var popCalDstFld;
var temp;
var popCalWin;
var fieldname;
/* ******************************
 Expected params:
 [0] Window Name
 [1] Destination Field
 [2] Short Date Format
 [3] Month Names
 [4] Day Names
 [5] Localized Today string
 [6] Localized Close string
 [7] Window Title
 [8] First Day of Week
 ****************************** */
function popupCal()
{  
	/*debugger;			remove comment to activate debugging in Visual Studio */
	var tmpDate         = new Date();
	var tmpString       = "";
	var tmpNum          = 0;
	var popCalDateVal;
	var dstWindowName   = "";

	/*Initialize the window to an empty object.*/
	popCalWin = new Object();	
	/*Check for the right number of arguments*/
	if (arguments.length < 2)
	{
		alert("popupCal(): Wrong number of arguments.");
		return void(0);
	}
	/*Get the command line arguments -- Localization is optional*/
	dstWindowName = popupCal.arguments[0];
	popCalDstFld = popupCal.arguments[1]; 
	temp = popupCal.arguments[1];
	popCalDstFmt = popupCal.arguments[2]; /*Localized Short Date Format String*/
	popCalMonths = popupCal.arguments[3]; /*Localized Month Names String*/
	popCalDays = popupCal.arguments[4];   /*Localized Day Names String*/
	popCalToday = popupCal.arguments[5];  /*Localized Today string*/
	popCalClose = popupCal.arguments[6];  /*Localized Close string*/
	popCalTitle = popupCal.arguments[7];  /*Window Title*/
	popCalFirstDayWeek = popupCal.arguments[8];  /*First Day of Week*/	
	fieldname = popCalDstFld.toString();
	/*check destination field name*/
	if (popCalDstFld != "")
	  popCalDstFld = document.getElementById(popCalDstFld);
	/*default localized short date format if not provided*/
	if (popCalDstFmt == "")
	  popCalDstFmt = "m/d/yyyy";
	/*default localized months string if not provided*/
	if (popCalMonths == "")
	  popCalMonths = "January,February,March,April,May,June,July,August,September,October,November,December"; 
	/*default localized months string if not provided*/
	if (popCalDays == "")
	  popCalDays = "Sun,Mon,Tue,Wed,Thu,Fri,Sat";	
	/*default localized today string if not provided*/
	if (popCalToday == "" || typeof popCalToday == "undefined")
	  popCalToday = "Today";
	/*default localized close string if not provided*/
	if (popCalClose == "" || typeof popCalClose == "undefined")
	  popCalClose = "Close";
	/*default window title if not provided*/
	if (popCalTitle == "" || typeof popCalTitle == "undefined")
	  popCalTitle = "Calendar"; 
	tmpString = new String(popCalDstFld.value);  
	/*If tmpString is empty (meaning that the field is empty) use todays date as the starting point*/
	if(tmpString == "")
		popCalDateVal = new Date()
	else
	{
		/*Make sure the century is included, if it isn't, add this century to the value that was in the field*/
		tmpNum = tmpString.lastIndexOf( "/" );
		if ( (tmpString.length - tmpNum) == 3 )
		{
			tmpString = tmpString.substring(0,tmpNum + 1)+"20"+tmpString.substr(tmpNum+1);
			popCalDateVal = new Date(tmpString);
		}
		else
		{
			/*localized date support:If we got to this point, it means the field that was passed  in has no slashes in it. Use an extra function to build the date according to supplied date formatstring.*/
			popCalDateVal = getDateFromFormat(tmpString,popCalDstFmt);
		}
	}
	
	/*Make sure the date is a valid date.  Set it to today if it is invalid - "NaN" is the return value for an invalid date*/
	if( popCalDateVal.toString() == "NaN" || popCalDateVal.toString() == "0")
	{
		popCalDateVal = new Date();
		popCalDstFld.value = "";
	}			
	/*Set the base date to midnight of the first day of the specified month, this makes things easier?*/
 	var dateString = String(popCalDateVal.getMonth()+1) + "/" + String(popCalDateVal.getDate()) + "/" + String(popCalDateVal.getFullYear());
	/*Call the routine to draw the initial calendar*/
	reloadCalPopup(dateString, dstWindowName, fieldname);	
	return void(0);
}
 
