It seems it didn't copy one of the necessary functions to the header.
If you open and reapply one of the behaviors in the form onSubmit event it would probably correct the error, or you can add the function to the header manually:
function WAFV_GetValueFromInputType(formElement,inputType,trimWhite) {
var value="";
if (inputType == "select") {
if (formElement.selectedIndex != -1 && formElement.options[formElement.selectedIndex].value && formElement.options[formElement.selectedIndex].value != "") {
value = formElement.options[formElement.selectedIndex].value;
}
}
else if (inputType == "checkbox") {
if (formElement.length) {
for (var x=0; x<formElement.length ; x++) {
if (formElement[x].checked && formElement[x].value!="") {
value = formElement[x].value;
break;
}
}
}
else if (formElement.checked)
value = formElement.value;
}
else if (inputType == "radio") {
if (formElement.length) {
for (var x=0; x<formElement.length; x++) {
if (formElement[x].checked && formElement[x].value!="") {
value = formElement[x].value;
break;
}
}
}
else if (formElement.checked)
value = formElement.value;
}
else if (inputType == "radiogroup") {
for (var x=0; x<formElement.length; x++) {
if (formElement[x].checked && formElement[x].value!="") {
value = formElement[x].value;
break;
}
}
}
else if (inputType == "iRite") {
var theEditor = FCKeditorAPI.GetInstance(formElement.name) ;
value = theEditor.GetXHTML(true);
}
else {
var value = formElement.value;
value=value.replace(/<p>(\&\#160\;)*<\/p>/,"");
}
if (trimWhite) {
value = WAtrimIt(value);
}
return value;
}