Multiplying variable by 100

Jon12345 · Jul 26, 2002

I have a form called order.htm. A field called $amount is filled in with the order value, say $97.

However, When someone hits the "Click to Order" button, I need to multiply that value by 100.

This now larger value is sent to my merchant accounts secure server.

How can I do this?

I can do this easy enough without any scripts to just send $97, but the customer will have to enter 9700 instead of 97. I don't want that - it might confuse them!

Thanks,

Jon

crazyboybert · Jul 26, 2002

you can use javascript to submit the form once you have modifed the value. In the form tag add

onsubmit="myFunction()"

and in a script block or external js file add myFunction somehting like this

function myFunction(){
document.formname.elementname.value *= 100;
document.formname.submit();
}

and that will multiply the value in the text fiedl by 100 before submitting

hope this helps

Rob

Jon12345 · Jul 26, 2002

Thanks for your exceedingly quick reply!

I am confused what I substitute for formname etc.

The order page is called orders.htm, the amount field is is called "amount", and after submission it goes to page merchant.html.

Can you clarify me what I substitute?

Also, do you know the rough percentage of surfers who can process javascript?

Thanks,

Jon

harmmeijer · Jul 26, 2002

Jon,

Firs let me say I admire your ways to increase your revenue (if(customerNotSee){$$*100}).

What Rob tried to explane is that your $ field is in a form like so:
<form id=formname>
<input type=text id=elementname>

What you could do is set a hidden value for your $ value and use that value after it is submitted. The person filling out the form does not know that the $ is *100 because he/she cannot see this field.
Here is an example but this example states that the $ has to change (from empty to something or something to something else) before the hidden $ field wil be filled in.

<input type=hidden id=hidPrice>
<input type=text id=txtPrice onchange="document.getElementById('hidPrice').value = this.value*100;">

Jon12345 · Jul 26, 2002

Not sure if I can do this. Would someone here be able to actually do it for me please?

In return, I will give you a complimentary copy of my book at

http://www.instantcomputerconsultant.com

Thanks,

Jon

onpnt · Jul 26, 2002

if I read the initial question right this is all you watn to do right?

<html>
<body>
<form name="form1">
<input type="text" id="txtPrice" value="97" onChange="form1.txtPrice.value = this.value*100;">
</form>
</body>
</html> I help at your own risk, if I brake it sorry! But if I fixed it, let me know. [thumbsup2]

admin@onpntwebdesigns.com

onpnt · Jul 26, 2002

here's a example. not showing the value of the field (price) I wouldn't use the onChange event due to if they do not change the field. onBlur even at that they will have to tab through the bow to perform the calc.

<html>
<body>
<form name="form1" method="get" action="new.htm">
<input type="hidden" name="txtCalc" id="txtCalc" value="">
<input type="text" id="txtPrice" value="97" onBlur="document.form1.txtCalc.value = document.form1.txtPrice.value*100;">
<input type="button" value="submit" onClick="javascript:window.alert(form1.txtCalc.value);">
</form>
</body>
</html> I help at your own risk, if I brake it sorry! But if I fixed it, let me know. [thumbsup2]

admin@onpntwebdesigns.com

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Multiplying variable by 100

Jon12345

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crazyboybert

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Jon12345

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harmmeijer

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Jon12345

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onpnt

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onpnt

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