// getAnchorPosition(anchorname)
//   This function returns an object having .x and .y properties which are the coordinates
//   of the named anchor, relative to the page.
function getAnchorPosition(anchorname) 
{
	// This function will return an Object with x and y properties
	var useWindow=false;
	var coordinates=new Object();
	var x=0,y=0;
	
	// Browser capability sniffing
	var use_gebi=false, use_css=false, use_layers=false;
	if (document.getElementById) { use_gebi=true; }
	else if (document.all) { use_css=true; }
	else if (document.layers) { use_layers=true; }
	
	// Logic to find position
 	if (use_gebi && document.all) 
 	{
		x=AnchorPosition_getPageOffsetLeft(document.all[anchorname]);
		y=AnchorPosition_getPageOffsetTop(document.all[anchorname]);
	}
	else if (use_gebi) 
	{
		var o=document.getElementById(anchorname);
		x=o.offsetLeft; y=o.offsetTop;
	}
 	else if (use_css) 
	{
		x=AnchorPosition_getPageOffsetLeft(document.all[anchorname]);
		y=AnchorPosition_getPageOffsetTop(document.all[anchorname]);
	}
	else if (use_layers) 
	{
		var found=0;
		
		for (var i=0; i<document.anchors.length; i++) 
		{
			if (document.anchors[i].name==anchorname) 
			{
				found=1; break; 
			}
		}
	
		if (found==0) 
		{
			coordinates.x=0; coordinates.y=0; return coordinates;
		}
	
		x=document.anchors[i].x;
		y=document.anchors[i].y;
	}
	else 
	{
		coordinates.x=0; coordinates.y=0; return coordinates;
	}
	
	coordinates.x=x;
	coordinates.y=y;
	
	return coordinates;
}



// getAnchorWindowPosition(anchorname)
//   This function returns an object having .x and .y properties which are the coordinates
//   of the named anchor, relative to the window
function getAnchorWindowPosition(anchorname) 
{
	var coordinates=getAnchorPosition(anchorname);
	var x=0;
	var y=0;
	if (document.getElementById) 
	{
		if (isNaN(window.screenX)) 
		{
			x=coordinates.x-document.body.scrollLeft+window.screenLeft;
			y=coordinates.y-document.body.scrollTop+window.screenTop;
		}
		else
		{
			x=coordinates.x+window.screenX+(window.outerWidth-window.innerWidth)-window.pageXOffset;
			y=coordinates.y+window.screenY+(window.outerHeight-24-window.innerHeight)-window.pageYOffset;
		}
	}
	else if (document.all) 
	{
		x=coordinates.x-document.body.scrollLeft+window.screenLeft;
		y=coordinates.y-document.body.scrollTop+window.screenTop;
	}
	else if (document.layers) 
	{
		x=coordinates.x+window.screenX+(window.outerWidth-window.innerWidth)-window.pageXOffset;
		y=coordinates.y+window.screenY+(window.outerHeight-24-window.innerHeight)-window.pageYOffset;
	}
	
	coordinates.x=x;
	coordinates.y=y;
	
	return coordinates;
}

// Functions for IE to get position of an object
function AnchorPosition_getPageOffsetLeft (el) 
{
	var ol=el.offsetLeft;
	while ((el=el.offsetParent) != null) { ol += el.offsetLeft; }
	return ol;
}
function AnchorPosition_getWindowOffsetLeft (el) 
{
	return AnchorPosition_getPageOffsetLeft(el)-document.body.scrollLeft;
}	
function AnchorPosition_getPageOffsetTop (el) 
{
	var ot=el.offsetTop;
	while((el=el.offsetParent) != null) { ot += el.offsetTop; }
	return ot;
}
function AnchorPosition_getWindowOffsetTop (el) 
{
	return AnchorPosition_getPageOffsetTop(el)-document.body.scrollTop;
}

// Set the position of the popup window based on the anchor
function PopupWindow_getXYPosition(anchorname) 
{
	var coordinates;
	if (this.type == "WINDOW") 
	{
		coordinates = getAnchorWindowPosition(anchorname);
	}
	else 
	{
		coordinates = getAnchorPosition(anchorname);
	}
	this.x = coordinates.x;
	this.y = coordinates.y;
}
// Set width/height of DIV/popup window
function PopupWindow_setSize(width,height) 
{
	this.width = width;
	this.height = height;
}
// Fill the window with contents
function PopupWindow_populate(contents) 
{
	this.contents = contents;
	this.populated = false;
}
// Refresh the displayed contents of the popup
function PopupWindow_refresh() 
{
	if (this.divName != null) 
	{
		// refresh the DIV object
		if (this.use_gebi) 
		{
			document.getElementById(this.divName).innerHTML = this.contents;
		}
		else if (this.use_css) 
		{ 
			document.all[this.divName].innerHTML = this.contents;
		}
		else if (this.use_layers) 
		{ 
			var d = document.layers[this.divName]; 
			d.document.open();
			d.document.writeln(this.contents);
			d.document.close();
		}
	}
	else 
	{
		if (this.popupWindow != null && !this.popupWindow.closed) 
		{
			this.popupWindow.document.open();
			this.popupWindow.document.writeln(this.contents);
			this.popupWindow.document.close();
			this.popupWindow.focus();
		}
	}
}

