function PopUpPrint () {
	var input_string = "";
	if (CalQualAmt()) {
		input_string = "loanqualifier_calc_displaycertificate_frame.asp";
		input_string = input_string + "?IncOne=" +  document.getElementById('qualify').IncOne.value;
		input_string = input_string + "&IncTwo=" +  document.getElementById('qualify').IncTwo.value;
		input_string = input_string + "&OthInc=" +  document.getElementById('qualify').OthInc.value;
		input_string = input_string + "&RentInc=" +  document.getElementById('qualify').RentInc.value;
		input_string = input_string + "&income1=" +  document.getElementById('qualify').income1.options[ document.getElementById('qualify').income1.selectedIndex].text;
		input_string = input_string + "&income2=" +  document.getElementById('qualify').income2.options[ document.getElementById('qualify').income2.selectedIndex].text;
		input_string = input_string + "&incomeother=" +  document.getElementById('qualify').incomeother.options[ document.getElementById('qualify').incomeother.selectedIndex].text;
		input_string = input_string + "&incomerental=" +  document.getElementById('qualify').incomerental.options[ document.getElementById('qualify').incomerental.selectedIndex].text;
		input_string = input_string + "&Applicants=" + returnRadioValue( document.getElementById('qualify').Applicants);
		input_string = input_string + "&HomeLoan=" +  document.getElementById('qualify').HomeLoan.value;
		input_string = input_string + "&OthLoan=" +  document.getElementById('qualify').OthLoan.value;
		input_string = input_string + "&CardLim=" +  document.getElementById('qualify').CardLim.value;
		input_string = input_string + "&NumbDep=" +  document.getElementById('qualify').NumbDep.value;
		input_string = input_string + "&IntRate=" +  document.getElementById('qualify').IntRate.value;
		input_string = input_string + "&TermYear=" +  document.getElementById('qualify').TermYear.value;
		input_string = input_string + "&TermMonth=" +  document.getElementById('qualify').TermMonth.value;
		input_string = input_string + "&LoanAmt=" +  document.getElementById('qualify').LoanAmt.value;
		input_string = input_string + "&loanType=" + returnRadioValue( document.getElementById('qualify').loanType);

		window.open(input_string,'certificate','width=640,height=600,scrollbars=yes,resizable=yes,screenX=0,screenY=0,left=0,top=0');
	}
}


function returnRadioValue(sFieldName) {
	var cFields = sFieldName;

	for (x = 0; x < cFields.length; x++) {
		if (cFields[x].checked) {
			return cFields[x].value;
			break;
		}
	}

	return null;
}


function checkEnter(pfield, pname) {
    var field = pfield.value
    var msg
    var status = true

    if (field.length == 0) {
        msg = "El campo '" + pname + "' debe ser ingresado."
        alert(msg)
        status = false
    }

    return status
}

function checkNumberofApplicants(pfield, pname) {
    var field = returnRadioValue(pfield)
    var msg
    var status = true

    if ((field == 2) && ( document.getElementById('qualify').IncTwo.value.length==0)) {
        msg = "Si Usted tiene conyuge. debe ingresar los ingresos que percibe en el campo 'Ingresos del Conyuge'."
        alert(msg)
        status = false
    }

    if ((field == 1) && (ParseDollar( document.getElementById('qualify').IncTwo.value)>0)) {
        msg = "Si usted es soltero no debe llenar el campo 'Ingresos del Conyuge'."
        alert(msg)
        status = false
    }

    return status
}


function checkLoanType(pfield) {
    var field = returnRadioValue(pfield)
    var msg
    var status = true

    if (field == "Home") {
		 document.getElementById('qualify').IntRate.value = "8.16"
		ACF=10 // Account Keeping Fee
		fixedInterestRate = false    //sets the intrest rate text box to a free form box
        status = false
    }

    if (field == "Personal") {
         document.getElementById('qualify').IntRate.value = "12.95"
		ACF=0 // Account Keeping Fee
		fixedInterestRate = false  //sets the intrest rate text box to a free form box
        status = false
    }

    return status
}


function checkIfFixInterestRateApplies() {
	if (fixedInterestRate == true) {  // remove focus
		 document.getElementById('qualify').TermYear.focus();
	}
}


function checkNumb(pnumb, pname) {
    var numb = pnumb.value
    var message
    var indx
    var status = false

