radio buttons are an array in javascript. you'll need to loop over
the radio button array and check to see if one is checked or not.
function checkform(form) {
var checked = 0;
for (var i=0; i<form.sitetype.length; i++) {
if (form.sitetype[i].checked == true) {
checked++;
break;
}
}
if (checked == 0) {
alert("you did not check a radio button");
return false;
}
return true;
}
On 4/28/06, Orlini, Robert <[EMAIL PROTECTED]> wrote:
> Hello,
>
> I have a field named "sitetype" which is a group name setup as a radio button.
>
> The script below does not seem to recognize it since it does not generate the
> alert when the radio button is not selected. All the cases are correct for
> the name. Is there something missing in the JavaScript below or is a radio
> button group field name different?
>
> The "onsubmit="return checkform(this);" section is in the <form> parameter.
>
> Thanks.
>
> RO
> HWW
>
> <script language="JavaScript" type="text/javascript">
> <!--
> function checkform ( form )
> {
> // ** START **
> if (form.sitetype.value == "") {
> alert( "Please enter a site type." );
> form.sitetype.focus();
> return false ;
> }
> // ** END **
>
> return true ;
> }
> //-->
> </script>
>
>
>
>
>
>
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