// Position and show the popup, relative to an anchor object
function PopupWindow_showPopup(anchorname) 
{
	this.getXYPosition(anchorname);
	this.x += this.offsetX;
	this.y += this.offsetY;
	if (!this.populated && (this.contents != "")) 
	{
		this.populated = true;
		this.refresh();
	}
	if (this.divName != null) 
	{
		// Show the DIV object
		if (this.use_gebi) 
		{
			document.getElementById(this.divName).style.left = this.x;
			document.getElementById(this.divName).style.top = this.y;
			document.getElementById(this.divName).style.visibility = "visible";
			
			hideElementUnder("select",document.getElementById(this.divName))
		}
		else if (this.use_css) 
		{
			document.all[this.divName].style.left = this.x;
			document.all[this.divName].style.top = this.y;
			document.all[this.divName].style.visibility = "visible";
			
			hideElementUnder("select",document.getElementById(this.divName))
		}
		else if (this.use_layers) 
		{
			document.layers[this.divName].left = this.x;
			document.layers[this.divName].top = this.y;
			document.layers[this.divName].visibility = "visible";
			
			hideElementUnder("select",document.getElementById(this.divName))
		}
	}
	else 
	{
		if (this.popupWindow == null || this.popupWindow.closed) 
		{
			// If the popup window will go off-screen, move it so it doesn't
			if (screen && screen.availHeight) 
			{
				if ((this.y + this.height) > screen.availHeight) 
				{
					this.y = screen.availHeight - this.height;
				}
			}
			if (screen && screen.availWidth) 
			{
				if ((this.x + this.width) > screen.availWidth) 
				{
					this.x = screen.availWidth - this.width;
				}
			}
			this.popupWindow = window.open("about:blank","window_"+anchorname,"toolbar=no,location=no,status=no,menubar=no,scrollbars=auto,resizable,alwaysRaised,dependent,titlebar=no,width="+this.width+",height="+this.height+",screenX="+this.x+",left="+this.x+",screenY="+this.y+",top="+this.y+"");
		}
		this.refresh();
	}
}
// Hide the popup
function PopupWindow_hidePopup() 
{
	if (this.divName != null) 
	{
		if (this.use_gebi) 
		{
			document.getElementById(this.divName).style.visibility = "hidden";
			showElement("select")
		}
		else if (this.use_css) 
		{
			document.all[this.divName].style.visibility = "hidden";
			showElement("select")
		}
		else if (this.use_layers) 
		{
			document.layers[this.divName].visibility = "hidden";
			showElement("select")
		}
	}
	else 
	{
		if (this.popupWindow && !this.popupWindow.closed) 
		{
			this.popupWindow.close();
			this.popupWindow = null;
		}
	}
}

// Pass an event and return whether or not it was the popup DIV that was clicked
function PopupWindow_isClicked(e) 
{
	if (this.divName != null) 
	{
		if (this.use_layers) 
		{
			var clickX = e.pageX;
			var clickY = e.pageY;
			var t = document.layers[this.divName];
			if ((clickX > t.left) && (clickX < t.left+t.clip.width) && (clickY > t.top) && (clickY < t.top+t.clip.height)) 
			{
				return true;
			}
			else 
			{
				return false; 
			}
		}
		else if (document.all) 
		{
			// Need to hard-code this to trap IE for error-handling
			var t = window.event.srcElement;
			while (t.parentElement != null) 
			{
				if (t.id==this.divName) 
				{
					return true;
				}
				t = t.parentElement;
			}
			
			return false;
		}
		else if (this.use_gebi) 
		{
			var t = e.originalTarget;
			while (t.parentNode != null) 
			{
				if (t.id==this.divName) 
				{
					return true;
				}
				t = t.parentNode;
			}
		
			return false;
		}
		
		return false;
	}
	
	return false;
}

// Check an onMouseDown event to see if we should hide
function PopupWindow_hideIfNotClicked(e) 
{
	if (this.autoHideEnabled && !this.isClicked(e)) 
	{
		this.hidePopup();
	}
}

// Call this to make the DIV disable automatically when mouse is clicked outside it
function PopupWindow_autoHide() 
{
	this.autoHideEnabled = true;
}
// This global function checks all PopupWindow objects onmouseup to see if they should be hidden
function PopupWindow_hidePopupWindows(e) 
{
	for (var i=0; i<popupWindowObjects.length; i++) 
	{
		if (popupWindowObjects[i] != null) 
		{
			var p = popupWindowObjects[i];
			p.hideIfNotClicked(e);
		}
	}
}
// Run this immediately to attach the event listener
function PopupWindow_attachListener() 
{
	if (document.layers) 
	{
		document.captureEvents(Event.MOUSEUP);
	}
	window.popupWindowOldEventListener = document.onmouseup;
		
	if (window.popupWindowOldEventListener != null) 
	{
		document.onmouseup = new Function("window.popupWindowOldEventListener(); PopupWindow_hidePopupWindows();");
	}
	else 
	{
		document.onmouseup = PopupWindow_hidePopupWindows;
	}
}

