{include file="site_header.tpl"}
{literal}
<script LANGUAGE="LiveScript">
function Emptyform(form) // очистка формы
{
form.payments.value = form.interest.value = form.principal.value = form.rate.value = form.comment.value = "";
}
function checkNumber(input, min, max, msg)
{
msg = msg + " field has invalid data: " + input.value;
var str = input.value;
for (var i = 0; i < str.length; i++) { var ch = str.substring(i, i + 1)
if ((ch < "0" || "9" < ch) && ch != '.') { alert(msg); return false; } }
var num = 0 + str
if (num < min || max < num) { alert(msg + " not in range [" + min + ".." + max + "]"); return false; } 
input.value = str;
return true;
}
function Calcform(form) // подсчет
{
if ((form.payments.value == null || form.payments.value.length == 0) || (form.interest.value == null || form.interest.value.length == 0) || (form.principal.value == null || form.principal.value.length == 0)) { return; }
if (!RightDig(form.payments, 1, 480, "# of payments") || !RightDig(form.interest, .001, 99, "Interest") || !RightDig(form.principal, 1, 10000000, "Principal")) { form.fv.value = "Invalid"; return; }
var i = form.interest.value;
if (i > 1.0) {i = i / 100.0; form.interest.value = i; }
i /= 12;
var pow = form.principal.value;
for (var j = 0; j < form.payments.value *12; j++) pow = (pow * i) + (pow *1);
form.fv.value = (pow + (form.rate.value - form.principal.value))
form.totalint.value = (form.fv.value - form.rate.value)
form.comment.value = ("If you work one hour and then invest $" + form.principal.value + " of the $" + form.rate.value + " that you earned from it;  into an investment that earns " + 100 * form.interest.value + "% per year;  for a period of " + form.payments.value + " years, you will end up earning $" + parseInt(form.totalint.value + form.rate.value,10) + " for one hour's work!  So it's up to you, do you want to make $" + form.rate.value + " per hour or $" + parseInt(form.totalint.value + form.rate.value,10) + " per hour?")
}
function Calcfield(input)
{
if (input.value != null && input.value.length != 0)
input.value = "" + eval(input.value);
Calcform(input.form);
}
</script>

<form method="POST">
  <table BORDER="4">
    <tr>
      <td><div align="center"><center><p><b>Hourly<br>
      Wage</b> </td>
      <td><div align="center"><center><p><b>$ Portion<br>
      Invested</b> </td>
      <td><div align="center"><center><p><b>Interest<br>
      Rate</b> </td>
      <td><div align="center"><center><p><b># of<br>
      Years</b> </td>
      <td>&nbsp;</td>
      <td><div align="center"><center><p><b>Future<br>
      Value</b> </td>
      <td><div align="center"><center><p><b>Interest<br>
      Earned</b> </td>
    </tr>
    <tr>
      <td><input TYPE="TEXT" NAME="rate" SIZE="9" onChange="Calcfield(this)"></td>
      <td><input TYPE="TEXT" NAME="principal" SIZE="9" onChange="Calcfield(this)"></td>
      <td><input TYPE="TEXT" NAME="interest" SIZE="6" onChange="Calcfield(this)"></td>
      <td><input TYPE="TEXT" NAME="payments" SIZE="5" onChange="Calcfield(this)"></td>
      <td>&nbsp;</td>
      <td><input TYPE="TEXT" NAME="fv" SIZE="9" onChange="Calcfield(this)"></td>
      <td><input TYPE="TEXT" NAME="totalint" SIZE="9" onChange="Calcfield(this)"></td>
      <td><input TYPE="button" VALUE="Compute" onClick="Calcform(this.form)"></td>
      <td><input TYPE="reset" VALUE="Reset" onClick="Emptyform(this.form)"></td>
    </tr>
    <tr>
      <td COLSPAN="7"><textarea COLS="60" ROWS="6" name="comment" wrap="virtual"></textarea> </td>
      <td COLSPAN="2" BGCOLOR="#4C0000"><font SIZE="-1" COLOR="#FFFFFF">You can increase your
      own<br>
      hourly wage in one of four ways:<p>-Increase the portion you invest<br>
      -Increase your rate of return<br>
      -Increase the years invested<br>
      -Or any combination of the latter<br>
      </font></td>
    </tr>
  </table>
</form>

</font>
<br><br>
{/literal}
{include file="site_footer.tpl"}