// Page Name:		Common.js
// Description:		Include member of common javascript functions for all pages to use as necessary
// Modifications:
//	Date		Programmer		Description
//  --------	--------------	-------------------------------------------------------------
//  10/22/02	Tim Stalter		New 
//  04/17/03    Tim Stalter     Modified for Netscape 6 changes (layers are no longer used.
//  07/01/03    Tim Stalter     New function setHourglass().
//  08/28/03    Tim Stalter     Added setScrollMax().
//  09/03/03    Tim Stalter     Modified openDialog for latest version of browsers
//  06/04/04    Bill Plumstead	New function processURL().
//  07/09/04	Tim Stalter		New function openLeaveLink().
//  02/21/05	Bill Plumstead	Added global variable sDateFormat and modified EditDate / EditDateTime
//								functions to support mm/dd/yyyy or dd/mm/yyyy format
//	02/28/05	Bill Plumstead	Modified processURL call to setMessage function if sFunction is not populated
//  10/11/05	Tim Stalter		Only allow a date format of mm/dd/yyyy "-" separators are no longer valid
//  02/13/05	John Ross Segui	Added ec: tag to retrieve language translation
//  03/08/06    Tim Stalter		Added getURL, used by issue detail to return owner selection list.
//Determine Browser
var isNS4 = (document.layers) ? true : false;
var isIE4 = (document.all && !document.getElementById) ? true : false;
var isIE5 = (document.all && document.getElementById) ? true : false;
var isNS6 = (!document.all && document.getElementById) ? true : false;

//Blinking Message variables
var iBlinkTimer = 0;		//timer for blinking message
var iBlinkCount = 0;        //counter for number of blinks

//LeaveLink window
var winLeaveLink = null;

//Absence Mgt window
var winAbsenceMgt = null;

//Message (email) window
var winMessage = null;

//Authoria window
var winAuthoriaLink = null;

//Default Date Format
var sDateFormat = "MM/DD/YYYY";

//Returns TRUE if date is valid ---------------------------------------------------------------
function EditDate(sDate, sCur, bRequired, bFutureDtAllowed, bPastDtAllowed){
	sDateMsg = "";
	
	if (sDate.length == 0 && bRequired){
		sDateMsg = "Date is required  ";
		return(false);
	}
	
	if (sDate.length == 0)
		return(true);

	// Checks for the following valid date formats: MM/DD/YYYY
	var datePat = /^(\d{1,2})(\/)(\d{1,2})\2(\d{4})$/;
	var matchArray = sDate.match(datePat);
	if (matchArray == null){
		sDateMsg = "Date must be in " + sDateFormat + " " + "format  ";
		return(false);
	}
	
	// parse date into variables
	var month = ((sDateFormat.substring(0,2) == "DD")?matchArray[3]:matchArray[1]); 
	var day = ((sDateFormat.substring(0,2) == "DD")?matchArray[1]:matchArray[3]);
	var year = matchArray[4];
	if (month < 1 || month > 12){
		sDateMsg = "Date has invalid month  " + "(" + month + ")";
		return(false);
	}
	if (day < 1 || day > 31){
		sDateMsg = "Date has invalid day " + "(" + day + ")";
		return(false);
	}
	if ((month==4 || month==6 || month==9 || month==11) && day==31){
		sDateMsg = "Date has invalid day " + "(" + day + ")";
		return(false);
	}
	if (month == 2) { // check for february 29th
		var isleap = (year % 4 == 0 && (year % 100 != 0 || year % 400 == 0));
		if (day>29 || (day==29 && !isleap)){
			sDateMsg = "Date has invalid day " + "(" + day + ")";
			return(false);
		}
	}
	
	if (year < 1902){
		sDateMsg = "Date has invalid year  " + "(" + year + ")";
		return(false);
	}

//	var dDate = new Date(sDate);
//	var	dCur = new Date(sCur);	