// CONSTRUCTOR for the PopupWindow object
// Pass it a DIV name to use a DHTML popup, otherwise will default to window popup
function PopupWindow() 
{
	if (!window.popupWindowIndex) 
	{
		window.popupWindowIndex = 0; 
	}
	if (!window.popupWindowObjects) 
	{
		window.popupWindowObjects = new Array(); 
	}
	if (!window.listenerAttached) 
	{
		window.listenerAttached = true;
		PopupWindow_attachListener();
	}
	this.index = popupWindowIndex++;
	popupWindowObjects[this.index] = this;
	this.divName = null;
	this.popupWindow = null;
	this.width=0;
	this.height=0;
	this.populated = false;
	this.visible = false;
	this.autoHideEnabled = false;
	
	this.contents = "";
	if (arguments.length>0) 
	{
		this.type="DIV";
		this.divName = arguments[0];
	}
	else 
	{
		this.type="WINDOW";
	}
	this.use_gebi = false;
	this.use_css = false;
	this.use_layers = false;
	if (document.getElementById) 
	{ 
		this.use_gebi = true; 
	}
	else if (document.all) 
	{ 
		this.use_css = true; 
	}
	else if (document.layers) 
	{ 
		this.use_layers = true; 
	}
	else 
	{ 
		this.type = "WINDOW"; 
	}
	
	this.offsetX = 0;
	this.offsetY = 0;
	// Method mappings
	this.getXYPosition = PopupWindow_getXYPosition;
	this.populate = PopupWindow_populate;
	this.refresh = PopupWindow_refresh;
	this.showPopup = PopupWindow_showPopup;
	this.hidePopup = PopupWindow_hidePopup;
	this.setSize = PopupWindow_setSize;
	this.isClicked = PopupWindow_isClicked;
	this.autoHide = PopupWindow_autoHide;
	this.hideIfNotClicked = PopupWindow_hideIfNotClicked;
	
}

// ------------------------------------------------------------------
// These functions use the same 'format' strings as the 
// java.text.SimpleDateFormat class, with minor exceptions.
// The format string consists of the following abbreviations:
// 
// Field        | Full Form          | Short Form
// -------------+--------------------+-----------------------
// Year         | yyyy (4 digits)    | yy (2 digits), y (2 or 4 digits)
// Month        | MMM (name or abbr.)| MM (2 digits), M (1 or 2 digits)
// Day of Month | dd (2 digits)      | d (1 or 2 digits)
// Hour (1-12)  | hh (2 digits)      | h (1 or 2 digits)
// Hour (0-23)  | HH (2 digits)      | H (1 or 2 digits)
// Hour (0-11)  | KK (2 digits)      | K (1 or 2 digits)
// Hour (1-24)  | kk (2 digits)      | k (1 or 2 digits)
// Minute       | mm (2 digits)      | m (1 or 2 digits)
// Second       | ss (2 digits)      | s (1 or 2 digits)
// AM/PM        | a                  |
//
// NOTE THE DIFFERENCE BETWEEN MM and mm! Month=MM, not mm!
// Examples:
//  "MMM d, y" matches: January 01, 2000
//                      Dec 1, 1900
//                      Nov 20, 00
//  "M/d/yy"   matches: 01/20/00
//                      9/2/00
//  "MMM dd, yyyy hh:mm:ssa" matches: "January 01, 2000 12:30:45AM"
// ------------------------------------------------------------------

var MONTH_NAMES=new Array('January','February','March','April','May','June','July','August','September','October','November','December','Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec');
function LZ(x) 
{
	return (x<0||x>9?"":"0")+x;
}

// ------------------------------------------------------------------
// isDate ( date_string, format_string )
// Returns true if date string matches format of format string and
// is a valid date. Else returns false.
// It is recommended that you trim whitespace around the value before
// passing it to this function, as whitespace is NOT ignored!
// ------------------------------------------------------------------
function isDate(val,format) 
{
	var date=getDateFromFormat(val,format);

	if (date==0) 
	{ 
		return false; 
	}
	
	return true;
}

// -------------------------------------------------------------------
// compareDates(date1,date1format,date2,date2format)
//   Compare two date strings to see which is greater.
//   Returns:
//   1 if date1 is greater than date2
//   0 if date2 is greater than date1 of if they are the same
//  -1 if either of the dates is in an invalid format
// -------------------------------------------------------------------
function compareDates(date1,dateformat1,date2,dateformat2) 
{
	var d1=getDateFromFormat(date1,dateformat1);
	var d2=getDateFromFormat(date2,dateformat2);
	
	if (d1==0 || d2==0) 
	{
		return -1;
	}
	else if (d1 > d2) 
	{
		return 1;
	}
	
	return 0;
}

// ------------------------------------------------------------------
// formatDate (date_object, format)
// Returns a date in the output format specified.
// The format string uses the same abbreviations as in getDateFromFormat()
// ------------------------------------------------------------------
function formatDate(date,format) 
{
	format=format+"";
	var result="";
	var i_format=0;
	var c="";
	var token="";
	var y=date.getYear()+"";
	var M=date.getMonth()+1;
	var d=date.getDate();
	var H=date.getHours();
	var m=date.getMinutes();
	var s=date.getSeconds();
	var yyyy,yy,MMM,MM,dd,hh,h,mm,ss,ampm,HH,H,KK,K,kk,k;
	// Convert real date parts into formatted versions
	var value=new Object();

	if (y.length < 4) 
	{
		y=""+(y-0+1900);
	}

	value["y"]=""+y;
	value["yyyy"]=y;
	value["yy"]=y.substring(2,4);
	value["M"]=M;
	value["MM"]=LZ(M);
	value["MMM"]=MONTH_NAMES[M-1];
	value["d"]=d;
	value["dd"]=LZ(d);
	value["H"]=H;
	value["HH"]=LZ(H);
	if (H==0){value["h"]=12;}
	else if (H>12){value["h"]=H-12;}
	else {value["h"]=H;}
	value["hh"]=LZ(value["h"]);
	if (H>11){value["K"]=H-12;} else {value["K"]=H;}
	value["k"]=H+1;
	value["KK"]=LZ(value["K"]);
	value["kk"]=LZ(value["k"]);
	if (H > 11) { value["a"]="PM"; }
	else { value["a"]="AM"; }
	value["m"]=m;
	value["mm"]=LZ(m);
	value["s"]=s;
	value["ss"]=LZ(s);
	while (i_format < format.length) 
	{
		c=format.charAt(i_format);
		token="";
		while ((format.charAt(i_format)==c) && (i_format < format.length)) 
		{
			token += format.charAt(i_format++);
		}
		