    if (numb.length == 0) {
        status = true
    }

    for (var indx = 0; indx < numb.length; indx++) {  /* the field should contain at least one digit */
        if (numb.charAt(indx)>= "0" && numb.charAt(indx) <= "9") {
            status = true
        }
    }

    for (var indx = 0; indx < numb.length; indx++) {
        if (!((numb.charAt(indx)>= "0" && numb.charAt(indx) <= "9") ||
             numb.charAt(indx) == " " ||
             numb.charAt(indx) == "." ||
             numb.charAt(indx) == ",")) {
            status = false
        }
    }

    if (!status) {
        msg = "El Campo '" + pname + "' debe ser numerico."
        alert(msg)
    }
    return status
}

function parseNumb(pnumbstr) {
    var numb = pnumbstr.value
    var indx

    if (numb.length> 0) {
        indx = numb.indexOf(",")
    } else {
        indx = -1
    }
    while (indx != -1) {
        numb = numb.substring(0,indx) + numb.substring(indx*1 + 1,numb.length)
        indx = numb.indexOf(",")
    }

    if (numb.length> 0) {
        indx = numb.indexOf(" ")
    } else {
        indx = -1
    }
    while (indx != -1) {
        numb = numb.substring(0,indx) + numb.substring(indx*1 + 1,numb.length)
        indx = numb.indexOf(" ")
    }
    if (numb == "") {
        numb = 0
    }
    return numb
}

function parseMonth(pyear, pmonth) {
    var year  = parseNumb(pyear)
    var month = parseNumb(pmonth)
    var period
    var indx

    period = Math.ceil(month*1 + year*12)

    return period
}

function ParseDollar(pNumber) {
    var money = ""
    var numb = Math.round(pNumber)
    var indx1
    var indx2 = 0

    numb = "" + numb
    indx1 = numb.length - 1

    while (indx1> -1) {
        indx2 += 1
        if (indx2 == 4) {
            money = "," + money
            indx2 = 1
        }
        money = numb.substring(indx1,indx1*1 + 1) + money
        indx1 -= 1
    }

    money = "$ " + money

    return money
}

function checkIncOne(pInc) {
    var Inc = pInc
    var status = false

    if (checkEnter(Inc,"Ingreso Principal")) {
        status = checkNumb(Inc,"First Income")
    }

    return status
}


function checkIntRate(pIntRate) {
    var IntRate = pIntRate
    var status  = true

    if (checkEnter(IntRate,"Tasa de Interes")) {
        if (checkNumb(IntRate,"Tasa de Interes")) {
            if (IntRate.value == 0) {
                alert("La tasa de Interes no debe ser cero (0).")
                status = false
            }
        } else {
            status = false
        }
    } else {
        status = false
    }

    return status
}

function checkTermY(pYear) {
    var TermYear = pYear
    var status   = true

    if (checkEnter(TermYear,"Años")) {
        if (checkNumb(TermYear,"Year Period")) {
            if (TermYear.value> 40) {
                alert("El plazo de pago del préstamo no puede exceder los 40 años.")
                status = false
            }
        } else {
            status = false
        }
    } else {
        status = false
    }

    return status
}

function checkTermM(pYear, pMonth) {
    var TermYear  = pYear
    var TermMonth = pMonth
    var status    = true
    var ValMonth  = pMonth.value

    if (ValMonth.length != 0) {
        if (checkNumb(TermMonth,"Meses")) {
           if (TermMonth.value> 0 && TermYear.value> 29) {
                alert("El plazo de pago del préstamo no puede exceder los 40 años.")
                status = false
            }
            if (TermMonth.value> 11) {
                alert("Utilizar por favor el campo 'años' para incorporar un período más allá de 11 meses.")
                status = false
            }
        } else {
            status = false
        }
    }

    return status
}

var ACF = 10 //Account Keeping Fee
var fixedInterestRate = true //default interest rate type

function CalQualAmt() {
    var IncOne
    var IncTwo
    var OthInc
    var RentInc
    var TotInc

    var HomeLoan
    var OthLoan
    var CardLim
    var NumbDep
	var AmtDep
    var OthExp
    var TotExp

