//global 

var intAmtExpYear;

var intAmtAtTodayPr;

var intRateOfPrInc;

var intExpRateOfRet;

var intHeadStart;

var intCurrYear;

var intCurrAge;

var intRetirementAge;

var szName;

var szEmail;

var intAmtAtTodayPr1;

var szPrInc="";

var szExpRateOfReturn="";





function btnSubmit_onclick() {//alert("hello");		

		var result;

		result = true;

		if (result == true) {

			if (btnCalc_onclick() == true) {

					//alert("partha");	

					var intAgeDiff

					var intSavingsTgt

					var intSavPerYr

					var intMonthlySavings

					var intYr1MonthlySavings

					var intcalc1a,intcalc1b,intcalc1c,intcalc1d,intcalc1e,intcalc1f,intcalc1g

					var intI,intJ;



					var dtToday;

					dtToday = new Date();

					intCurrYear = parseInt(dtToday.getFullYear());

					

					intAgeDiff = parseFloat(intAmtExpYear);	//---------

					

					//calculation for savings targets

					intcalc1a = 1 + (parseFloat(intRateOfPrInc) / 100);	//--------

					intcalc1b = Math.pow(intcalc1a,intAgeDiff);

					intSavingsTgt = Math.round((parseFloat(intAmtAtTodayPr)-parseFloat(intHeadStart)) * intcalc1b);	//-----------

					intSavingsTgt1 = Math.round(parseFloat(intAmtAtTodayPr) * intcalc1b);

					//calculation for monthly savings

					intcalc1c = 1 + (parseFloat(intExpRateOfRet) / 100);	//-----------------

					intcalc1d = 0;

					for(intI = 1; intI <= intAgeDiff; intI++) {

						intcalc1d = intcalc1d + Math.pow(intcalc1c,intI);

					}

					intSavPerYr = (intSavingsTgt / intcalc1d);

					intMonthlySavings = (intSavPerYr / 12);

					

					//calculation for monthly savings in Year1

					intcalc1e = 1 + (parseFloat(intExpRateOfRet) / 100);	//---------

					intcalc1f = 1 + (parseFloat(intRateOfPrInc) / 100);		//---------

					intI = 0;

					intcalc1g = 0;

					for(intJ=intAgeDiff; intJ>0 && intI<intAgeDiff; intJ--,intI++) {

						intcalc1g = intcalc1g + ((Math.pow(intcalc1f,intI)) * (Math.pow(intcalc1e,intJ)));

					}

					intYr1MonthlySavings = (intSavingsTgt / intcalc1g) / 12;

					document.frmExpensePlanner.hdnMonthlySavings.value = intMonthlySavings;

					document.frmExpensePlanner.hdnYr1MonthlySavings.value = intYr1MonthlySavings;

					document.frmExpensePlanner.txtTarget.value=intSavingsTgt1;

					//added-----

					document.frmExpensePlanner.txtAmtAtTodayPrice.value=intAmtAtTodayPr1;

					document.frmExpensePlanner.txtHeadStart.value=intHeadStart;

					//----------

					document.frmExpensePlanner.submit();				

			}

			//both validations work

		}

		//result = true

	}

	



	function btnCalc_onclick() {

		

		if (fnValidate1() == true) {//alert("partha");	

			

			//addition for head start

			if(fnTrimString(document.frmExpensePlanner.txtHeadStart.value)=="")	//empty head start

			{

				intHeadStart=0;

				document.frmExpensePlanner.txtHeadStart.value="0";

			}

			else

			{	

				intHeadStart=stripCommas(fnTrimString(document.frmExpensePlanner.txtHeadStart.value));				

			}

			if(fnTrimString(document.frmExpensePlanner.txtRateOfPriceInc.value)=="")	

			{

				intRateOfPrInc=0;

				document.frmExpensePlanner.txtRateOfPriceInc.value="0";

			}

			else

			{	

				intRateOfPrInc=fnTrimString(document.frmExpensePlanner.txtRateOfPriceInc.value);				

			}

			

			return true

		} 

	}



	// Function to check if string is integer.

	function fnCheckNumeric1(strSrc){

		var RE;

