/******************************************************************************
** Version 2.6
** Global JavaScript Functions
** LastMod: 02/05/2002   Author: Chris Drake
******************************************************************************
** Change History
******************************************************************************
**	Date		Author			Description
**	----		------			-----------
**	20030513	Al Eardley		Tidied for v3.1
**	20030617	Al Eardley		Changed file from .js to .inc.asp so application variables can be used
******************************************************************************
**	function confirmlogoff(astrRoot)
**	function openViewApplication(aoForm, astrRoot)
**	function openViewCV(aoForm, astrRoot)
**	function openViewEmail(aoForm, astrRoot)
**	function openViewNote(aoForm, astrRoot)
**	function ValidateDate(aintYear, aintMonth, aintDay)
**	function IsEmail(astrEmailAddress)
**	function trim(astrString)
******************************************************************************
**	Archived:
******************************************************************************
**	function zzzloadRolloverImages()
**	function zzzreturnImageObject(n, d)
**	function zzzswapImages()
**	function zzzrestoreImages()
**	function zzzsetStatusBar(astrText)
**	function zzzrefereeConfirmLogoff
******************************************************************************/

/******************************************************************************
**	Confirms logoff before redirecting to logout page
******************************************************************************/
function confirmLogoff(astrRoot) {
	var confirmedLogoff = window.confirm("Do you want to log out?\n\nClick 'OK' to proceed.");	
	if (confirmedLogoff) 
	{
		document.location.href = astrRoot+'/Logout.asp';
		return true;
	}	
}

/******************************************************************************
**	Opens a new window to view an application
******************************************************************************/
function openViewApplication(aoForm, astrRoot) {
	if (document.forms.length > 0) {
		aoForm.target = '_BLANK';
		aoForm.action = astrRoot + '/View/ViewApplication.asp';
		aoForm.submit();
	} else {
		var newWindow;
		newWindow = window.open(astrRoot + '/View/ViewApplication.asp');
		newWindow.focus();
	}
}
/******************************************************************************
**	Opens a new window to view CV
******************************************************************************/
function openViewCV(aoForm, astrRoot) {
	if (document.forms.length > 0) {
		aoForm.target = '_BLANK';
		aoForm.action = astrRoot + '/View/ViewCV.asp';
		aoForm.submit();
	} else {
		var newWindow;
		newWindow = window.open(astrRoot + '/View/ViewCV.asp');
		newWindow.focus();
	}
}
/******************************************************************************
**	Opens a new window to view an e-mail
******************************************************************************/
function openViewEmail(aoForm, astrRoot) {
	if (document.forms.length > 0) {
		aoForm.target = '_BLANK';
		aoForm.action = astrRoot + '/View/ViewEmail.asp';
		aoForm.submit();
	} else {
		alert('Error opening the e-mail for viewing.');
	}
}

/******************************************************************************
**	Opens a new window to view a note
******************************************************************************/
function openViewNote(aoForm, astrRoot) {
	if (document.forms.length > 0) {
		aoForm.target = '_BLANK';
		aoForm.action = astrRoot + '/View/ViewNote.asp';
		aoForm.submit();
	} else {
		alert('Error opening the note for viewing.');
	}
}

/******************************************************************************
**	Validates a date given as a 8 character string
******************************************************************************/

function IsValidDate (strFMode, theDate, blnMandatory) {
	
	var theDay = theDate.substring(6,9);
	var theMonth = theDate.substring(4,6);
	var theYear = theDate.substring(0,4);

	var correctDays		= 0;

	//alert (theDay); 
	//alert (theMonth); 
	//alert (theYear); 	

	if (blnMandatory == false && theDate == "00000000") {
		return true;
	}
	else {

		//Check that all have value other than "00", "00, "0000"
			if (theDay == "00") {
				if (strFMode != "MONTHYEAR") {			
					return false;
				}		
			}
			
			if (theMonth == "00") {
				return false;
			}

			if (theYear == "0000") {
				return false;
			}


		// 30 days has September,April, June and November
		if ((theMonth == 4) || (theMonth == 6)|| (theMonth == 9)|| (theMonth ==11)) {
			correctDays = 30;
		}
		
		else { // All the rest have 31 except February
			if((theMonth == 2)) {	
				if (( theYear % 4 == 0 && theYear % 100 != 0) || theYear % 400 == 0 ) {
					correctDays = 29;
				}
				else {
					correctDays = 28;
				}
			}
			else {
				correctDays = 31;
			}