function closeCalPopup()
{
	/*Can't tell the child window to close itself, the parent window has to tell it to close.*/
	popCalWin.close();
	return void(0);
}
 
function reloadCalPopup() /*[0]dateString, [1]dstWindowName, [2]fieldname*/
{
	/*Set the window's features here; get top and left positioning; top + 270; left + 132*/
    var left;
    var top;
    var lefttop = findPos(divCMBPopup).toString();
    lefttop = lefttop.split(",");      
    var f_name = reloadCalPopup.arguments[2].toString();
    if (f_name.indexOf("ContentPlaceHolderMainColumn") > -1)  /*if this is the FAA page, open the calendar to the right of the form*/
    {
        left = (lefttop[0]-0) + 245; 
        top = (lefttop[1]-0) + 145;
    }
    else if (f_name.indexOf("txtPreferredDateCAA") > -1)  /*if this is the FAA contact page main contact form, open the calendar to the right of the form   */
    {
        left = (lefttop[0] - 0) + 925; 
        top = (lefttop[1] - 0) + 645;
    }
    else if (f_name.indexOf("InfoDisplay2_CallMeBackForm1_txtPreferredDate") > -1)  /*if this is the FAA contact page  Have Agent Call Me Form, open the calendar to the right of the form  */
    {
        left = (lefttop[0] - 0) + 245;
        top = (lefttop[1] - 0) + 145;
    }
    else  /*open calendar to left of form*/
    {
        left = (lefttop[0]-0) - 300;
        top = (lefttop[1]-0) + 145;
    }
      
    /*alert ("cmb top=" + lefttop[1] + " calc top=" + top + " cmb left=" + lefttop[0] + " calc left=" + left);*/
	/*var windowFeatures = "titlebar=no, toolbar=no, location=no, status=no, menubar=no, scrollbars=no, resizable=no, height=270, width=270, top=" + ((screen.height - 270)/2).toString()+",left="+((screen.width - 270)/2).toString();*/
	var windowFeatures = "titlebar=no, toolbar=no, location=no, status=no, menubar=no, scrollbars=no, resizable=no, height=260, width=270, top=" + top +",left="+left;
	var tmpDate = new Date( reloadCalPopup.arguments[0] );
	
	if (tmpDate.toString() == "Invalid Date")
	    tmpDate = new Date();	
	tmpDate.setDate(1);	
	/*Get the calendar data*/
	var popCalData = calPopupSetData(tmpDate,reloadCalPopup.arguments[1]); 
 /*if (!popCalWin || popCalWin.closed){alert('closed');}*/
 
	/*Check to see if the window has been initialized, create it if it hasn't been  */
	if( popCalWin.toString() == "[object Object]" )	
	{
		popCalWin = window.open("",reloadCalPopup.arguments[1],windowFeatures);
		popCalWin.opener = self;		
		/* Window im Vordergrund*/
		popCalWin.focus();
	}
	else 
	{
        popCalWin.document.close();
		popCalWin.document.clear();
  }
	
	/*this is the line with the big problem*/
  popCalWin.document.write(popCalData);
	return void(1);
}
 
function calPopupSetData(firstDay,dstWindowName)
{
	var popCalData = "";
    var lastDate = 0;
	var fnt = new Array( "<FONT SIZE=\"1\">", "<B><FONT SIZE=\"2\">", "<FONT SIZE=\"2\" COLOR=\"#EF741D\"><B>", "<FONT SIZE=\"3\">");
	var dtToday = new Date();
	var thisMonth = firstDay.getMonth();
	var thisYear = firstDay.getFullYear();
	var nPrevMonth = (thisMonth == 0 ) ? 11 : (thisMonth - 1);
	var nNextMonth = (thisMonth == 11 ) ? 0 : (thisMonth + 1);
	var nPrevMonthYear = (nPrevMonth == 11) ? (thisYear - 1): thisYear;
	var nNextMonthYear = (nNextMonth == 0) ? (thisYear + 1): thisYear;
	var sToday = String((dtToday.getMonth()+1) + "/01/" + dtToday.getFullYear());
	var sPrevMonth = String((nPrevMonth+1) + "/01/" + nPrevMonthYear);
	var sNextMonth = String((nNextMonth+1) + "/01/" + nNextMonthYear);
	var sPrevYear1 = String((thisMonth+1) + "/01/" + (thisYear - 1));
	var sNextYear1 = String((thisMonth+1) + "/01/" + (thisYear + 1));
 	var tmpDate = new Date( sNextMonth );
	
