this checks to see whether no checkboxes in a form were checked or not.
<script>
function chkBoxes() {
var someChecked = false;
for (i=0;i < document.myformName.elements.length; i++) {
if (document.myformName.elements[i].type =='checkbox' &&
document.myformName.elements[i].checked) {
someChecked = true;
break;
}
}
if (!someChecked) {
alert('none were checked');
return false
} else {
return true
}
}
</script>
and in your form:
<form name="myformName" method="post" onsubmit="return chkBoxes();">
<input type="checkbox" name="me">
<input type="checkbox" name="you">
<input type="submit">
</form>
> -----Original Message-----
> From: Robertson-Ravo, Neil (REC)
> [mailto:Neil.Robertson-Ravo@;csd.reedexpo.com]
> Sent: 23 October 2002 17:00
> To: '[EMAIL PROTECTED]'
> Subject: RE: [ cf-dev ] Validating Checkboxes
>
>
> LOL... in .js , sozm should've been more specific!
>
> -----Original Message-----
> From: Adrian Lynch [mailto:adrian.l@;thoughtbubble.net]
> Sent: 23 October 2002 16:57
> To: '[EMAIL PROTECTED]'
> Subject: RE: [ cf-dev ] Validating Checkboxes
>
>
> IsDefined() :O)
>
> -----Original Message-----
> From: Robertson-Ravo, Neil (REC)
> [mailto:Neil.Robertson-Ravo@;csd.reedexpo.com]
> Sent: 23 October 2002 16:39
> To: '[EMAIL PROTECTED]'
> Subject: [ cf-dev ] Validating Checkboxes
>
>
> Anyone got a decent checkbox validator - i.e. to check if not
> checkboxes
> have been selected?!
>
>
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