    var IntRate
    var MonthTerm
    var RepayAmt
    var QualAmt

    if (checkIncOne( document.getElementById('qualify').IncOne) &&
	  checkNumb( document.getElementById('qualify').IncTwo,"Ingresos del Conyuge") &&
	  checkNumb( document.getElementById('qualify').OthInc,"Otros Ingresos") &&
	  checkNumb( document.getElementById('qualify').RentInc,"Rentas e Inversiones") &&
	  checkNumberofApplicants( document.getElementById('qualify').Applicants, "No. of Applicants") &&
	  checkNumb( document.getElementById('qualify').HomeLoan,"Servicios Basicos") &&
	  checkNumb( document.getElementById('qualify').OthLoan,"Prestamos Bancarios") &&
	  checkNumb( document.getElementById('qualify').CardLim,"Tarjetas de Credito") &&
	  checkNumb( document.getElementById('qualify').NumbDep,"Cargas Familiares") &&
	  checkIntRate( document.getElementById('qualify').IntRate) &&
      checkTermY( document.getElementById('qualify').TermYear) &&
      checkTermM( document.getElementById('qualify').TermYear, document.getElementById('qualify').TermMonth)) {
        IncOne  = (parseNumb( document.getElementById('qualify').IncOne)/12)* document.getElementById('qualify').income1.options[ document.getElementById('qualify').income1.selectedIndex].value;
        IncTwo =  (parseNumb( document.getElementById('qualify').IncTwo)/12)* document.getElementById('qualify').income2.options[ document.getElementById('qualify').income2.selectedIndex].value;
        OthInc =  (parseNumb( document.getElementById('qualify').OthInc)/12)* document.getElementById('qualify').incomeother.options[ document.getElementById('qualify').incomeother.selectedIndex].value;
        RentInc = (parseNumb( document.getElementById('qualify').RentInc)/12)* document.getElementById('qualify').incomerental.options[ document.getElementById('qualify').incomerental.selectedIndex].value;
        HomeLoan = parseNumb( document.getElementById('qualify').HomeLoan);
        OthLoan = parseNumb( document.getElementById('qualify').OthLoan);
        CardLim = parseNumb( document.getElementById('qualify').CardLim);
        NumbDep = parseNumb( document.getElementById('qualify').NumbDep);

        IntRate = parseNumb( document.getElementById('qualify').IntRate)/1200
        MonthTerm = parseMonth( document.getElementById('qualify').TermYear, document.getElementById('qualify').TermMonth)

		// if SINGLE app, make sure only one income box is filled in.
		if ((returnRadioValue( document.getElementById('qualify').Applicants)==1) && (IncTwo> 0)) {
			IncTwo = 0;
			 document.getElementById('qualify').IncTwo.value = 0;
			alert ("Usted es soltero, y ha incorporado un valor para 'Ingreso del Conyuge'.Este valor ahora se ha reajustado a $0. Si usted necesita ingresar datos en este campo, Seleccione la opcion 'Casado(a)' en 'Estado Civil' ");
		}

        TotInc = IncOne + IncTwo + OthInc

		OthExp = TotInc * 0.35;

		if (OthExp < 1000 && returnRadioValue( document.getElementById('qualify').Applicants)==1) { //IncTwo == 0)
			OthExp = 1000;
		} else if (OthExp < 1300 && returnRadioValue( document.getElementById('qualify').Applicants)==2) {
			OthExp = 1300;
		} else if (OthExp> 2000 && returnRadioValue( document.getElementById('qualify').Applicants)==1) {
			OthExp = 2000;
		} else if (OthExp> 2600 && returnRadioValue( document.getElementById('qualify').Applicants)==2) {
			OthExp = 2600;
		}

		if (NumbDep> 0)
			AmtDep = 175 + (NumbDep - 1) * 125;
		else
			AmtDep = 0;

		TotExp = AmtDep*1 + HomeLoan*1 + OthLoan*1 + (CardLim * 0.03) + OthExp*1;

		RepayAmt = TotInc + (RentInc * 0.7) - TotExp

		// no ACF on personal loans
		LoanAmt = (RepayAmt - ACF) * (1 - Math.pow((1 + IntRate*1),-MonthTerm))/IntRate

		if (LoanAmt> 0) {
             document.getElementById('qualify').LoanAmt.value = ParseDollar(Math.round(LoanAmt))
			return true;
        } else {
			 document.getElementById('qualify').LoanAmt.value = "$ 0"
			return true;
		}
    } else {
		 document.getElementById('qualify').LoanAmt.value = " "
		return false;
    }
}

function Init_Page() {
	 document.getElementById('qualify').IncOne.focus();
	 document.getElementById('qualify').IncOne.select();
}