	//Create date variable for sDate and sCur based on sDateFormat	
	//*******************************	
	matchArray = sDate.match(datePat);
	month = ((sDateFormat.substring(0,2) == "DD")?matchArray[3]:matchArray[1]); 
	day = ((sDateFormat.substring(0,2) == "DD")?matchArray[1]:matchArray[3]);
	year = matchArray[4];
	//*******************************	
	var dDate = new Date(year,month,day);
	//*******************************	
	matchArray = sCur.match(datePat);
	month = ((sDateFormat.substring(0,2) == "DD")?matchArray[3]:matchArray[1]); 
	day = ((sDateFormat.substring(0,2) == "DD")?matchArray[1]:matchArray[3]);
	year = matchArray[4];
	//*******************************	
	var	dCur = new Date(year,month,day);

	if (dDate.getFullYear() < 1902){
		sDateMsg = "Date has invalid year " + "(" + dDate.getFullYear() + ")";
		return(false);
	}

	if (!bFutureDtAllowed && (dCur.getFullYear() < dDate.getFullYear() || (dCur.getFullYear() == dDate.getFullYear() && dCur.getMonth() < dDate.getMonth()) || (dCur.getFullYear() == dDate.getFullYear() && dCur.getMonth() == dDate.getMonth() && dCur.getDate() < dDate.getDate()))){
		sDateMsg = "Date may not be a future date ";
		return(false);
	}

	if (!bPastDtAllowed && (dCur.getFullYear() > dDate.getFullYear() || (dCur.getFullYear() == dDate.getFullYear() && dCur.getMonth() > dDate.getMonth()) || (dCur.getFullYear() == dDate.getFullYear() && dCur.getMonth() == dDate.getMonth() && dCur.getDate() > dDate.getDate()))){
		sDateMsg = "Date may not be a past date";
		return(false);
	}
	
	return(true);	
}

//Returns TRUE if datetime is valid ---------------------------------------------------------------
function EditDateTime(sDateTime, sCur, bRequired, bFutureDtAllowed, bPastDtAllowed){
	
	sDateMsg = "";
	
	if (sDateTime.length == 0 && bRequired){
		sDateMsg = "Date is required  ";
		return(false);
	}	
		
	if (sDateTime.length == 0)
		return(true);

	var sDate;
	var sTime;
	var sDTArray = sDateTime.split(' ');
	
	if (sDTArray.length != 2){
		sDateMsg = "Date must be in " + sDateFormat + " HH24:MI";
		return(false);
	}
	
	sDate = sDTArray[0];
	sTime = sDTArray[1];
		
	// *** Validate Date Section ***
	if (sDate.length == 0 && bRequired){
		sDateMsg = "Date is required  ";
		return(false);
	}
	
	if (sDate.length == 0)
		return(true);

	// Checks for the following valid date formats: MM/DD/YYYY
	var datePat = /^(\d{1,2})(\/)(\d{1,2})\2(\d{4})$/;
	var matchArray = sDate.match(datePat);
	if (matchArray == null){
		sDateMsg = "Date must be in " + sDateFormat + " " + "format  ";
		return(false);
	}
	
	// parse date into variables
	var month = ((sDateFormat.substring(0,2) == "DD")?matchArray[3]:matchArray[1]); 
	var day = ((sDateFormat.substring(0,2) == "DD")?matchArray[1]:matchArray[3]);
	var year = matchArray[4];
	if (month < 1 || month > 12){
		sDateMsg = "Date has invalid month  " + "(" + month + ")";
		return(false);
	}
	if (day < 1 || day > 31){
		sDateMsg = "Date has invalid day " + "(" + day + ")";
		return(false);
	}
	if ((month==4 || month==6 || month==9 || month==11) && day==31){
		sDateMsg = "Date has invalid day " + "(" + day + ")";
		return(false);
	}
	if (month == 2) { // check for february 29th
		var isleap = (year % 4 == 0 && (year % 100 != 0 || year % 400 == 0));
		if (day>29 || (day==29 && !isleap)){
			sDateMsg = "Date has invalid day " + "(" + day + ")";
			return(false);
		}
	}
	
//	var dDate = new Date(sDate);
//	var	dCur = new Date(sCur);	

