// **************************************************************

// InternetActive Calculators™

// Version 2.0

// Copyright © 1998 - 2000 Desert Cactus Software Corporation

// **************************************************************



// Help window.



function help(form) {



	window.open("frmchelp.html","newWindow","toolbar=yes,location=0,directories=yes,status=no,menubar=1,scrollbars=yes,resizable=0,copyhistory=1,width=400,height=300,top=100,left=100");



}



// **************************************************************



// Verification function for loan amount.



function checkLA(form) {



	function checkNumber(input, msg) {



		var M = form.LoanAmount.value;



			for (var I = 0; I < M.length; I++) {

				var J = M.substring(I, I + 1);

				if ((J < "0" || J > "9") && J != "." && J != "") {

				alert(msg);

				return false;

			}

		}



	return true;



	}



	var M = form.LoanAmount.value;



	if (M != "") {

		if ((M < 0) || (M > 1000000000)) {

			alert("Please enter a numeric value between 0 and 1 billion (a 1 followed by nine zeroes).");

			form.LoanAmount.focus();

			form.LoanAmount.select();

		}

	}



	if (!checkNumber(M, "Please enter a valid numeric expression.")) {

		form.LoanAmount.focus();

		form.LoanAmount.select();

		return;

	}

}



// **************************************************************



// Verification function for interest rate.



function checkIR(form) {



	function checkNumber(input, msg) {



		var M = form.InterestRate.value;



			for (var I = 0; I < M.length; I++) {

				var J = M.substring(I, I + 1);

				if ((J < "0" || J > "9") && J != "." && J != "") {

				alert(msg);

				return false;

			}

		}



	return true;



	}



	var M = form.InterestRate.value;



	if (M != "") {

		if ((M < 0) || (M > 40)) {

			alert("Please enter a numeric value between 0 and 40.");

			form.InterestRate.focus();

			form.InterestRate.select();

		}

	}



	if (!checkNumber(M, "Please enter a valid numeric expression.")) {

		form.InterestRate.focus();

		form.InterestRate.select();

		return;

	}

}



// **************************************************************



// Verification function for number of months.



var DCS = 0



function checkM(form) {



	function checkNumber(input, msg) {



		var M = form.NumberOfMonths.value;



			for (var I = 0; I < M.length; I++) {

				var J = M.substring(I, I + 1);

				if ((J < "0" || J > "9") && J != "." && J != "") {

				alert(msg);

				return false;

			}

		}



	return true;



	}



	var M = form.NumberOfMonths.value;



	if (M != "") {

		if ((M < 0) || (M > 600)) {

			alert("Please enter a numeric value between 0 and 600.");

			form.NumberOfMonths.focus();

			form.NumberOfMonths.select();

		}

	}



	if (!checkNumber(M, "Please enter a valid numeric expression.")) {

		form.NumberOfMonths.focus();

		form.NumberOfMonths.select();

		return;

	}	

}



// **************************************************************



// Verification function for additional principal.



DCS = "Copyright &copy; 1998 - 2000 Desert Cactus Software Corporation."



function checkAP(form) {



	function checkNumber(input, msg) {



		var M = form.AdditionalPrincipal.value;



			for (var I = 0; I < M.length; I++) {

				var J = M.substring(I, I + 1);

				if ((J < "0" || J > "9") && J != "." && J != "") {

				alert(msg);

				return false;

			}

		}



	return true;



	}



	var M = form.AdditionalPrincipal.value;



	if (M != "") {

		if ((M < 0) || (M > 1000000000)) {

			alert("Please enter a numeric value between 0 and 1 billion (a 1 followed by nine zeroes).");

			form.AdditionalPrincipal.focus();

			form.AdditionalPrincipal.select();

		}

	}



	if (!checkNumber(M, "Please enter a valid numeric expression.")) {

		form.AdditionalPrincipal.focus();

		form.AdditionalPrincipal.select();

		return;

	}	

}



// **************************************************************