		if (value[token] != null) 
		{ 
			result=result + value[token]; 
		}
		else 
		{ 
			result=result + token; 
		}
	}
	
	return result;
}
	
// ------------------------------------------------------------------
// 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);
		token=token.replace("/","");
		token=token.replace("-","");
		//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 token2="";
	var x,y;
	var now=new Date();
	var year=now.getYear();
	var month=now.getMonth()+1;
	var date=now.getDate();
	var hh=now.getHours();
	var mm=now.getMinutes();
	var ss=now.getSeconds();
	var ampm="";
	
	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=="MMM")
		{
			month=0;
			for (var i=0; i<MONTH_NAMES.length; i++) 
			{
				var month_name=MONTH_NAMES[i];
				if (val.substring(i_val,i_val+month_name.length).toLowerCase()==month_name.toLowerCase()) 
				{
					month=i+1;
					if (month>12) { month -= 12; }
					i_val += month_name.length;
					break;
				}
			}
	
			if ((month < 1)||(month>12)){return 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 (token=="hh"||token=="h") 
		{
			hh=_getInt(val,i_val,token.length,2);
			if(hh==null||(hh<1)||(hh>12)){return 0;}
			i_val+=hh.length;
		}
		else if (token=="HH"||token=="H") 
		{
			hh=_getInt(val,i_val,token.length,2);
			if(hh==null||(hh<0)||(hh>23)){return 0;}
			i_val+=hh.length;
		}
		else if (token=="KK"||token=="K") 
		{
			hh=_getInt(val,i_val,token.length,2);
			if(hh==null||(hh<0)||(hh>11)){return 0;}
			i_val+=hh.length;
		}
		else if (token=="kk"||token=="k") 
		{
			hh=_getInt(val,i_val,token.length,2);
			if(hh==null||(hh<1)||(hh>24)){return 0;}
			i_val+=hh.length;hh--;
		}
		else if (token=="mm"||token=="m") 
		{
			mm=_getInt(val,i_val,token.length,2);
			if(mm==null||(mm<0)||(mm>59)){return 0;}
			i_val+=mm.length;
		}
		else if (token=="ss"||token=="s") 
		{
			ss=_getInt(val,i_val,token.length,2);
			if(ss==null||(ss<0)||(ss>59)){return 0;}
			i_val+=ss.length;
		}
		else if (token=="a") 
		{
			if (val.substring(i_val,i_val+2).toLowerCase()=="am") 
			{
				ampm="AM";
			}
			else if (val.substring(i_val,i_val+2).toLowerCase()=="pm") 
			{
				ampm="PM";
			}
			else 
			{
				return 0;
			}
			
			i_val+=2;
		}
		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 false; }
		}
		else 
		{
			if (date > 28) { return false; } 
		}
	}
	
	if ((month==4)||(month==6)||(month==9)||(month==11)) 
	{
		if (date > 30) { return false; }
	}
	// Correct hours value
	if (hh<12 && ampm=="PM") { hh+=12; }
	else if (hh>11 && ampm=="AM") { hh-=12; }
	var newdate=new Date(year,month-1,date,hh,mm,ss);
	return newdate.getTime();
}


// CONSTRUCTOR for the CalendarPopup Object
function CalendarPopup() 
{
	var c;
	if (arguments.length>0) 
	{
		c = new PopupWindow(arguments[0]);
	}
	else 
	{
		c = new PopupWindow();
		c.setSize(150,175);
	}
	
	c.offsetX = -152;
	c.offsetY = 25;
	c.autoHide();
	
	// Calendar-specific properties
	c.monthNames = new Array("January","February","March","April","May","June","July","August","September","October","November","December");
	c.monthAbbreviations = new Array("Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec");
	c.dayHeaders = new Array("S","M","T","W","T","F","S");
	c.returnFunction = "CalendarPopup_tmpReturnFunction";
	c.returnMonthFunction = "CalendarPopup_tmpReturnMonthFunction";
	c.returnQuarterFunction = "CalendarPopup_tmpReturnQuarterFunction";
	c.returnYearFunction = "CalendarPopup_tmpReturnYearFunction";
	c.weekStartDay = 0;
	c.isShowYearNavigation = false;
	c.displayType = "date";
	c.disabledWeekDays = new Object();
	c.yearSelectStartOffset = 2;
	c.currentDate = null;
	c.todayText="Today";
	window.CalendarPopup_targetInput = null;
	window.CalendarPopup_dateFormat = "mm/dd/yyyy";
	// Method mappings
	c.setReturnFunction = CalendarPopup_setReturnFunction;
	c.setReturnMonthFunction = CalendarPopup_setReturnMonthFunction;
	c.setReturnQuarterFunction = CalendarPopup_setReturnQuarterFunction;
	c.setReturnYearFunction = CalendarPopup_setReturnYearFunction;
	c.setMonthNames = CalendarPopup_setMonthNames;
	c.setMonthAbbreviations = CalendarPopup_setMonthAbbreviations;
	c.setDayHeaders = CalendarPopup_setDayHeaders;
	c.setWeekStartDay = CalendarPopup_setWeekStartDay;
	c.setDisplayType = CalendarPopup_setDisplayType;
	c.setDisabledWeekDays = CalendarPopup_setDisabledWeekDays;
	c.setYearSelectStartOffset = CalendarPopup_setYearSelectStartOffset;
	c.setTodayText = CalendarPopup_setTodayText;
	c.showYearNavigation = CalendarPopup_showYearNavigation;
	c.showCalendar = CalendarPopup_showCalendar;
	c.hideCalendar = CalendarPopup_hideCalendar;
	c.getStyles = CalendarPopup_getStyles;
	c.refreshCalendar = CalendarPopup_refreshCalendar;
	c.getCalendar = CalendarPopup_getCalendar;
	c.select = CalendarPopup_select;
	// Return the object
	return c;
}

