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Calculate function not working in FF or Chrome, fine in IE

I have the following calculate function which is not working in FF or chrome. Works great in IE. Here are the fields that should change but do not update in FF or chrome. Any thoughts would be greatly appreciated. Thank you.

<input type="text" name="a3" id="a3" value="$11.75" align="right" size=7 readonly style="text-align: right; font-weight: bolder;">

<input type="text" name="a4" id="a4" value="$0.89" size="7" readonly style="text-align: right; font-weight: bolder;">

<input type="text" name="total" id="total" value="$12.64" size="7" readonly style="text-align: right; font-weight: bolder;">

<script>
function calculate(f) 
{
var num=parseInt(f.quantity.options[f.quantity.options.selectedIndex].value);
var cost=(7.95+4.95);
var tax=.0825

if(document.getElementById('billState').value != "TX") //replace MY_STATE_DDL_ID with the control ID of your state drop down list
{
   tax = 0;
}

f.a3.value="$"+(((num*cost)).toFixed(2));
var tax2=(((num*cost))*tax);
f.a4.value="$"+tax2.toFixed(2);
f.total.value="$"+((tax2+((num*cost))).toFixed(2));
pieces=f.a3.value.split('.');
pieces[1]=(pieces[1]) ? pieces[1]+'00' : '00';
//f.a3.value=pieces[0]+'.'+(pieces[1]).substr(0,2);
}
</script>

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Jerry Miller

Have you tested it by taking the readonly flag off? If you have to keep it in the textbox properties, you could toggle it in another function.

HainKurt

it is working on my FF

shows

$11.75 $0.89 $12.64

same in IE

Mel Parish

ASKER

Shoot, i removed readonly but it made no difference, ugh. Good idea though.

Mel Parish

ASKER

I should have said when the quantity changes. That's where it works in IE but on in FF or CHrome.

ASKER CERTIFIED SOLUTION

HainKurt

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HainKurt

The sample I posted above also works fine in FF :)

you should post a running sample, we cannot predict what your code and find the issue...

HainKurt

if you aggree on my sample working, then compare that one with your code

look for select elements, do you have value defined? do you have id & name for each element? did you use onChange event handler? do you refer to form correctly?

Mel Parish

ASKER

Yes, thank you very much for your help.