function getSelectedValue(formid, qid) {
    var radioGrp = document.forms[formid].elements['tx_mct_pi1[answers]['+qid+']'];
    for(i=0; i < radioGrp.length; i++){
        if (radioGrp[i].checked == true) {
            return radioGrp[i].value;
        }
    }
    return radioGrp.value;
}

function disableAll(formid, qid) {

    var radioGrp = document.forms[formid].elements['tx_mct_pi1[answers]['+qid+']'];
    for(i=0; i < radioGrp.length; i++){
        radioGrp[i].disabled=true; 
    }
    radioGrp.disabled=true;
}

function enableAll(formid, qid) {
    var radioGrp = document.forms[formid].elements['tx_mct_pi1[answers]['+qid+']'];
    for(i=0; i < radioGrp.length; i++){
        radioGrp[i].disabled=false; 
    }
    radioGrp.disabled=false;
}