		RE=/^[0-9]{1,}$/;

		strSrc = fnTrimString(strSrc);

		if(strSrc != ""){

			if (RE.exec(strSrc) == null)

				return false;

			else

				return true;

		}

		return false;

	}

	function fnCheckNumeric(s)

	{

		

		if(isNaN(fnTrimString(s)))

			return false;

		else

			return true;

	}





	function fnValidate1() {

		var strTemp = "",strTemp1 = "";

		var strAgesOk = "T";	//if ages are ok, to compare them

		var aErrCode = new Array();

		var aErrField = new Array();

		

		var count = -1;

		

		intCurrYear = fnTrimString(document.frmExpensePlanner.txtCurrYear.value);

		intAmtExpYear =fnTrimString(document.frmExpensePlanner.txtAmtExpYear.value);

		//intAmtAtTodayPr = fnTrimString(document.frmExpensePlanner.txtAmtAtTodayPrice.value);

		intAmtAtTodayPr = stripCommas(fnTrimString(document.frmExpensePlanner.txtAmtAtTodayPrice.value));

		intAmtAtTodayPr1 = stripCommas(fnTrimString(document.frmExpensePlanner.txtAmtAtTodayPrice.value));

		intRateOfPrInc = fnTrimString(document.frmExpensePlanner.txtRateOfPriceInc.value);

		intExpRateOfRet = fnTrimString(document.frmExpensePlanner.txtExpRateOfReturn.value);

		//intHeadStart=fnTrimString(document.frmExpensePlanner.txtHeadStart.value);

		intHeadStart=stripCommas(fnTrimString(document.frmExpensePlanner.txtHeadStart.value));

		

		

		if (intAmtAtTodayPr == "") {

			strTemp = strTemp + (isEmpty(strTemp) ? "" : ";") + "1";

		}

		else {

			if (fnCheckNumeric1(intAmtAtTodayPr) == false) {

				strTemp = strTemp + (isEmpty(strTemp) ? "" : ";") + "1";

			}

		}

		if (intAmtExpYear == "") {

			strTemp = strTemp + (isEmpty(strTemp) ? "" : ";") + "2";

		}

		else {

			//-------------------------

			if (parseInt(intAmtExpYear) == 0) {

				strTemp = strTemp + (isEmpty(strTemp) ? "" : ";") + "-3";

			}

			//-------------------------

			if (fnCheckRate1(intAmtExpYear) == false) {

				strTemp = strTemp + (isEmpty(strTemp) ? "" : ";") + "2";

			}

		}

		if (intExpRateOfRet == "") {

			strTemp = strTemp + (isEmpty(strTemp) ? "" : ";") + "3";

		}

		else {

			if (fnCheckRate1(intExpRateOfRet) == false) {

					strTemp = strTemp + (isEmpty(strTemp) ? "" : ";") + "3";

			}

		}

		

		if (intHeadStart != "")

		{

			if (fnCheckNumeric(intHeadStart) == false)

			{

				strTemp = strTemp + (isEmpty(strTemp) ? "" : ";") + "4";

			}

			else	//check for headstart not more than amount

			{

				if (fnCheckNumeric(intAmtAtTodayPr))

				{

					if(parseInt(intHeadStart)>=parseInt(intAmtAtTodayPr))

					{

						strTemp = strTemp + (isEmpty(strTemp) ? "" : ";") + "5";

					}

				}

			}

		}

		if (intRateOfPrInc != "")

		{

			if (fnCheckRate1(intRateOfPrInc) == false)

			{

				strTemp = strTemp + (isEmpty(strTemp) ? "" : ";") + "-2";

			}			

		}

		if (!isEmpty(strTemp)) {

			count++;

		}

		

		if (count == -1) {

			//all data correct

			return true

		}

		else {

			document.frmExpensePlanner.txtError.value=strTemp;

			document.frmExpensePlanner.submit();

		}	

	

	}//function end



	function fnTrimString(strSrc){

		var RE1;

		var RE2;

		var strTrimmedString;

		RE1=/^[\s]{1,}/g;

		RE2=/[\s]{1,}$/g;

		strTrimmedString = (strSrc.replace(RE1,"")).replace(RE2,"");

		return strTrimmedString;