// Temporary default functions to be called when items clicked, so no error is thrown
function CalendarPopup_tmpReturnFunction(y,m,d) 
{ 
	if (window.CalendarPopup_targetInput!=null) 
	{
		var d = new Date(y,m-1,d,0,0,0);
		window.CalendarPopup_targetInput.value = formatDate(d,window.CalendarPopup_dateFormat);
	}
	else 
	{
		alert('Use setReturnFunction() to define which function will get the clicked results!'); 
	}
}
function CalendarPopup_tmpReturnMonthFunction(y,m) 
{ 
	alert('Use setReturnMonthFunction() to define which function will get the clicked results!\nYou clicked: year='+y+' , month='+m); 
}
function CalendarPopup_tmpReturnQuarterFunction(y,q) 
{ 
	alert('Use setReturnQuarterFunction() to define which function will get the clicked results!\nYou clicked: year='+y+' , quarter='+q); 
}
function CalendarPopup_tmpReturnYearFunction(y) 
{ 
	alert('Use setReturnYearFunction() to define which function will get the clicked results!\nYou clicked: year='+y); 
}

// Set the name of the functions to call to get the clicked item
function CalendarPopup_setReturnFunction(name) { this.returnFunction = name; }
function CalendarPopup_setReturnMonthFunction(name) { this.returnMonthFunction = name; }
function CalendarPopup_setReturnQuarterFunction(name) { this.returnQuarterFunction = name; }
function CalendarPopup_setReturnYearFunction(name) { this.returnYearFunction = name; }

// Over-ride the built-in month names
function CalendarPopup_setMonthNames() 
{
	for (var i=0; i<arguments.length; i++) 
	{ 
		this.monthNames[i] = arguments[i]; 
	}
}

// Over-ride the built-in month abbreviations
function CalendarPopup_setMonthAbbreviations() 
{
	for (var i=0; i<arguments.length; i++) 
	{ 
		this.monthAbbreviations[i] = arguments[i]; 
	}
}

// Over-ride the built-in column headers for each day
function CalendarPopup_setDayHeaders() 
{
	for (var i=0; i<arguments.length; i++) 
	{ 
		this.dayHeaders[i] = arguments[i]; 
	}
}

// Set the day of the week (0-7) that the calendar display starts on
// This is for countries other than the US whose calendar displays start on Monday(1), for example
function CalendarPopup_setWeekStartDay(day) 
{ 
	this.weekStartDay = day; 
}

// Show next/last year navigation links
function CalendarPopup_showYearNavigation() 
{ 
	this.isShowYearNavigation = true; 
}

// Which type of calendar to display
function CalendarPopup_setDisplayType(type) 
{
	if (type!="date"&&type!="week-end"&&type!="month"&&type!="quarter"&&type!="year") 
	{ 
		alert("Invalid display type! Must be one of: date,week-end,month,quarter,year");
		return false; 
	}
	
	this.displayType=type;
}

// How many years back to start by default for year display
function CalendarPopup_setYearSelectStartOffset(num) 
{ 
	this.yearSelectStartOffset=num; 
}

// Set which weekdays should not be clickable
function CalendarPopup_setDisabledWeekDays() 
{
	this.disabledWeekDays = new Object();
	for (var i=0; i<arguments.length; i++) 
	{ 
		this.disabledWeekDays[arguments[i]] = true; 
	}
}
	
// Set the text to use for the "Today" link
function CalendarPopup_setTodayText(text) 
{
	this.todayText = text;
}

// Hide a calendar object
function CalendarPopup_hideCalendar() 
{
	if (arguments.length > 0) 
	{ 
		window.popupWindowObjects[arguments[0]].hidePopup(); 
	}
	else 
	{ 
		this.hidePopup(); 
	}
}

// Refresh the contents of the calendar display
function CalendarPopup_refreshCalendar(index) 
{
	var calObject = window.popupWindowObjects[index];
	if (arguments.length>1) 
	{ 
		calObject.populate(calObject.getCalendar(arguments[1],arguments[2],arguments[3],arguments[4],arguments[5]));
	}
	else 
	{
		calObject.populate(calObject.getCalendar());
	}
	calObject.refresh();
}

// Populate the calendar and display it
function CalendarPopup_showCalendar(anchorname) 
{
	this.populate(this.getCalendar());
	this.showPopup(anchorname);
}

