I cannot get the following Javascript calculation to work.
Could someone give me an idea of what the problem might be? The
code is below:
<head>
<title>Account Calculator</title>
<SCRIPT LANGUAGE="JavaScript" type="text/javascript">
function calculate(){
var cost = document.calculate.costoftreatment.value;
var inspayment = document.calculate.insurancepayment.value;
var dwnpayment = document.calculate.downpayment.value;
var total = cost + inspayment;
document.calculate.amounttobefinanced.value = total;
}
</script>
</head>
<body>
<table width="43%" border="0" align="center"
bgcolor="#CCCCCC">
<tr>
<td height="45" colspan="2" ><div align="center"
class="style4">
<p>Account Calculator </p>
</div></td>
</tr>
<tr>
<td ><div align="right"><span
class="style3">Cost of Treatment
</span></div></td>
<td >
<form name = "calculate" >
<div align="center"> <input type="text"
NAME="costoftreatment" id="costoftreatment" onKeyPress="if
(event.keyCode != 46 && event.keyCode < 48 ||
event.keyCode > 57 ) event.returnValue = false;"
onChange="calculate();" ></div>
</td>
</tr>
<tr>
<td><div align="right"><span
class="style3">Insurance Estimate</span>
</div></td>
<td >
<div align="center"> <input name="insurancepayment"
type="text" id="insurancepayment" onchange="calculate();"
></div>
</td>
</tr>
<tr>
<td><div align="right"><span
class="style3">Down Payment </span></div></td>
<td><div align="center">
<input name="downpayment" type="text" id="downpayment"
onchange="calculate();" >
</div></td>
</tr>
<tr>
<td><div align="right"><span
class="style3">Amount to be Financed
</span></div></td>
<td><div align="center">
<input name="amounttobefinanced" type="text"
id="amounttobefinanced" onChange="calculate();" >
</div></td>
</tr>
</form>
</table>
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