	}

	



	function fnValidate1ForRetirement() {

		var strTemp = "",strTemp1 = ""

		var strAgesOk = "T";	//if ages are ok, to compare them

		var aErrCode = new Array();

		var aErrField = new Array();

		

		var count = -1;

		

		intCurrAge = fnTrimString(document.frmExpensePlanner.txtCurrAge.value);

		intRetirementAge = fnTrimString(document.frmExpensePlanner.txtRetirementAge.value);

		//intAmtAtTodayPr = fnTrimString(document.frmExpensePlanner.txtAmtAtTodayPrice.value);

		intAmtAtTodayPr = stripCommas(fnTrimString(document.frmExpensePlanner.txtAmtAtTodayPrice.value));		

		intAmtAtTodayPr1 = stripCommas(fnTrimString(document.frmExpensePlanner.txtAmtAtTodayPrice.value));		

		intRateOfPrInc = fnTrimString(document.frmExpensePlanner.txtRateOfPriceInc.value);

		intExpRateOfRet = fnTrimString(document.frmExpensePlanner.txtExpRateOfReturn.value);

		//intHeadStart=fnTrimString(document.frmExpensePlanner.txtHeadStart.value);

		intHeadStart=stripCommas(fnTrimString(document.frmExpensePlanner.txtHeadStart.value));

		

		

		if (intAmtAtTodayPr == "") {

			strTemp = strTemp + (isEmpty(strTemp) ? "" : ";") + "1";

		}

		else {

			if (fnCheckNumeric1(intAmtAtTodayPr) == false) {

				strTemp = strTemp + (isEmpty(strTemp) ? "" : ";") + "1";

			}

		}

		

		if (intCurrAge == "") {

			strTemp = strTemp + (isEmpty(strTemp) ? "" : ";") + "2";

		}

		else {

			if (fnCheckNumeric(intCurrAge) == false) {

				strTemp = strTemp + (isEmpty(strTemp) ? "" : ";") + "2";

			}

		}

		if (intRetirementAge == "") {

			strTemp = strTemp + (isEmpty(strTemp) ? "" : ";") + "3";

		}

		else {

			if (fnCheckNumeric(intRetirementAge) == false) {

				strTemp = strTemp + (isEmpty(strTemp) ? "" : ";") + "3";

			}

		}

		if (intExpRateOfRet == "") {

			strTemp = strTemp + (isEmpty(strTemp) ? "" : ";") + "4";

		}

		else {

			if (fnCheckRate1(intExpRateOfRet) == false) {

				strTemp = strTemp + (isEmpty(strTemp) ? "" : ";") + "4";

			}

		}

		

		if (intHeadStart != "")

		{

			if (fnCheckNumeric(intHeadStart) == false)

			{

				strTemp = strTemp + (isEmpty(strTemp) ? "" : ";") + "5";

			}			

		}

		if(fnCheckNumeric(intRetirementAge) && fnCheckNumeric(intCurrAge))

		{

			//check for age difference

			if((parseFloat(intRetirementAge)-parseFloat(intCurrAge))<=0.)

			{

				strTemp = strTemp + (isEmpty(strTemp) ? "" : ";") + "6";

			}

		}

		if (intRateOfPrInc != "")

		{

			if (fnCheckRate1(intRateOfPrInc) == false)

			{

				strTemp = strTemp + (isEmpty(strTemp) ? "" : ";") + "-2";

			}			

		}

		if (!isEmpty(strTemp)) {

			count++;			

		}

		

		if (count == -1) {

			//all data correct

			return true

		}

		else {

			document.frmExpensePlanner.txtError.value=strTemp;

			document.frmExpensePlanner.submit();

		}	//alert("partha");

	

	}//function end



	function btnSubmit_onclickForRetirement() {

		var result;

		result = true;

		

		if (result == true) {

			if (btnCalc_onclickForRetirement() == true) {

					//alert("partha");	

					var intAgeDiff

					var intSavingsTgt

					var intSavPerYr

					var intMonthlySavings

					var intYr1MonthlySavings

					var intcalc1a,intcalc1b,intcalc1c,intcalc1d,intcalc1e,intcalc1f,intcalc1g

					var intI,intJ

					

					var dtToday;

					dtToday = new Date();

					intCurrYear = parseInt(dtToday.getFullYear());

