Hos mig virker det fint =)
<script type="text/javascript">
function validate(frm) {
var bFound = false,
aRadios = frm.elements["contact[]"];
for (var i=0,j=aRadios.length; i<j; i++) {
if (aRadios[i].value==="yes" && aRadios[i].checked) bFound = true;
}
if (!bFound) {
var aTexts = frm.elements["address[]"];
for (var i=0,j=aTexts.length; i<j; i++) {
if (aTexts[i].value!=="") bFound = true;
}
}
if (!bFound) {
alert("Du skal angive minimim én kontaktperson.")
return false;
}
if (frm.firma.value==="") {
alert("Feltet Firma skal udfyldes");
frm.firma.focus();
return false;
}
return true;
}
</script>
<form action="" onsubmit="return validate(this)">
<label>Ja, jeg må kontaktes <input type="radio" name="contact[]" value="yes" checked></label>
<label>Nej, jeg vil ikke kontaktes <input type="radio" name="contact[]" value="no"></label>
<div>
<input name="address[]" type="text">
<input name="address[]" type="text">
<input name="address[]" type="text">
<input name="address[]" type="text">
</div>
<label>Firma: <input name="firma" type="text"></label>
<p><button type="submit">Send</button></p>
</form>