	//Create date variable for sDate and sCur based on sDateFormat	
	//*******************************	
	matchArray = sDate.match(datePat);
	month = ((sDateFormat.substring(0,2) == "DD")?matchArray[3]:matchArray[1]); 
	day = ((sDateFormat.substring(0,2) == "DD")?matchArray[1]:matchArray[3]);
	year = matchArray[4];
	//*******************************	
	var dDate = new Date(year,month,day);
	//*******************************	
	matchArray = sCur.match(datePat);
	month = ((sDateFormat.substring(0,2) == "DD")?matchArray[3]:matchArray[1]); 
	day = ((sDateFormat.substring(0,2) == "DD")?matchArray[1]:matchArray[3]);
	year = matchArray[4];
	//*******************************	
	var	dCur = new Date(year,month,day);
	if (dDate.getFullYear() < 1902){
		sDateMsg = "Date has invalid year " + "(" + dDate.getFullYear() + ")";
		return(false);
	}

	if (!bFutureDtAllowed && (dCur.getFullYear() < dDate.getFullYear() || (dCur.getFullYear() == dDate.getFullYear() && dCur.getMonth() < dDate.getMonth()) || (dCur.getFullYear() == dDate.getFullYear() && dCur.getMonth() == dDate.getMonth() && dCur.getDate() < dDate.getDate()))){
		sDateMsg =  "Date may not be a future date "
		return(false);
	}

	if (!bPastDtAllowed && (dCur.getFullYear() > dDate.getFullYear() || (dCur.getFullYear() == dDate.getFullYear() && dCur.getMonth() > dDate.getMonth()) || (dCur.getFullYear() == dDate.getFullYear() && dCur.getMonth() == dDate.getMonth() && dCur.getDate() > dDate.getDate()))){
		sDateMsg = "Date may not be a past date";
		return(false);
	}
	
	// *** Validate Time Section ***
	var timePat = /^([01]?[0-9]|[2][0-3])(:[0-5][0-9])$/;
	marchArray = "";
	matchArray = sTime.match(timePat);
	if (matchArray == null){
		sDateMsg = "Time must be in  " + " HH24:MI " + "format  ";
		return(false);
	}
	
	return(true);	
}

//Returns true if any form value has changed --------------------------------------------------
function FormChanged(oForm){
	for (i=0; i < (oForm.length); i++){
		if (oForm[i].name.substring(0,3) == "txt" || oForm[i].name.substring(0,3) == "tar" || oForm[i].name.substring(0,3) == "pwd"){
			if (oForm[i].value != oForm[i].defaultValue){
				return(true);
			}
		}
		else if (oForm[i].name.substring(0,3) == "chk" || oForm[i].name.substring(0,3) == "rdo"){
			if (oForm[i].checked != oForm[i].defaultChecked){
				return(true);
			}
		}
		else if (oForm[i].name.substring(0,3) == "sel"){
			for (s=0; s < (oForm[i].length); s++){
				if (oForm[i].options[s].selected != oForm[i].options[s].defaultSelected){
					return(true);
				}
			}
		}
	}
	return(false);
}

//Write message to message line and locate window to top -----------------------------------
function setMessage(sMessage){
	if (sMessage == null){
		if (parent.frames["bottom"].sMessage == null){
			sMessage = "";
		}
		else {
			sMessage = parent.frames["bottom"].sMessage;
		}
	}

	if (topframe.document.getElementById("tdMsg") != null){
		topframe.document.getElementById("tdMsg").innerHTML = sMessage;
	
		if (sMessage.length > 85) {
			alert(sMessage);
		}
		if (sMessage.length > 0 && isIE5){
			clearInterval(iBlinkTimer);
			iBlinkCount = 0;
			iBlinkTimer = setInterval("blinkMessage()",500);
		}
	}
}

//blink the message several times to get their attention -----------------------------------
function blinkMessage(){
	//frames["topframe"].tdMsg.style.visibility = frames["topframe"].tdMsg.style.visibility == "" ? "hidden" : "";
	frames["topframe"].trMsg.bgColor = frames["topframe"].trMsg.bgColor == "" ? "yellow" : "";
	if (iBlinkCount++ > 5){
		frames["topframe"].trMsg.bgColor = "";
		iBlinkCount = 0;
		clearInterval(iBlinkTimer);
	}
		
}


//Set Breadcrumb message ------------------------------------------------------------------------------------------
function setBreadCrumb(){
	if (topframe.document.getElementById("tdBreadCrumb") == null)
		return;

	if (bottom.sBreadCrumb == null)
		var sBreadCrumb = "";
	else
		var sBreadCrumb = bottom.sBreadCrumb;

	topframe.document.getElementById("tdBreadCrumb").innerHTML = sBreadCrumb;

	if (topframe.document.body != null)
		topframe.document.body.style.cursor = "default";
	
