1. Copy and paste the following between your HEAD tags:-

    
<script language="javascript">
function GetResults()
{reserve=ReserveFund.futurefund.value;
yrs=ReserveFund.period.value;
interest1=(ReserveFund.returns.value);
interest=interest1/100;

if (reserve==""){alert ("Please input required reserve fund,");ReserveFund.futurefund.focus();return false}

if (yrs==""){alert ("Please input years to accumulate the fund");ReserveFund.period.focus();return false}

if (interest==""){alert ("Please input expected interest rate");ReserveFund.returns.focus();return false}

if (ReserveFund.Radio1[0].checked==true)
{numFlows=yrs;
int=interest;
cumDisc=(1-Math.pow(1+int,-numFlows))/int;
PV=reserve*(1/Math.pow(1+int,numFlows));
fund=PV/cumDisc;
fund=Math.round(fund);
funds.innerHTML="Yearly Investment =>> "+Comma(fund)}

if (ReserveFund.Radio1[1].checked==true)
{numFlows=yrs*12;
int=Math.pow(1+interest,1/12)-1;
cumDisc=(1-Math.pow(1+int,-numFlows))/int;
PV=reserve*(1/Math.pow(1+int,numFlows));
fund=PV/cumDisc;
fund=Math.round(fund);
funds.innerHTML="Monthly Investment =>> "+Comma(fund)}

if (ReserveFund.Radio1[2].checked==true)
{numFlows=yrs*4;
int=Math.pow(1+interest,1/4)-1;
cumDisc=(1-Math.pow(1+int,-numFlows))/int;
PV=reserve*(1/Math.pow(1+int,numFlows));
fund=PV/cumDisc;
fund=Math.round(fund);
funds.innerHTML="Quarterly Investment =>> "+Comma(fund)}
}

function RadioCheck(){
if (ReserveFund.Radio1[0].checked==true)
{ReserveFund.GRF.value="Calculate Yearly Investment"}
}

function RadioCheck1(){
if (ReserveFund.Radio1[1].checked==true)
{ReserveFund.GRF.value="Calculate Monthly Investment"}
}

function RadioCheck2(){
if (ReserveFund.Radio1[2].checked==true)
{ReserveFund.GRF.value="Calculate Quarterly Investment"}
}

function select_area()
{ReserveFund.futurefund.select()}

function select_area1()
{ReserveFund.period.select()}

function select_area2()
{ReserveFund.returns.select()}

*********************************
2. Copy and paste the following code between your BODY tags where you want the input displayed:
<div style="position:absolute; left:250; top:200">
<center><table width=90% border=0 bordercolor=#ffff00 cellspacing="0" cellpadding="10"><tr><td>

<h3 align="center">Reserve Fund</h3>
<br>
<tr>
<td colspan="3" align="center" style="color:#ff0000"><<= How much do I need for the future =>>
<tr>
<td colspan="3" align="center"><input type="text" style="text-align:center;color:#0000ff" name="futurefund" size=35 onKeyPress="if ((event.keyCode<46) || (event.keyCode>57)) event.returnValue=false" onClick="select_area()">

<br><br>
<tr>
<td colspan="3" id="periods" align="center" style="color:#ff0000"><<= How many years to invest? =>></td>
<tr>
<td colspan="3" align="center"><input type="text" style="text-align:center;color:#0000ff" name="period" size=35 onKeyPress="if ((event.keyCode<46) || (event.keyCode>57)) event.returnValue=false" onClick="select_area1()">

<br><br>
<tr>
<td colspan="3" id="RoI" align="center" style="color:#ff0000"><<= Rate of interest of investment? =>></td>
<tr>
<td colspan="3" align="center"><input type="text" style="text-align:center;color:#0000ee" name="returns" size=35 onKeyPress="if ((event.keyCode<46) || (event.keyCode>57)) event.returnValue=false" onClick="select_area2()">

<tr>
<td align="center">
<label for="Year"><span style="color:#0000ee">Yearly Rate</span></label>
<input type="radio" name="Radio1" id="Year" onClick="RadioCheck()">
  
<label for="Month"><span style="color:#0000ff">Monthly Rate</span></label>
<input type="radio" name="Radio1" id="Month" onClick="RadioCheck1()">
  
<label for="Quarter"><span style="color:#0000ff">Quarterly Rate</span></label>
<input type="radio" name="Radio1" id="Quarter" onClick="RadioCheck2()">

</form>
</td></tr></table>
<br>

*********************************
Please Note
You can display where ever you like. You change the "left" and "top" values in the opening "div" tag above to whatever values you need. 
a) "top" is the vertical distance of the top left corner of the display starting at zero. The higher the number the lower down the page.
b) "left" is the horizontal distance of the top left corner of the display starting at zero. The higher the number the further across the page.
c) You can change also the color of the display and the background.

If you have any problems or questions please email us at info@datedial.com.

Linking Information:-
TITLE : Reserve Fund
URL : http://www.datedial.com/Reserve_Fund.asp
DESCRIPTION : Calculate reserve fund