[Javascript] Radio button and Netscape 6

[Teo Petralia]

Hi to all!
I'm using this function to find out between a set of radio button which
one is selected, it works well in all Netscape Navigator and
comunicator but doesn't work in Netscape 6.

Does anyone knows how to modify it:

function getSelectedButton(buttonGroup){
    for (var i = 0; i < buttonGroup.length; i++) {
       if (buttonGroup[i].checked) {
          return i
       }
    }
    return 0
}

and how to get the value of the selected button??

Thanks
Teo
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