollbars=' + scr + ',resizable=' + res + ',width=' + width + ',height=' + height;
    window.open(url, winName, features);
}

 function jump(form){
	   if (form.value!="")
	    window.location.href=form.value;
		}	
		
function topjumpfunc(){
 selInd = document.topjump.selectmenu.selectedIndex; 
 goURL = document.topjump.selectmenu.options[selInd].value;
 if (goURL!="")
    window.location.href=goURL;
		}	
	
	function botjumpfunc(){
	  selInd = document.botjump.selectmenu.selectedIndex; 
      goURL = document.botjump.selectmenu.options[selInd].value;
     if (goURL!="")
        window.location.href=goURL;
	   }	
		
//-->  

function valButton(btn) {
 var cnt = -1;
 for (var i=btn.length-1; i > -1; i--) {
    if (btn[i].checked) {cnt = i; i = -1;}
     }
   if (cnt > -1) return btn[cnt].value; 
    else return null;
   }
   
   
 //Hide Show An Element
		function hidediv(id) {
			//safe function to hide an element with a specified id
			if (document.getElementById) { // DOM3 = IE5, NS6
				document.getElementById(id).style.display = 'none';
			}
			else {
				if (document.layers) { // Netscape 4
					document.id.display = 'none';
				}
				else { // IE 4
					document.all.id.style.display = 'none';
				}
			}
		}
	
		function showdiv(id) {
			//safe function to show an element with a specified id
			if (document.getElementById) { // DOM3 = IE5, NS6
				document.getElementById(id).style.display = 'block';
			}
			else {
				if (document.layers) { // Netscape 4
					document.id.display = 'block';
				}
				else { // IE 4
					document.all.id.style.display = 'block';
				}
			}
		}