					

					intAgeDiff = parseFloat(intRetirementAge)-parseFloat(intCurrAge);	//------------------

					if(intAgeDiff>100)

					{

						var strTemp = "";

						strTemp += (isEmpty(strTemp) ? "" : ";") + "8";

						document.frmExpensePlanner.txtError.value=strTemp;

						document.frmExpensePlanner.submit();

					}

									

					//new code for retirement

					//Calculating the money required from the monthly requirement entered:

					//var intARate = 9.5;

					var intARate = parseFloat(intExpRateOfRet);

					//Annualised Rate of return [R]

					//calculation for retirement target

					//Multiply x by 12 for yearly amount

					//12 * x = P*R*T/100 => P = 12 * x * 100 / R*T

					//[P = (12 * intAmtAtTodayPr * 100) / (9.5 * 1year)]

					

					//validation that head start amount is enough

					//amount required per month when retiring at that day's price

					var dAmtPerMonthAtRetirement=parseFloat(intAmtAtTodayPr)*Math.pow((1.+(parseFloat(intRateOfPrInc)/100.)),intAgeDiff);	//--------

					//amount that head start amount will be at that time

					var dAmtHeadStartWillBeAtRetirement=parseFloat(intHeadStart)*Math.pow((1.+(parseFloat(intExpRateOfRet)/100.)),intAgeDiff);	//--------

					

					if(dAmtHeadStartWillBeAtRetirement>=dAmtPerMonthAtRetirement/(parseFloat(intARate)/(100.*12.)))

					{

						var strTemp = "";

						strTemp += (isEmpty(strTemp) ? "" : ";") + "7";

						document.frmExpensePlanner.txtError.value=strTemp;

						document.frmExpensePlanner.submit();

					}

						



					var intAmount;

					intAmount = Math.round((parseFloat(intAmtAtTodayPr) * 12 * 100) / parseFloat(intARate))	//-------------

					intAmtAtTodayPr = intAmount-parseFloat(intHeadStart);		//--------------

					intcalc1a = 1 + (parseFloat(intRateOfPrInc) / 100.);

					intcalc1b = Math.pow(intcalc1a,intAgeDiff);

					intSavingsTgt = Math.round(intAmtAtTodayPr * intcalc1b);



					//calculation for savings targets

					/*intcalc1a = 1 + (intRateOfPrInc / 100);

					intcalc1b = Math.pow(intcalc1a,intAgeDiff);

					intSavingsTgt = Math.round(intAmtAtTodayPr * intcalc1b);*/

					

					//calculation for monthly savings					

					intcalc1c = 1 + (parseFloat(intExpRateOfRet) / 100.);

					intcalc1d = 0;

					for(intI = 1; intI <= intAgeDiff; intI++) {

						intcalc1d = intcalc1d + Math.pow(intcalc1c,intI);

					}

					intSavPerYr = (intSavingsTgt / intcalc1d);

					intMonthlySavings = (intSavPerYr / 12);

				

					//calculation for monthly savings in Year1

					intcalc1e = 1 + (parseFloat(intExpRateOfRet) / 100.);

					intcalc1f = 1 + (parseFloat(intRateOfPrInc) / 100.);

					intI = 0;

					intcalc1g = 0;

					for(intJ=intAgeDiff; intJ>0 && intI<intAgeDiff; intJ--,intI++) {

						intcalc1g = intcalc1g + ((Math.pow(intcalc1f,intI)) * (Math.pow(intcalc1e,intJ)));

					}

					intYr1MonthlySavings = (intSavingsTgt / intcalc1g) / 12;

					document.frmExpensePlanner.hdnMonthlySavings.value = intMonthlySavings;

					document.frmExpensePlanner.hdnYr1MonthlySavings.value = intYr1MonthlySavings;

					//document.frmExpensePlanner.txtTarget.value=intSavingsTgt;

					document.frmExpensePlanner.txtTarget.value=dAmtPerMonthAtRetirement;

					document.frmExpensePlanner.txtWorkingLife.value=intAgeDiff;

					//added-----

					document.frmExpensePlanner.txtAmtAtTodayPrice.value=intAmtAtTodayPr1;

					document.frmExpensePlanner.txtHeadStart.value=intHeadStart;

