function ciscoSimRadio(doc, currentBox) {
        var allCF = doc.getElementsByName('x_custom_field_value');
        var tempBox;
        var tempBoxId;
        var tempIndex;
 
        var currentBoxId = currentBox.id;
        tempIndex = currentBoxId.indexOf('_');
        currentBoxId = currentBoxId.substr(0,tempIndex);
 
        var tempChecked = currentBox.checked ? false : true;
 
        for (i = 0 ; i < allCF.length; i++) {
                tempBox = allCF[i];
                tempBoxId = tempBox.id;
                tempIndex = tempBoxId.indexOf('_');
                if (tempIndex > 0) {
                        tempBoxId = tempBoxId.substr(0,tempIndex);
                        if ((tempBoxId == currentBoxId) && (tempBox != currentBox))
                                tempBox.checked = tempChecked;
                }
        }
}