		}					

		if (theDay > correctDays) {
			return false;
		}

		if (blnMandatory == true && theDate == "00000000") {
			return false;
		}
	return true;
	}

}

/******************************************************************************
**	Validates a date given integer Year, Month & Day
******************************************************************************/
function ValidateDate(aintYear, aintMonth, aintDay) {
	var intCorrectDays		= 0;
	
	if ((aintYear == 0) || (aintMonth == 0) || (aintDay == 0)) {
		return false;
	} else {
		// 30 days has September,April, June and November
		if ((aintMonth == 4) || (aintMonth == 6)|| (aintMonth == 9)|| (aintMonth ==11)) {
			intCorrectDays = 30;
		} else {
			// All the rest have 31 except February
			if((aintMonth == 2)) {		
				if (( aintYear % 4 == 0 && aintYear % 100 != 0) || aintYear % 400 == 0 ) {
					intCorrectDays = 29;
				} else {
					intCorrectDays = 28;
				}
			} else {
				intCorrectDays = 31;
			}
		}
	
		if (aintDay > intCorrectDays) {
			return false;
		}
	
		return true;
	
	}
}

/******************************************************************************
**	Validates an e-mail address for format
******************************************************************************/
function IsEmail(astrEmailAddress) {

	/*var reEMail = /^\S+@\S+\.\S+$/; */ //old version
	var reEMail = /^([a-zA-Z0-9_\-\.]+)@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([a-zA-Z0-9\-]+\.)+))([a-zA-Z]{1,7}|[0-9]{1,3})(\]?)$/;
	return reEMail.test(astrEmailAddress);
}

/******************************************************************************
**	Removes leading and trailing spaces from a string
******************************************************************************/
function trim(astrString) {
	var i;
	var j;
	var strNew;
	var intStartIndex = 0;
	var intFinishIndex = astrString.length;
	var blnFoundChar = false;

	// if the string has a length then
	if (intStartIndex != intFinishIndex) {
		//loop through string from the front counting how many spaces occur before the first character
		for (i = 0; i <= astrString.length - 1; i++) {
			if ((astrString.charAt(i) == ' ') && (blnFoundChar == false)) {
				intStartIndex = i + 1;
			} else {
				blnFoundChar = true;
			}
		}
		
		blnFoundChar = false;
		
		//loop through string from the end counting how many spaces occur before the last character
		for (j = astrString.length - 1; j >= 0; j--) {
			if ((astrString.charAt(j) == ' ') && (blnFoundChar == false)) {
				intFinishIndex = intFinishIndex - 1;
			} else {
				blnFoundChar = true;
			}
		}
	
		strNew = astrString.substr(intStartIndex, intFinishIndex - intStartIndex);
	} else {
		strNew = astrString;
	}
	
	return strNew;
}

/******************************************************************************
**	Approximate word count function; mimics MS Word.
******************************************************************************/
function countWords(strTarget) {
	var arrWords = strTarget.match(/\S+/g);
	if (arrWords) return arrWords.length;
	return 0;
}

/******************************************************************************
**	Returns true if argument is an integer.
******************************************************************************/
function isInteger(intTarget) {
	var reInteger = /^[0-9]+$/;
	return reInteger.test(intTarget);
}

/******************************************************************************
**	Returns true if first date is earlier. Handles dates with or without day.
******************************************************************************/
function isFirstDateEarlier() {
	if (arguments.length == 4) {    // Month1,Year1,Month2,Year2
		if (arguments[1] < arguments[3]) return true;
		if (arguments[1] > arguments[3]) return false;
		if (arguments[0] <= arguments[2]) return true;    // Allows identical months when not using days
		if (arguments[0] > arguments[2]) return false;
	}
	else if (arguments.length == 6) {    // Date1,Month1,Year1,Date1,Month2,Year2
		if (arguments[2] < arguments[5]) return true;
		if (arguments[2] > arguments[5]) return false;
		if (arguments[1] < arguments[4]) return true;
		if (arguments[1] > arguments[4]) return false;
		if (arguments[0] < arguments[3]) return true;
		if (arguments[0] >= arguments[3]) return false;    // Does not allow identical days
	}
	else {
		window.alert("Function isFirstDateEarlier requires 4 or 6 arguments:\n\nd1,m1,y1,d2,m2,y2 or\nm1,y1,m2,y2");
		return false;
	}
}

