|
<html>
<head>
<title>Prices Demo</title>
<script language="javascript">
function calculation() {
var number= document.prices.quantity.value;
total = "" + Math.round((number*12.95)*100)/100;
if (total.indexOf(".") == -1)
total += ".00";
else if (total.indexOf(".") == total.length-2)
total += "0";
document.prices.subtotal.value = total += "$";
}
</script>
</head>
<body>
<form name="prices">
<select name="quantity" onClick="calculation()">
<option value="0">0</option>
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
<option value="4">4</option>
<option value="5">5</option>
<option value="6">6</option>
<option value="7">7</option>
<option value="8">8</option>
<option value="9">9</option>
<option value="10">10</option>
</select>
<br>
<input type="text" name="subtotal" value="0.00$">
</form>
</body>
</html>
|