// Simple method to interface popup calendar with a text-entry box
function CalendarPopup_select(inputobj, linkname, format) 
{
	if (!window.getDateFromFormat) 
	{
		alert("calendar.select: To use this method you must also include 'date.js' for date formatting");
		return;
	}
	if (this.displayType!="date"&&this.displayType!="week-end") 
	{
		alert("calendar.select: This function can only be used with displayType 'date' or 'week-end'");
		return;
	}
	if (inputobj.type!="text" && inputobj.type!="hidden" && inputobj.type!="textarea") 
	{ 
		alert("calendar.select: Input object passed is not a valid form input object"); 
		window.CalendarPopup_targetInput=null;
		return;
	}
	
	window.CalendarPopup_targetInput = inputobj;
	
	if (inputobj.value!="") 
	{
		var time = getDateFromFormat(inputobj.value,format);
		if (time==0) 
		{
			this.currentDate=null; 
		}
		else 
		{ 
			this.currentDate=new Date(time); 
		}
	}
	else 
	{ 
		this.currentDate=null; 
	}
	
	window.CalendarPopup_dateFormat = format;
	this.showCalendar(linkname);
}
	
// Get style block needed to display the calendar correctly
function CalendarPopup_getStyles() 
{
	var result = "";
	return result;
}

// Return a string containing all the calendar code to be displayed
function CalendarPopup_getCalendar() 
{
	var now = new Date();
	// Reference to window
	if (this.type == "WINDOW") { var windowref = "window.opener."; }
	else { var windowref = ""; }
	var result = "";
	// 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=100% BORDER=0 BORDERWIDTH=0 CELLSPACING=0 CELLPADDING=0>\n';
	}
	else 
	{
		result += '<TABLE WIDTH=144 BORDER=0 BORDERWIDTH=0 BORDERCOLOR="#808080" CELLSPACING=0 CELLPADDING=1 class=outertable>\n';
		result += '<TR><TD ALIGN=CENTER>\n';
		result += '<CENTER>\n';
	}

	// Code for DATE display (default)
	// -------------------------------
	if (this.displayType=="date" || this.displayType=="week-end") 
	{
		if (this.currentDate==null) 
		{
			this.currentDate = now; 
		}
		
		if (arguments.length > 0) 
		{ 
			var month = arguments[0]; 
		}
		else 
		{ 
			var month = this.currentDate.getMonth()+1; 
		}
		
		if (arguments.length > 1) 
		{ 
			var year = arguments[1]; 
		}
		else 
		{ 
			var year = this.currentDate.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) ) 
		{
			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;
		
		if (this.type!="WINDOW") 
		{
			result += '<TABLE WIDTH=144 BORDER=0 BORDERWIDTH=0 CELLSPACING=0 CELLPADDING=0>\n';
		}
		
		result += '<TR BGCOLOR="#C0C0C0">\n';
		
		var refresh = 'javascript:'+windowref+'CalendarPopup_refreshCalendar';
		
		if (this.isShowYearNavigation) 
		{
			var td = '<TD BGCOLOR="#D7D7E5" CLASS="cal" ALIGN=CENTER VALIGN=MIDDLE ';
			result += td + ' WIDTH=10><B><A CLASS="cal" HREF="'+refresh+'('+this.index+','+last_month+','+last_month_year+');"><</A></B></TD>';
			result += td + ' WIDTH=58>'+this.monthNames[month-1]+'</TD>';
			result += td + ' WIDTH=10><B><A CLASS="cal" HREF="'+refresh+'('+this.index+','+next_month+','+next_month_year+');">></A></B></TD>';
			result += td + ' WIDTH=10> </TD>';
			result += td + ' WIDTH=10><B><A CLASS="cal" HREF="'+refresh+'('+this.index+','+month+','+(year-1)+');"><</A></B></TD>';
			result += td + ' WIDTH=36>'+year+'</TD>';
			result += td + ' WIDTH=10><B><A CLASS="cal" HREF="'+refresh+'('+this.index+','+month+','+(year+1)+');">></A></B></TD>';
		}
		else 
		{
			result += '	<TD BGCOLOR="#D7D7E5" CLASS="cal" WIDTH=22 ALIGN=CENTER VALIGN=MIDDLE><B><A CLASS="cal" HREF="'+refresh+'('+this.index+','+last_month+','+last_month_year+');"><<</A></B></TD>\n';
			result += '	<TD BGCOLOR="#D7D7E5" CLASS="cal" WIDTH=100 ALIGN=CENTER><font size=1 color=navy><b>'+this.monthNames[month-1]+' '+year+'</b></font></TD>\n';
			result += '	<TD BGCOLOR="#D7D7E5" CLASS="cal" WIDTH=22 ALIGN=CENTER VALIGN=MIDDLE><B><A CLASS="cal" HREF="'+refresh+'('+this.index+','+next_month+','+next_month_year+');">>></A></B></TD>\n';
		}
		
		result += '</TR></TABLE>\n';
		result += '<TABLE WIDTH=120 BORDER=0 CELLSPACING=2 CELLPADDING=0 ALIGN=CENTER>\n';
		result += '<TR>\n';
		
		var td = '	<TD CLASS="cal" ALIGN=center WIDTH=14%><font size=1 color=navy>';
		
		for (var j=0; j<7; j++) 
		{
			result += td+this.dayHeaders[(this.weekStartDay+j)%7]+'</font></TD>\n';
		}
		
