Radio button calculations [was: how can i validate a form so at least one of three text fields...]

sorry trouble folks again client wants radio buttons 3 freight options, got the  radio fields in html, spry validation working fine that's far got

 

<span id="spryradio1"><span id="spryradio2">

         <input type="radio" name="radio_group1" value="10" />radio group 1 - value 1<br />

         <input type="radio" name="radio_group1" value="15" />radio group 1 - value 2<br />

         <input type="radio" name="radio_group1" value="0" />radio group 1 - value 3<br />

         <br />

         <span class="radiorequiredmsg">please make selection.</span></span><br />

       </span>

the php code;

 

switch($_post['radio_group1']) {

        case "10":

            $value = "radio group 1 - value 1 has been selected.";

            break;

        case "15":

            $value = "radio group 1 - value 2 has been selected.";

            break;

        case "0":

            $value = "radio group 1 - value 3 has been selected.";

            break;

        default:

            $value = "no radio has been selected radio group 1";

    }

 

 

the code below calculating total can't work either;

 

$totalcost = ($chardonnay_2011_bottles * 20 + $chardonnay_2011_cases * 204) + ($pino_gris_2011_bottles * 21 + $pino_gris_2011_cases * 228) + ($sauvigon_blanc_2011_bottles * 20 + $sauvigon_blanc_2011_cases * 204) + ($riesling_2012_bottles * 20 + $riesling_2012_cases * 204) + ($pinot_noir_2009_bottles * 25 + $pinot_noir_2009_cases * 250) + ($radio_group1 * 10 + $radio_group1_15 * 15 + $radio_group1_0 * 0);

 

grateful help.

cheers

this different issue, needs in thread of own.

 

you need give more information. "it doesn't work" meaningless. happens? expect happen?

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