}


//Set Note Required message ---------------------------------------------------------------------------------------
function setNoteReq(){
	if (topframe.document.getElementById("tdNoteReq") == null)
		return;

	if (parent.frames["bottom"].sNoteReq == null)
		var sNoteReq = "";
	else
		var sNoteReq = parent.frames["bottom"].sNoteReq;

	topframe.document.getElementById("tdNoteReq").innerHTML = sNoteReq;
}


//Common edit before saving ------------------------------------------------------------------
function SaveEdit(sFrmName){
	if (isIE5 && parent.frames["bottom"].event != null) parent.frames["bottom"].event.returnValue = false;

	oForm = parent.frames["bottom"].document.forms[sFrmName];
	if (!FormChanged(oForm)){
		setMessage("No changes have been made  ");
		return(false);
	}
	oForm.submit();
	setHourglass();
	return(true);
}

//confirm box before deleting ------------------------------------------------------------------
function DeleteEdit(sMessage, sUrl){
	sMessage = "Are you sure you want to delete  " + " " + sMessage;
	if (confirm(sMessage)){
		parent.frames["bottom"].location = sUrl;
		return(true);
	}else{
		return(false);
	}
}

//Returns the value of a cookie------------------------------------------------------------
function getCookie(name) {
	var arg = name + "=";
	var alen = arg.length;
	var clen = document.cookie.length;
	var i = 0;
	while (i < clen) {
		var j = i + alen;
		if (document.cookie.substring(i, j) == arg)
		return getCookieVal (j);
		i = document.cookie.indexOf(" ", i) + 1;
		if (i == 0)
		break;
	}
	return null;
}
function getCookieVal(offset) {  
	var endstr = document.cookie.indexOf (";", offset);  
	if (endstr == -1)    
		endstr = document.cookie.length;  
		return unescape(document.cookie.substring(offset, endstr));
}

//Deletes cookie --------------------------------------------------------------------------
function deleteCookie(name) {  
	var exp = new Date();  
	exp.setTime (exp.getTime() - 1);  
	document.cookie = name + "=; expires=" + exp.toGMTString() + "; path=/";
}

// remove leading and trailing spaces and special characters ------------------------------
function Trim(sValue){
	
	// Remove special characters
	sValue = sValue.replace(/\"|\||\^/g,"");	//Remove all " and | and ^

	// Remove Leading Spaces
	while('' + sValue.charAt(0) == ' '){
		sValue = sValue.substring(1,sValue.length);
	}
    // Remove Trailing Spaces
	while('' + sValue.charAt(sValue.length - 1) == ' '){
		sValue = sValue.substring(0,sValue.length-1);
	}
	
	return(sValue);
}

//numeric check -------------------------------------------------------------------
function IsNumeric(sValue){
   var rNumbers = /\D/gi;
   return(!rNumbers.test(sValue));
}

// currency check (removes "$", ",", and "." before checking for numeric ------------------------------
function isCurrency(sValue) {
	var re = /\$|\,|\./g;
	return(IsNumeric(sValue.replace(re, "")));
}

// turn hourglass on --------------------------------------------------------------------------
function setHourglass() {
	if (topframe.document.getElementById("tdMsg") != null)
		topframe.document.getElementById("tdMsg").innerHTML = "Please Wait ... ";   		
	if (topframe.document.body != null)
		topframe.document.body.style.cursor = "wait";
	if (bottom.document.body != null)
		bottom.document.body.style.cursor = "wait";
}

// Set the ScrollMax _--------------------------------------------------------------------------
function setScrollMax(sPage, sDefault) {
	var sMax = "a";
	var sMessage = "Enter the maximum number of rows you would like displayed  ";
	
	while(!IsNumeric(sMax)){
		sMax = prompt(sMessage, sDefault);
		if (sMax.length == 0) return;
		if (!IsNumeric(sMax))
			alert("Your input must be numeric ");
	}
	
	parent.frames["bottom"].location = sPage + "&scrollmax=" + sMax;
}

//Open the dialog box given a ULR --------------------------------------------------------------
function openDialog(sURL, iWidth, iHeight) {

	if (window.showModalDialog) {
// used for testing		window.open(sURL);
		sReturn = window.showModalDialog(sURL,window,'dialogHeight:' + iHeight + 'px;' +
			'dialogWidth:' + iWidth + 'px;' +
			'center:yes;status:no');
	} else {
		// Center on the main window.
		var iLeft = window.screenX + ((window.outerWidth - iWidth) / 2);
		var iTop = window.screenY + ((window.outerHeight - iHeight) / 2);
		var attr = "screenX=" + iLeft + 
		   ",screenY=" + iTop + ",resizable=no,width=" + iWidth + ",height=" + iHeight + ",scrollbars=yes,modal=yes"
		window.open(sURL, 'DialogBox', attr)
	}
}