	tmpDate = new Date( tmpDate.valueOf() - 1001 );
	lastDate = tmpDate.getDate();

	if (this.popCalMonths.split) /* javascript 1.1 defensive code*/
	{
		var monthNames = this.popCalMonths.split(",");
		var dayNames = this.popCalDays.split(",");
	}
	else  /* Need to build a js 1.0 split algorithm, default English for now*/
	{
		var monthNames = new Array("January","February","March","April","May","June","July","August","September","October","November","December");
		var dayNames = new Array("Sun","Mon","Tue","Wed","Thu","Fri","Sat")
	}

	var styles = "<style><!-- body{font-family:Arial,Helvetica,sans-serif;font-size:9pt}; td {  font-family: Arial, Helvetica, sans-serif; font-size: 9pt; color: #666666}; A { text-decoration: none; };TD.day { border-bottom: solid black; border-width: 0px; }--></style>"
	var cellAttribs = "align=\"center\" class=\"day\" BGCOLOR=\"#FFFFFF\"onMouseOver=\"temp=this.style.backgroundColor;this.style.backgroundColor='#CCCCCC';\" onMouseOut=\"this.style.backgroundColor=temp;\""
	var cellAttribs2 = "align=\"center\" BGCOLOR=\"#FFFFFF\" onMouseOver=\"temp=this.style.backgroundColor;this.style.backgroundColor='#CCCCCC';\" onMouseOut=\"this.style.backgroundColor=temp;\""
	var htmlHead = "<HTML><HEAD><TITLE>"+popCalTitle+"</TITLE>" + styles + "</HEAD><BODY BGCOLOR=\"#FFFFFF\" TEXT=\"#000000\" LINK=\"#364180\" ALINK=\"#FF8100\" VLINK=\"#424282\" onblur=\"window.close();\">";
	var htmlTail = "</BODY></HTML>";
	var closeAnchor = "<CENTER><input type=button value=\""+popCalClose+"\" onClick=\"javascript:window.opener.closeCalPopup()\"></CENTER><br /><br /><br />";            
	var todayAnchor = "<A HREF=\"javascript:window.opener.reloadCalPopup('"+sToday+"','"+dstWindowName+"','" + fieldname + "');\">"+popCalToday+"</A>";
	var prevMonthAnchor = "<A HREF=\"javascript:window.opener.reloadCalPopup('"+sPrevMonth+"','"+dstWindowName+"','" + fieldname + "');\">" + monthNames[nPrevMonth] + "</A>";
	var nextMonthAnchor = "<A HREF=\"javascript:window.opener.reloadCalPopup('"+sNextMonth+"','"+dstWindowName+"','" + fieldname + "');\">" + monthNames[nNextMonth] + "</A>";
	var prevYear1Anchor = "<A HREF=\"javascript:window.opener.reloadCalPopup('"+sPrevYear1+"','"+dstWindowName+"','" + fieldname + "');\">"+(thisYear-1)+"</A>";
	var nextYear1Anchor = "<A HREF=\"javascript:window.opener.reloadCalPopup('"+sNextYear1+"','"+dstWindowName+"','" + fieldname + "');\">"+(thisYear+1)+"</A>";
		