					//----------					

					document.frmExpensePlanner.submit();	

					





			}

			//both validations work

		}

		//result = true

	}



	function btnCalc_onclickForRetirement() {

		

		if (fnValidate1ForRetirement() == true) {

			

			//addition for head start

			if(document.frmExpensePlanner.txtHeadStart.value=="")	//empty head start

			{

				intHeadStart=0;

				document.frmExpensePlanner.txtHeadStart.value="0";

			}

			else

			{	

				intHeadStart=stripCommas(fnTrimString(document.frmExpensePlanner.txtHeadStart.value));				

			}

			if(fnTrimString(document.frmExpensePlanner.txtRateOfPriceInc.value)=="")	

			{

				intRateOfPrInc=0;

				document.frmExpensePlanner.txtRateOfPriceInc.value="0";

			}

			else

			{	

				intRateOfPrInc=fnTrimString(document.frmExpensePlanner.txtRateOfPriceInc.value);				

			}

			return true

		} //if data correct

		

	}

	function trapkeystrokeforamount()

	{

		var ke=event.keyCode;

		if(!(ke>=48 && ke<=57) && ke!=44)

		{

			event.keyCode=0;

			return;

		}

		

	}

	function trapkeystrokens6foramount(e)

	{

		var ke = e.which;

		

		if(!(ke>=48 && ke<=57) && ke!=8 && ke!=44 && ke!=0)	//0 for back/ahead keys

		{

			return false;

		}

	}

	function trapkeystroke()

	{

		var ke=event.keyCode;

		if(!(ke>=48 && ke<=57))

		{

			event.keyCode=0;

			return;

		}

		

	}

	function trapkeystrokens6(e)

	{

		var ke = e.which;

		//same logic as trapkeystroke followed

		if(!(ke>=48 && ke<=57) && ke!=8 && ke!=0)

		{

			return false;

		}

	}

	function stripCommas(str)

	{

		var strReturn=str;

		var index;

		while((index=strReturn.indexOf(","))!=-1)

		{

			strReturn=strReturn.substring(0,index)+strReturn.substring(index+1);

		}

		return strReturn;

	}



	function allowNumbers(s)

	{

		var szKey=String.fromCharCode(event.keyCode);

		var szTotal=s+szKey;

		//alert(szTotal);

		if(szTotal=="-")

			return;

		if(!fnCheckNumeric(fnTrimString(szTotal)))

		{

			event.keyCode=0;

			return;

		}

		if(parseFloat(szTotal)>100.)

		{

			event.keyCode=0;

			return;

		}

	}

	function allowNumbersku1(s)

	{

		//alert("szPrInc="+szPrInc);

		//alert("s="+s);



		if(!fnCheckNumeric(fnTrimString(s)))

		{

			document.frmExpensePlanner.txtRateOfPriceInc.value=szPrInc;

			return;

		}

		var i;

		if((i=s.indexOf("."))!=-1)

		{

			var szAfterDecimal=s.substring(i+1);

			if(szAfterDecimal.length>2)

			{

				document.frmExpensePlanner.txtRateOfPriceInc.value=szPrInc;

				return;

			}			

		}

		if(parseFloat(s)>100. || parseFloat(s)<0.)

		{

			document.frmExpensePlanner.txtRateOfPriceInc.value=szPrInc;

			return;

		}

		else

			szPrInc=document.frmExpensePlanner.txtRateOfPriceInc.value;		

	}



	function allowNumbersku2(s)

	{

		if(!fnCheckNumeric(fnTrimString(s)))

		{

			document.frmExpensePlanner.txtExpRateOfReturn.value=szExpRateOfReturn;

			return;

		}

		var i;

		if((i=s.indexOf("."))!=-1)

		{

			var szAfterDecimal=s.substring(i+1);

			if(szAfterDecimal.length>2)

			{

				document.frmExpensePlanner.txtExpRateOfReturn.value=szExpRateOfReturn;

				return;

			}			

		}

		if(parseFloat(s)>100. || parseFloat(s)<0.)

		{

			document.frmExpensePlanner.txtExpRateOfReturn.value=szExpRateOfReturn;

			return;

		}

		else

			szExpRateOfReturn=document.frmExpensePlanner.txtExpRateOfReturn.value;

		

	}