		result += '</TR>\n';
		result += '<TR><TD COLSPAN=7 height=1 ALIGN=CENTER bgcolor=black><IMG SRC="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 == this.currentDate.getMonth()+1) && (display_date==this.currentDate.getDate()) && (display_year==this.currentDate.getFullYear())) 
				{
					td_class="caltoday";
				}
				else 
				{
					td_class="calmonth";
				}
				if (this.disabledWeekDays[col-1]) 
				{
					date_class="calnotclickable";
					result += '	<TD CLASS="'+td_class+'"><SPAN CLASS="'+date_class+'">'+display_date+'</SPAN></TD>\n';
				}
				else 
				{
					var selected_date = display_date;
					var selected_month = display_month;
					var selected_year = display_year;
					var d = new Date(selected_year,selected_month-1,selected_date,0,0,0,0);
					if (this.displayType=="week-end") 
					{
						d.setDate(d.getDate() + (7-col));
						selected_year = d.getYear();
						if (selected_year < 1000) { selected_year += 1900; }
						selected_month = d.getMonth()+1;
						selected_date = d.getDate();						
					}					
					var isSelectedDate=false;
					if (selected_month == (this.currentDate.getMonth()+1) && selected_date == this.currentDate.getDate() && selected_year == this.currentDate.getYear())
						var isSelectedDate=true;					
					
					var isCurrentDate=false;					
					if (selected_month == (now.getMonth()+1) && selected_date == now.getDate() && selected_year == now.getYear())
						isCurrentDate=true;
						
					result += '	<TD ' + (isCurrentDate ? 'class=selectedDay' : '')+ ' align=center CLASS="'+td_class+'" id="day_' + selected_date + '" style="cursor:hand;border:1px solid ' + (isSelectedDate ? 'red;' : 'white;')+ '" onclick="javascript:'+windowref+this.returnFunction+'('+selected_year+','+selected_month+','+selected_date+');'+windowref+'CalendarPopup_hideCalendar(\''+this.index+'\');"><A HREF="javascript:void(0);" 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>';
		}
		
		var current_weekday = now.getDay();
		result += '<TR><TD COLSPAN=7 height=1 ALIGN=CENTER bgcolor=black><IMG SRC="graypixel.gif" WIDTH=120 HEIGHT=1></TD></TR>\n';
		result += '<TR>\n';
		result += '	<TD COLSPAN=7 ALIGN=CENTER>\n';
		
		if (this.disabledWeekDays[current_weekday+1]) 
		{
			result += '		<SPAN CLASS="disabledtextlink">'+this.todayText+'</SPAN>\n';
		}
		else 
		{
			result += '		<input type="button" onclick="'+windowref+this.returnFunction+'(\''+now.getFullYear()+'\',\''+(now.getMonth()+1)+'\',\''+now.getDate()+'\');'+windowref+'CalendarPopup_hideCalendar(\''+this.index+'\');" value="'+this.todayText+'">\n';
		}
		
		result += '		<BR>\n';
		result += '	</TD></TR></TABLE></CENTER></TD></TR></TABLE>\n';
	}

	// Code common for MONTH, QUARTER, YEAR
	// ------------------------------------
	if (this.displayType=="month" || this.displayType=="quarter" || this.displayType=="year") 
	{
		if (arguments.length > 0) 
		{ 
			var year = arguments[0]; 
		}
		else 
		{ 
			if (this.displayType=="year") 
			{	
				var year = now.getFullYear()-this.yearSelectStartOffset; 
			}
			else 
			{ 
				var year = now.getFullYear(); 
			}
		}
		
		if (this.displayType!="year" && this.isShowYearNavigation) 
		{
			result += '<TABLE WIDTH=144 BORDER=0 BORDERWIDTH=0 CELLSPACING=0 CELLPADDING=0>\n';
			result += '<TR BGCOLOR="#C0C0C0">\n';
			result += '	<TD BGCOLOR="#C0C0C0" CLASS="cal" WIDTH=22 ALIGN=CENTER VALIGN=MIDDLE><B><A CLASS="cal" HREF="javascript:'+windowref+'CalendarPopup_refreshCalendar('+this.index+','+(year-1)+');"><<</A></B></TD>\n';
			result += '	<TD BGCOLOR="#C0C0C0" CLASS="cal" WIDTH=100 ALIGN=CENTER>'+year+'</TD>\n';
			result += '	<TD BGCOLOR="#C0C0C0" CLASS="cal" WIDTH=22 ALIGN=CENTER VALIGN=MIDDLE><B><A CLASS="cal" HREF="javascript:'+windowref+'CalendarPopup_refreshCalendar('+this.index+','+(year+1)+');">>></A></B></TD>\n';
			result += '</TR></TABLE>\n';
		}
	}
		
	// Code for MONTH display (default)
	// -------------------------------
	if (this.displayType=="month") 
	{
		// If POPUP, write entire HTML document
		result += '<TABLE WIDTH=120 BORDER=0 CELLSPACING=1 CELLPADDING=0 ALIGN=CENTER>\n';
	
		for (var i=0; i<4; i++) 
		{
			result += '<TR>';
			
			for (var j=0; j<3; j++) 
			{
				var monthindex = ((i*3)+j);
				result += '<TD WIDTH=33% ALIGN=CENTER><A CLASS="textlink" HREF="javascript:'+windowref+this.returnMonthFunction+'('+year+','+(monthindex+1)+');'+windowref+'CalendarPopup_hideCalendar(\''+this.index+'\');" CLASS="'+date_class+'">'+this.monthAbbreviations[monthindex]+'</A></TD>';
			}
			result += '</TR>';
		}
		