	popCalData += (htmlHead + fnt[1]);
	popCalData += ("<DIV align=\"center\">");
	popCalData += ("<TABLE BORDER=\"0\" cellspacing=\"0\" callpadding=\"0\" width=\"250\"><TR><TD width=\"45\">&nbsp</TD>");
	popCalData += ("<TD width=\"45\" align=\"center\" " + cellAttribs2);
	popCalData += (" >");
	popCalData += (fnt[0]+prevYear1Anchor+"</FONT></TD>");
	popCalData += ("<TD width=\"70\" align=\"center\" "+cellAttribs2);
	popCalData += (" >");
	popCalData += (fnt[0]+todayAnchor+"</FONT></TD>");
	popCalData += ("<TD width=\"45\" align=\"center\" "+cellAttribs2);
	popCalData += (" >");
	popCalData += (fnt[0]+nextYear1Anchor+"</FONT></TD><TD width=\"45\">&nbsp</TD>");
	popCalData += ("</TR></TABLE>");
	popCalData += ("<TABLE BORDER=\"0\" cellspacing=\"0\" callpadding=\"0\" width=\"250\">");          
	popCalData += ("<TR><TD width=\"55\" align=\"center\" "+cellAttribs2);
	popCalData += (" >");
	popCalData += (fnt[0] + prevMonthAnchor + "</FONT></TD>");
	popCalData += ("<TD width=\"140\" align=\"center\">");
	popCalData += ("&nbsp;&nbsp;"+fnt[1]+"<FONT COLOR=\"#000000\">" + monthNames[thisMonth] + ", " + thisYear + "&nbsp;&nbsp;</FONT></TD>");
	popCalData += ("<TD width=\"55\" align=\"center\" "+cellAttribs2);
	popCalData += (" >");
	popCalData += (fnt[0]+nextMonthAnchor+"</FONT></TD></TR></TABLE><BR>");       
	popCalData += ("<TABLE BORDER=\"0\" cellspacing=\"2\" cellpadding=\"1\"  width=\"245\">" );
	popCalData += ("");
	popCalData += ("<TR>");
	
	/*
	popCalData += ("<TD width=\"35\" align=\"center\">"+fnt[1]+"<FONT COLOR=\"#000000\">"+dayNames[0]+"</FONT></TD>");
	popCalData += ("<TD width=\"35\" align=\"center\">"+fnt[1]+"<FONT COLOR=\"#000000\">"+dayNames[1]+"</FONT></TD>");
	popCalData += ("<TD width=\"35\" align=\"center\">"+fnt[1]+"<FONT COLOR=\"#000000\">"+dayNames[2]+"</FONT></TD>");
	popCalData += ("<TD width=\"35\" align=\"center\">"+fnt[1]+"<FONT COLOR=\"#000000\">"+dayNames[3]+"</FONT></TD>");
	popCalData += ("<TD width=\"35\" align=\"center\">"+fnt[1]+"<FONT COLOR=\"#000000\">"+dayNames[4]+"</FONT></TD>");
	popCalData += ("<TD width=\"35\" align=\"center\">"+fnt[1]+"<FONT COLOR=\"#000000\">"+dayNames[5]+"</FONT></TD>");
	popCalData += ("<TD width=\"35\" align=\"center\">"+fnt[1]+"<FONT COLOR=\"#000000\">"+dayNames[6]+"</FONT></TD>");
	*/
	var xday = 0;
	for (xday = 0; xday < 7; xday++)
	{
		popCalData += ("<TD width=\"35\" align=\"center\">"+fnt[1]+"<FONT COLOR=\"#000000\">"+dayNames[(xday+popCalFirstDayWeek)%7]+"</FONT></TD>");
	};
	popCalData += ("</TR>");
	
	var calDay = 0;
	var monthDate = 1;
	var weekDay = firstDay.getDay();
	do
	{
		popCalData += ("<TR>");
		for (calDay = 0; calDay < 7; calDay++ )
		{
			if(((weekDay+7-popCalFirstDayWeek)%7 != calDay) || (monthDate > lastDate))
			{
				popCalData += ("<TD width=\"35\">"+fnt[1]+"&nbsp;</FONT></TD>");
				continue;
			}
			else
			{
				anchorVal = "<A HREF=\"javascript:window.opener.calPopupSetDate(window.opener.popCalDstFld,'" + (thisMonth+1) + "/" + monthDate + "/" + thisYear + "');window.opener.closeCalPopup()\">";
				jsVal = "javascript:window.opener.calPopupSetDate(window.opener.popCalDstFld,'" + constructDate(monthDate,thisMonth+1,thisYear) + "');window.opener.closeCalPopup()";

				popCalData += ("<TD width=\"35\" "+cellAttribs+" onClick=\""+jsVal+"\">");
				
				if ((firstDay.getMonth() == dtToday.getMonth()) && (monthDate == dtToday.getDate()) && (thisYear == dtToday.getFullYear()) )
					popCalData += (anchorVal+fnt[2]+monthDate+"</A></FONT></TD>");
				else
					popCalData += (anchorVal+fnt[1]+monthDate+"</A></FONT></TD>");
				
				weekDay++;
				monthDate++;
			}
		}
		weekDay = popCalFirstDayWeek;
		popCalData += ("</TR>");
	} while( monthDate <= lastDate );
	