//send a URL through HTTPRequest object and check the return for SUCCESSFUL ---------------------------------------
function processURL(sURL, sSearch, sFunction) {
	setHourglass();
	var oHTTP = new ActiveXObject("MSXML2.XMLHTTP");
	oHTTP.Open("Get", sURL, false);
	oHTTP.send();
	
	//Check for page success
	if (oHTTP.responsetext.indexOf(sSearch) > -1){
		if (sFunction.length > 0){
			setMessage(sFunction + " " + "Successful  ");
		} else {
			setMessage("");
		}
	} else {
		if (sFunction != null){
			setMessage("ERROR: " + sFunction + " " + "Failed  ");
			//alert(oHTTP.responsetext);
		}
	}

	oHTTP=null;
	resetHourglass();	
}

//get a URL through HTTPRequest object ------------------------------------------------------
function getURL(sURL) {
	var oHTTP = new ActiveXObject("MSXML2.XMLHTTP");
	oHTTP.Open("Get", sURL, false);
	oHTTP.send();
	sResponse = oHTTP.responsetext;
	oHTTP=null;
	return sResponse;
}


function resetHourglass(){
	if (topframe.document.body != null)
		topframe.document.body.style.cursor = "default";
	if (bottom.document.body != null)		
		bottom.document.body.style.cursor = "default";			
}



//Open a window to LeaveLink if one is not already open -------------------------------------------------------
function openLeaveLink(sPartid, sLeavelinkid) {
	var sURL = "run?page=pages.LeaveLink&id=" + sPartid + "&leavelinkid=" + sLeavelinkid;

	if (winLeaveLink && !winLeaveLink.closed && !winLeaveLink.closed){
		if (confirm("LeaveLink window already open.  Do you wish to continue "))
			winLeaveLink.location=sURL;
		winLeaveLink.focus();
	}else{
		winLeaveLink=open(sURL,"LLWindow","height=500,width=650,menubar=no,toolbar=no,status=yes,location=no,resizable=yes,scrollbars=yes");
	}
	
}

//Open a window to Absence Mgt if one is not already open -------------------------------------------------------
function openAbsenceMgt(sPartid, AbsenceMgtApp) {
	var sURL = "run?page=pages." + AbsenceMgtApp + "&id=" + sPartid;

	if (winAbsenceMgt && !winAbsenceMgt.closed && !winAbsenceMgt.closed){
		if (confirm("LeaveLink window already open.  Do you wish to continue "))
			winAbsenceMgt.location=sURL;
		winAbsenceMgt.focus();
	}else{
		winAbsenceMgt=open(sURL,AbsenceMgtApp + "Window","height=500,width=650,menubar=no,toolbar=no,status=yes,location=no,resizable=yes,scrollbars=yes");
	}
	
}

//Open a window to messages if one is not already open -------------------------------------------------------
function openMessage(sURL) {
	if (winMessage && !winMessage.closed && !winMessage.closed){
		winMessage.location=sURL;
		winMessage.navigate(sURL);
		winMessage.location.reload();
		winMessage.focus();
	}else{
		winMessage=null;
		winMessage=open(sURL,"MessageWindow","height=500,width=650,menubar=no,toolbar=no,status=yes,location=no,resizable=yes,scrollbars=yes");
		winMessage.location.reload();
		winMessage.focus();		
	}

}


//Open a window to Authoria if one is not already open -------------------------------------------------------
function openAuthoriaLink(sURL) {
	if (winAuthoriaLink && !winAuthoriaLink.closed && !winAuthoriaLink.closed){
		winAuthoriaLink.focus();
		winAuthoriaLink.location=sURL;
	}else{
		winAuthoriaLink=null;
		winAuthoriaLink=open(sURL,"AuthoriaWindow","height=500,width=650,menubar=no,toolbar=no,status=yes,location=no,resizable=yes,scrollbars=yes");
	}
}