Jim-
The lines
var price = "" + parseFloat(Base_price);
AND
price = "" + parseFloat(Option_price);
look suspect to me; adding a string to a floating point number may create a
NaN situation.
Dave
<SCRIPT Language="JavaScript">
calculateSubtotal();
function calculateSubtotal()
{
var Base_price = document.frmBTO.baseprice.value;
var price = "" + parseFloat(Base_price);
var subtotal = 1 * price;
for (i = 0 ; i < document.frmBTO.elements.length ; i++) {
if (document.frmBTO.elements[i].name.substring(0,8) == "ctrlBTO_") {
Option_index = document.frmBTO.elements[i].selectedIndex;
Option_price = document.frmBTO.elements[i].options[Option_index].price;
price = "" + parseFloat(Option_price);
subtotal += 1 * price;
// subtotal += quantity * price;
}
}
// convert subtotal to a string
var subtotaltext = subtotal + "";
var decimalstart = subtotaltext.indexOf(".");
if (decimalstart > 0) {
subtotaltext = subtotaltext.substring(0,decimalstart+3);
}
if (decimalstart < 1) {
subtotaltext = subtotaltext + ".00";
}
if (subtotaltext.substring(decimalstart+1).length < 2) {
subtotaltext = subtotaltext + "0";
}
document.frmBTO.subtotal.value = subtotaltext;
//document.getElementById("lblPrice").innerText = subtotaltext;
//alert(document.getElementById("lblPrice").innerText);
}
</SCRIPT>
©2006 Dave Bernard |