	popCalData += ("</TABLE></DIV><BR>");
 
	popCalData += (closeAnchor+"</FONT>"+htmlTail);
	return( popCalData );
}
 
function calPopupSetDate()
{
	calPopupSetDate.arguments[0].value = calPopupSetDate.arguments[1];
}

function padZero(num)
{
  return ((num <= 9) ? ("0" + num) : num);
}

/* Format short date*/
function constructDate(d,m,y)
{
  var fmtDate = this.popCalDstFmt
  fmtDate = fmtDate.replace ('dd', padZero(d))
  fmtDate = fmtDate.replace ('d', d)
  fmtDate = fmtDate.replace ('MM', padZero(m))
  fmtDate = fmtDate.replace ('M', m)
  fmtDate = fmtDate.replace ('yyyy', y)
  fmtDate = fmtDate.replace ('yy', padZero(y%100))
  return fmtDate;
}

/* ------------------------------------------------------------------
 Utility functions for parsing in getDateFromFormat()
 ------------------------------------------------------------------*/
function _isInteger(val) {
	var digits="1234567890";
	for (var i=0; i < val.length; i++) {
		if (digits.indexOf(val.charAt(i))==-1) { return false; }
		}
	return true;
	}
function _getInt(str,i,minlength,maxlength) {
	for (var x=maxlength; x>=minlength; x--) {
		var token=str.substring(i,i+x);
		if (token.length < minlength) { return null; }
		if (_isInteger(token)) { return token; }
		}
	return null;
	}
	
/* ------------------------------------------------------------------
 getDateFromFormat( date_string , format_string )

 This function takes a date string and a format string. It matches
 If the date string matches the format string, it returns the 
 getTime() of the date. If it does not match, it returns 0.
 ------------------------------------------------------------------*/
function getDateFromFormat(val,format) {
	val=val+"";
	format=format+"";
	var i_val=0;
	var i_format=0;
	var c="";
	var token="";
	var x,y;
	var now=new Date();
	var year=now.getYear();
	var month=now.getMonth()+1;
	var date=1;
		
	while (i_format < format.length) {
		/* Get next token from format string*/
		c=format.charAt(i_format);
		token="";
		while ((format.charAt(i_format)==c) && (i_format < format.length)) {
			token += format.charAt(i_format++);
			}
		/* Extract contents of value based on format token*/
		if (token=="yyyy" || token=="yy" || token=="y") {
			if (token=="yyyy") { x=4;y=4; }
			if (token=="yy")   { x=2;y=2; }
			if (token=="y")    { x=2;y=4; }
			year=_getInt(val,i_val,x,y);
			if (year==null) { return 0; }
			i_val += year.length;
			if (year.length==2) {
				if (year > 70) { year=1900+(year-0); }
				else { year=2000+(year-0); }
				}
			}
		else if (token=="MM"||token=="M") {
			month=_getInt(val,i_val,token.length,2);
			if(month==null||(month<1)||(month>12)){return 0;}
			i_val+=month.length;}
		else if (token=="dd"||token=="d") {
			date=_getInt(val,i_val,token.length,2);
			if(date==null||(date<1)||(date>31)){return 0;}
			i_val+=date.length;}
		else {
			if (val.substring(i_val,i_val+token.length)!=token) {return 0;}
			else {i_val+=token.length;}
			}
		}
	/* If there are any trailing characters left in the value, it doesn't match*/
	if (i_val != val.length) { return 0; }
	/* Is date valid for month?*/
	if (month==2) {
		/*Check for leap year*/
		if ( ( (year%4==0)&&(year%100 != 0) ) || (year%400==0) ) { /* leap year*/
			if (date > 29){ return 0; }
			}
		else { if (date > 28) { return 0; } }
		}
	if ((month==4)||(month==6)||(month==9)||(month==11)) {
		if (date > 30) { return 0; }
		}
	var newdate=new Date(year,month-1,date);
	return newdate;
	}


/*find the left, top position of an object*/
function findPos(obj) {
	var curleft = curtop = 0;
    if (obj.offsetParent) {
        do {
			curleft += obj.offsetLeft;
			curtop += obj.offsetTop;
        } while (obj = obj.offsetParent);
        }
        return [curleft,curtop];
}