//*******************************************
//DO NOT REMOVE THIS COPYWRITE INFO!
//Single Deposit Savings Calculator
//1998 Daniel C. Peterson ALL RIGHTS RESERVED
//Created: 08/21/1998
//Last Modified: 07/11/2002
//This script may not be copied, edited, distributed or reproduced
//without express written permission from
//Daniel C. Peterson of Web Winder Website Services
//For commercial use rates, contact:
//Dan Peterson:
//Web Winder Website Services
//P.O. Box 11
//Bemidji, MN  56619
//dan@webwinder.com
//http://www.webwinder.com
//Commercial User Licence #:4519-1056-55-1019
//Commercial Licence Date:2007-04-09
//*******************************************



function stripNum(num) {

var iPercent
var iDollar
var iSpace
var iComma
var numLength = num.length

//lalalla Line #114

if(numLength > 0) {

   num=num.toString();

   iPercent = num.indexOf("%");
   if(iPercent >= 0) {
      num=num.substring(0,iPercent) + "" + num.substring(iPercent + 1,numLength);
      numLength=num.length;
      }
   iDollar = num.indexOf("$");
   if(iDollar >= 0) {
      num=num.substring(0,iDollar) + "" + num.substring(iDollar + 1,numLength);
      numLength=num.length;
      }
   iSpace = num.indexOf(" ");
   if(iSpace >= 0) {
      num=num.substring(0,iSpace) + "" + num.substring(iSpace + 1,numLength);
      numLength=num.length;
      }
   iComma = num.indexOf(",");
   if(iComma >= 0) {
      while(iComma >=1) {
         num=num.substring(0,iComma) + "" + num.substring(iComma + 1,numLength);
         numLength=num.length;
         iComma = num.indexOf(",");
      }
      }

      num = eval(num);


} else {

num = 0;

}

return num;

}




function formatNumber(num) {

var isNeg=0;

    if(num < 0) {
       num=num*-1;
       isNeg=1;
    }

    
	onum=Math.round(num*100)/100;
		
	integer=Math.floor(onum);

	if (Math.ceil(onum) == integer) {
		decimal="00";
	} else{
		decimal=Math.round((onum-integer)*100)
	}
	decimal=decimal.toString();
	if (decimal.length<2) decimal="0"+decimal;

	integer=integer.toString();
	var tmpnum="";
	var tmpinteger="";
	var y=0;

	for (x=integer.length;x>0;x--) {
		tmpnum=tmpnum+integer.charAt(x-1);
		y=y+1;
		if (y==3 & x>1) {
			tmpnum=tmpnum+",";
			y=0;
		}
	}

	for (x=tmpnum.length;x>0;x--) {
		tmpinteger=tmpinteger+tmpnum.charAt(x-1);
	}
		
	finNum=tmpinteger+"."+decimal;

    if(isNeg == 1) {
       finNum = "-" + finNum;
    }

	return finNum;
}


function computeForm(form)

{

if(form.principal.value == "") {
   alert("Please enter the one-time deposit amount.");
   form.principal.focus();
   } else 
     if(form.interest.value == "") {
       alert("Please enter the annual interest rate.");
       form.interest.focus();
       }
       else
       if(form.payments.value == "") {
           alert("Please enter the number of years.");
           form.payments.focus();
           } else {
  
    var i = stripNum(form.interest.value);

    if (i >= 1.0) {

        i = i / 100.0;

    }

    i /= 12;

   var Vprincipal = stripNum(form.principal.value);
   var pow = Vprincipal;

   var Vpayments = stripNum(form.payments.value);
    
    for (var j = 0; j < Vpayments *12; j++)

        pow = (pow * i) + (pow *1);

    var Vfv = pow;

    form.fv.value = "$" + formatNumber(pow);

    var Vtotalint = eval(Vfv) - eval(Vprincipal);
		
    form.totalint.value = "$" + formatNumber(Vtotalint);

}

}