/******************************************************************************
**	Prevents form from being submitted twice. Used as part of a checkForm
**  function, returns false if run more than once.
******************************************************************************/
function isSubmitted() {
	if (blnSubmitted == true) return true;
	else {
		blnSubmitted = true;
		return false;
	}
}

/******************************************************************************
**	Date validator for Grad Advantage DayMonthYear function
******************************************************************************/
function IsValidDayMonthYear (strFMode, theDate, blnMandatory) {
	
	var theDay = theDate.substring(6,9);
	var theMonth = theDate.substring(4,6);
	var theYear = theDate.substring(0,4);

	var correctDays		= 0;

	//alert (theDay); 
	//alert (theMonth); 
	//alert (theYear); 	

	if (blnMandatory == false && theDate == "00000000") {
		return true;
	}
	else {

		//Check that all have value other than "00", "00", "0000"
			if (theDay == "00") {
				if (strFMode != "MONTHYEAR") {			
					return false;
				}		
			}
			
			if (theMonth == "00") {
				return false;
			}

			if (theYear == "0000") {
				return false;
			}


		// 30 days has September,April, June and November
		if ((theMonth == 4) || (theMonth == 6)|| (theMonth == 9)|| (theMonth ==11)) {
			correctDays = 30;
		}
		
		else { // All the rest have 31 except February
			if((theMonth == 2)) {	
				if (( theYear % 4 == 0 && theYear % 100 != 0) || theYear % 400 == 0 ) {
					correctDays = 29;
				}
				else {
					correctDays = 28;
				}
			}
			else {
				correctDays = 31;
			}

		}					

		if (theDay > correctDays) {
			return false;
		}

		if (blnMandatory == true && theDate == "00000000") {
			return false;
		}
	return true;
	}

}

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/******************************************************************************
**	Loads all images passed as arguments into an image array. Can be run
**	multiple times in a page.
******************************************************************************/
function zzzloadRolloverImages() {
	var d=document;
	if (d.images) {
		if (!d.arrPreloadedImages) d.arrPreloadedImages = new Array();
		var i, j = d.arrPreloadedImages.length, a = preloadRolloverImages.arguments;
		for (i=0; i < a.length; i++) {
			if (a[i].indexOf("#") != 0) {
				d.arrPreloadedImages[j] = new Image;
				d.arrPreloadedImages[j++].src = a[i];
			}
		}
	}
}

/*******************************************************************************
** Returns a reference to an image via the browser's main DHTML object.
*******************************************************************************/
function zzzreturnImageObject(n, d) {
	var p,i,x;
	if (!d) d=document;
	if ((p=n.indexOf("?"))>0&&parent.frames.length) {
		d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);
	}
	if (!(x=d[n])&&d.all) x=d.all[n];
	for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
	for (i=0;!x&&d.layers&&i<d.layers.length;i++) {
		x=returnImageObject(n,d.layers[i].document);
	}
	if (!x && document.getElementById) x = document.getElementById(n);
	return x;
}

/******************************************************************************
**	Swaps images for their rollover, 'on', versions.
******************************************************************************/
function zzzswapImages() {
	var i, j=0, x, a = swapImages.arguments;
	document.arrImages = new Array;
	for (i = 0; i < (a.length - 2); i += 3) {
		if (( x = returnImageObject(a[i]) ) != null) {
			document.arrImages[j++] = x;
			if (!x.oSrc) x.oSrc = x.src;
			x.src = a[i+2];
		}
	}
}

/******************************************************************************
**	Restores images to their original, 'off', versions.
******************************************************************************/
function zzzrestoreImages() {
	var i,x,a=document.arrImages;
	for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

/******************************************************************************
**	Sets the status bar to the text given in the argument. Must return true and
**	and be used as the expression in a return statement.
******************************************************************************/
function zzzsetStatusBar(astrText) {
	window.status = astrText;
	return true;
}

/******************************************************************************
**	
******************************************************************************/
function zzrefereeConfirmLogoff(astrRoot) {
	var confirmedLogoff = window.confirm("Do you want to log out?\n\nClick 'OK' to proceed.");	
	if (confirmedLogoff) 
	{
		document.location.href = astrRoot+'/Referee/Logout.asp';
		return true;
	}	
}