How to differentiate between Radio Buttons with the same name?

Question

My form has two fields, to which I gave the same name ("Radio Button 1.0") in order to achieve mutual exclusivity.
Now, I would like to use JavaScript to retrieve the value of one the two fields:
var checkMark = this.getField("Radio Button1.0");
if (checkMark.value == "Yes") {
Questions:
What is the proper way to inspect the value of a Radio Button? I have tried this:
if (checkMark.value == "No") [...]
but it doesn't seem to work.
How can I tell apart 2 radio buttons with the same name?
TIA,
-RFH

Answer 1

When Radio Buttons and Check Boxes are unchecked their value is "Off", so if you have "Yes", "No" buttons you will also encounter an 'Off" value. Now if you want to look at a given button, you will have to use the "isBoxChecked(nWidget)" method.
nWidget:
The 0-based index of an individual radiobutton or checkbox widget for this field. The index is determined by the order in which the individual widgets of this field were created (and is unaffected by tab-order).
Every entry in the Fields panel has a suffix giving this index, for example MyField #0.
Returns
true if the specified widget is currently checked, false otherwise.
Example
var f = this.getField("ChkBox");
if(f.isBoxChecked(0))
app.alert("The Box is Checked");
else
app.alert("The Box is not Checked");