// Calculate loan, open new window, submit form.
function PopUpPrint () {
	CalcRepay();
	inputstring = "repayment_calc_displaycertificate_frame.asp"
	inputstring = inputstring + "?LoanAmt1=" +  document.getElementById('repay').LoanAmt1.value
	inputstring = inputstring + "&IntRate1=" +  document.getElementById('repay').IntRate1.value
	inputstring = inputstring + "&TermYear1=" +  document.getElementById('repay').TermYear1.value
	inputstring = inputstring + "&TermMonth1=" +  document.getElementById('repay').TermMonth1.value
	inputstring = inputstring + "&RepayAmt1=" +  document.getElementById('repay').RepayAmt1.value
	window.open(inputstring,'certificate','width=640,height=600,scrollbars=yes,resizable=yes,screenX=0,screenY=0,left=0,top=0')
}

function checkEnter(pfield, pname) {
	var field = pfield.value
	var msg
	var status = true

	if (field.length == 0) {
		msg = "El campo " + pname + " debe ser ingresado."
		alert(msg)
		status = false
	}

	return status
}

function checkNumb(pnumb, pname) {
	var numb = pnumb.value
	var message
	var indx
	var status = false

	for (var indx = 0; indx < numb.length; indx++) { /* the field should contain at least one digit */
		if (numb.charAt(indx)>= "0" && numb.charAt(indx) <= "9") {
			status = true
		}
	}
	for (var indx = 0; indx < numb.length; indx++) {
		if (!((numb.charAt(indx)>= "0" && numb.charAt(indx) <= "9") ||
		  numb.charAt(indx) == " " ||
		  numb.charAt(indx) == "." ||
		  numb.charAt(indx) == ",")) {
			status = false
		}
	}
	if (!status) {
		msg = "El campo " + pname + " debe contener numeros."
		alert(msg)
	}

	return status
}

function parseNumb(pnumbstr) {
	var numb = pnumbstr.value
	var indx

	indx = numb.indexOf(",")
	while (indx != -1) {
		numb = numb.substring(0,indx) + numb.substring(indx*1 + 1,numb.length)
		indx = numb.indexOf(",")
	}

	indx = numb.indexOf(" ")
	while (indx != -1) {
		numb = numb.substring(0,indx) + numb.substring(indx*1 + 1,numb.length)
		indx = numb.indexOf(" ")
	}

	return numb
}

function parseMonth(pyear, pmonth) {
	var year  = parseNumb(pyear)
	var month = parseNumb(pmonth)
	var period
	var indx

	period = Math.ceil(month*1 + year*12)

	return period
}

function checkLoan(pLoan) {
	var LoanAmt = pLoan
	var status

	if (checkEnter(LoanAmt,"Loan Amount")) {
		status = checkNumb(LoanAmt,"Loan Amount")
	}

	return status
}

function checkRepay(pRepay) {
	var RepayAmt = pRepay
	var status   = true

	if (checkEnter(RepayAmt,"Repay Amount")) {
		if (checkNumb(RepayAmt,"Repay Amount")) {
			if (RepayAmt.value == 0) {
				alert("El valor de la Mensualidad no debe ser cero (0).")
				status = false
			}
		} else {
			status = false
		}
	} else {
		status = false
	}

	return status
}

function checkIntRate(pIntRate) {
	var IntRate = pIntRate
	var status  = true

	if (checkEnter(IntRate,"Tasa de Interes")) {
		if (checkNumb(IntRate,"Tasa de Interes")) {
			if (IntRate.value == 0) {
				alert("La tasa de interés no debe ser cero (0).")
				status = false
			}
		} else {
			status = false
		}
	} else {
		status = false
	}

	return status
}

function checkTermY(pYear) {
	var TermYear = pYear
	var status   = true

	if (checkEnter(TermYear,"Años")) {
		if (checkNumb(TermYear,"Year Period")) {
			if (TermYear.value> 40) {
				alert("La cantidad de años no puede ser mas allá de 40.")
				status = false
			}
		} else {
			status = false
		}
	} else {
		status = false
	}

	return status
}

function checkTermM(pMonth) {
	var TermMonth = pMonth
	var status    = true

	if (checkEnter(TermMonth,"Meses")) {
		if (checkNumb(TermMonth,"Month Period")) {
			//if (TermMonth.value> 11) {
				//alert("Please use the Year field to enter a period longer than 11 months.")
				//status = false
			//}
		} else {
			status = false
		}
	} else {
		status = false
	}