		result += '</TABLE></CENTER></TD></TR></TABLE>\n';
	}
	
	// Code for QUARTER display (default)
	// ----------------------------------
	if (this.displayType=="quarter") 
	{
		result += '<BR><TABLE WIDTH=120 BORDER=1 CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER>\n';
		for (var i=0; i<2; i++) 
		{
			result += '<TR>';
			for (var j=0; j<2; j++) 
			{
				var quarter = ((i*2)+j+1);
				result += '<TD WIDTH=50% ALIGN=CENTER><BR><A CLASS="textlink" HREF="javascript:'+windowref+this.returnQuarterFunction+'('+year+','+quarter+');'+windowref+'CalendarPopup_hideCalendar(\''+this.index+'\');" CLASS="'+date_class+'">Q'+quarter+'</A><BR><BR></TD>';
			}
			
			result += '</TR>';
		}
		result += '</TABLE></CENTER></TD></TR></TABLE>\n';
	}

	// Code for YEAR display (default)
	// -------------------------------
	if (this.displayType=="year") 
	{
		var yearColumnSize = 4;
		result += '<TABLE WIDTH=144 BORDER=0 BORDERWIDTH=0 CELLSPACING=0 CELLPADDING=0>\n';
		result += '<TR BGCOLOR="#C0C0C0">\n';
		result += '	<TD BGCOLOR="#C0C0C0" CLASS="cal" WIDTH=50% ALIGN=CENTER VALIGN=MIDDLE><B><A CLASS="cal" HREF="javascript:'+windowref+'CalendarPopup_refreshCalendar('+this.index+','+(year-(yearColumnSize*2))+');"><<</A></B></TD>\n';
		result += '	<TD BGCOLOR="#C0C0C0" CLASS="cal" WIDTH=50% ALIGN=CENTER VALIGN=MIDDLE><B><A CLASS="cal" HREF="javascript:'+windowref+'CalendarPopup_refreshCalendar('+this.index+','+(year+(yearColumnSize*2))+');">>></A></B></TD>\n';
		result += '</TR></TABLE>\n';
		result += '<TABLE WIDTH=120 BORDER=0 CELLSPACING=1 CELLPADDING=0 ALIGN=CENTER>\n';
	
		for (var i=0; i<yearColumnSize; i++) 
		{
			for (var j=0; j<2; j++) 
			{
				var currentyear = year+(j*yearColumnSize)+i;
				result += '<TD WIDTH=50% ALIGN=CENTER><A CLASS="textlink" HREF="javascript:'+windowref+this.returnYearFunction+'('+currentyear+');'+windowref+'CalendarPopup_hideCalendar(\''+this.index+'\');" CLASS="'+date_class+'">'+currentyear+'</A></TD>';
			}
			
			result += '</TR>';
		}
		
		result += '</TABLE></CENTER></TD></TR></TABLE>\n';
	}
	
	// Common
	if (this.type == "WINDOW") 
	{
		result += "</BODY></HTML>\n";
	}
	
	//alert(result);
	
	return result;
}


function hideElement(elmID)
{
							
	for (i = 0; i < document.all.tags(elmID).length; i++)
	{
		obj = document.all.tags(elmID)[i];
		if (! obj || ! obj.offsetParent)
			continue;
		obj.style.visibility = "hidden";
	}
}

function showElement(elmID)
{
	for (i = 0; i < document.all.tags(elmID).length; i++)
	{
		obj = document.all.tags(elmID)[i];
		if (! obj || ! obj.offsetParent)
			continue;
		obj.style.visibility = "";
	}
}


function hideElementUnder(elmID,el){
//return;
							
	for (i = 0; i < document.all.tags(elmID).length; i++)
	{
		obj = document.all.tags(elmID)[i];
		if (! obj || ! obj.offsetParent)
			continue;
		
		if (checkOverlap(el,obj))
			obj.style.visibility = "hidden";
		
		//obj.style.visibility = "hidden";
		
	}
	//alert(el.style.pixelLeft);
}


function checkOverlap(el1, el2){
	if (el1==null || el2==null)
		return false;
		
//	var layerTop = calculate_absolute_Y(el1);
  //  var layerBottom = parseInt(layerTop + el1.clientHeight);
    //var layerRight = calculate_absolute_X(el1); + el1.clientWidth;

    var layerTop = calculate_absolute_Y(el1);// parseInt(el1.style.top)
    var layerBottom = parseInt(layerTop + el1.clientHeight)
    var layerLeft = calculate_absolute_X(el1);
    var layerRight = layerLeft + el1.clientWidth; // + parseInt(el1.style.left) 
			
	var fieldTop = calculate_absolute_Y(el2);
    var fieldBottom = fieldTop + el2.clientHeight;
    var fieldLeft = calculate_absolute_X(el2);
    var fieldRight = fieldLeft + el2.clientWidth;
           
    if ((fieldBottom > layerTop && fieldTop < layerBottom) && (fieldLeft < layerRight && fieldRight > layerLeft)){
        // if any part of this select box is underneath the layer, then hide it!
        //el2.style.visibility = "hidden";        
        
        return true;
    }
	return false;
	//if (el1.style.pixelLeft> (el2.style.pixelLeft+el2.style.pixelWidth)
  }
  


function calculate_absolute_X( theElement )
{
	var xPosition = 0;

	while ( ( theElement != null ))// && ( theElement.id != id ) )
	{
		xPosition += theElement.offsetLeft;
		theElement = theElement.offsetParent;
	}

	return xPosition;
}

function calculate_absolute_Y( theElement )
{
	var yPosition = 0;

//	while ( theElement != null )
	while ( ( theElement != null ))
	{
		yPosition += theElement.offsetTop;
		theElement = theElement.offsetParent;
	}

	return yPosition;
}