	return status
}

function CalcRepayAmt(pLoanAmt, pIntRate, pTerm) {
	var RepayAmt

	RepayAmt = pLoanAmt * pIntRate/(1 - Math.pow((1 + pIntRate*1),-pTerm))
	RepayAmt = Math.ceil(RepayAmt)

	return RepayAmt
}

/////////////////////////////////////////////////////////
function CalcRepay() {
	var LoanAmount
	var InterestRate
	var MonthTerm

	if (checkLoan( document.getElementById('repay').LoanAmt1) &&
	  checkIntRate( document.getElementById('repay').IntRate1) &&
	  checkTermY( document.getElementById('repay').TermYear1) &&
	  checkTermM( document.getElementById('repay').TermMonth1)) {
		LoanAmount   = parseNumb( document.getElementById('repay').LoanAmt1)
		InterestRate = parseNumb( document.getElementById('repay').IntRate1)/1200
		MonthTerm    = parseMonth( document.getElementById('repay').TermYear1, document.getElementById('repay').TermMonth1)

		 document.getElementById('repay').RepayAmt1.value = CalcRepayAmt(LoanAmount, InterestRate, MonthTerm)
	} else {
		 document.getElementById('repay').RepayAmt1.value = " "
	}
}
/////////////////////////////////////////////////////
function CalcTerm() {
	/* Calculate the Repaid Period */

	var MonthTerm    = 0
	var YearTerm     = 0
	var MaxTerm      = 40 * 12     /* 40 years */
	var LoanAmount
	var RepayAmount
	var InterestRate
	var RepayFreq
	var MinRepay

	if (checkLoan( document.getElementById('repay').LoanAmt2) &&
	  checkRepay( document.getElementById('repay').RepayAmt2) &&
	  checkIntRate( document.getElementById('repay').IntRate2)) {
		LoanAmount   = parseNumb( document.getElementById('repay').LoanAmt2)
		RepayAmount  = parseNumb( document.getElementById('repay').RepayAmt2)
		InterestRate = parseNumb( document.getElementById('repay').IntRate2)/1200
		MinRepay     = CalcRepayAmt(LoanAmount, InterestRate, MaxTerm)
		RepayFreq = document.getElementById('repay').RepayFreq.options[document.getElementById('repay').RepayFreq.selectedIndex].value
		RepayAmount = RepayAmount * RepayFreq/12
		if (RepayAmount < MinRepay) {
			Msg = "Lo sentimos, la cuota minima exigida es de $" + MinRepay + " pesos."
			alert(Msg)
			 document.getElementById('repay').TermYear2.value  = " "
			 document.getElementById('repay').TermMonth2.value = " "
		} else {
			MonthTerm = Math.log(RepayAmount/(RepayAmount - LoanAmount * InterestRate)) / Math.log(1 + InterestRate)
			MonthTerm = Math.ceil(MonthTerm)
			YearTerm = Math.floor(MonthTerm / 12)
			MonthTerm = MonthTerm - (YearTerm * 12)

			 document.getElementById('repay').TermYear2.value  = YearTerm
			 document.getElementById('repay').TermMonth2.value = MonthTerm
		}
	} else {
		 document.getElementById('repay').TermYear2.value  = " "
		 document.getElementById('repay').TermMonth2.value = " "
	}
}
/////////////////////////////////////////////////////////
function CalcLoan() {
	var LoanAmt
	var RepayAmount
	var InterestRate
	var MonthTerm

	if (checkRepay( document.getElementById('repay').RepayAmt3) &&
	  checkIntRate( document.getElementById('repay').IntRate3) &&
	  checkTermY( document.getElementById('repay').TermYear3) &&
	  checkTermM( document.getElementById('repay').TermMonth3)) {
		RepayAmount  = parseNumb( document.getElementById('repay').RepayAmt3)
		InterestRate = parseNumb( document.getElementById('repay').IntRate3)/1200
		MonthTerm    = parseMonth( document.getElementById('repay').TermYear3, document.getElementById('repay').TermMonth3)
		LoanAmt = RepayAmount * (1 - Math.pow((1 + InterestRate*1),-MonthTerm))/InterestRate

		 document.getElementById('repay').LoanAmt3.value = Math.floor(LoanAmt)
	} else {
		 document.getElementById('repay').LoanAmt3.value = " "
	}
}